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TID UNIVERSITY OF I'ÍANITOBA
Comput erized Budgetingof Alternative Crop
Model for the EvaluationProduction Prograus
by
Gary G. Craven
A TT{ESIS
SUBMITTED TO TITE FACULTY OF GRADUATE STUDIES
IN PARTIAL FULFILI,ÍENT OF THE REQUIREMENTS FOR THE DEGREE
OF I4ASTER OF SCIENCE
DEPARTMENT OF AGRICULTURAI. ECONOMICSA}ID FARM MANAGEMENT
I^IINNIPEG, MANITOBA
May,1981
A COMPUTERIZTD BUDGITING MODEL FOR THE EVALUATION
0F ALTERNATIVT CROP PR0DUCTI0N PROGRAI'1S
BY
GARY G. CRAVTN
A rhcsis st¡bnlittccl ro thc lìacLrlty of Graduatc Stuclies of'
tltc [-;rtivcrsity ol' tr4allitoba rn partial firlfillnrcnt of the recllrirenients
ol- tllc dcgree ol
¡1ASTTR OF SCITNCE
O " l98l
Pcr.nrissio¡r has bccn grantccl to the LIBRARY OF THE UNIVER-
SIT\' ()[.] MANITOIIA to lcnd or sell copics of this thcsis, to
the NA^'l'IONAL LIBIìAIIY OF CANADA to microfilnr this
the sis uncl to lcncl or' -ssll copics of the film, and UNIVERSITY
f'/l( Ìì.()lrlLNIS to ¡rublish an abstract of this thesis.
I'hc :rirtlior rescrvcs otlicr prrblicatiort rights, and ueither the
thc:;i:; tror cxtcnsivc cxtracls lrolll it niay be printecl or other-
rvisc t'cproclLrccd r,vithout Llte author's written perniission.
ABSTRACT
One useful tool which has always been available Lo managers r¿ith the
ski11s necessary to enploy it has been Ëhe farn budget. The preparation
of deËailed farm enterprise budgets has required extensive resources of
both information and time. The development of a programmed budget nodel
makes this fonn of analysis available to farmers, and others, who have
previously lacked the skill, training or the tirqe to successfully ernploy
it.
This study reviews the revelant theg,ry used to provide a concept,ual
framework for the decision making process. After considering t,he lini-
tations of various decision naking aids Ehe Èechnique of budget símula-
tion rá7as select,ed to evaluate Ehe effects of alternative croppi.ng prac-
Ëices and various corobinations of inputs.
The enpirical uodel is based on an earlier raodel developed in Ehe De-
partnent, of Agricultural Economics and Farm Management at the University
of Manj.toba for research, to generate budgets depicting the cosËs and
returns of crop producËi.on. These budgets are based on user supplied
physical infomation representing equipraent, land and cultural practic-
€s, and rely on secondary cost data.
The uodel was validated Lhrough the use of a case farm study. The
comparative analysis of the case fara indicated that the nodel is capa-
b1e of generaEing acceptable estiroaËes of enËerprise costs and reËurns
when only physical infornation is available.
-11--
The potenËiaL exists for a wide variety of applications of the rood.el.
The nost extensive applicati.on to daËe has been for research. The sys-
Èem can be used as a deci.sion uaking tool by the farm manager when look-ing at erop production alternatives. Potential applications also exj.st
r¿henever insight ínËo t.he costs and benefits of cropping syste*s is de-
sired. such infornation rnay be of use to educaËional, financiar, and
consultative institutions. The potential also exists for model useage
by government to generate daËa for the administraÈion of existing pro-grams and to assess the fÍnancial irnpact on the farrn firm of legislativeproposals.
- ltr_ -
ACKNOWLEDGEMENTS
I would like t.o Lake this opportunity to express ny appreciation of
several individuals who made this work possible. Thanks are extended to
Dr. Charles Framingham, my advisor, whose encouragenenL, leadership and
advice led to its eompletion. My rhanks are also extended to Dr. Ed
Tyrchniewicz and Prof. Paul Stelnaschuck for their comments and con-
structive criticisns which aided in iËs final preparation.
I would like to thank Mr. Neil Longmuir for his help in untangling
the conputer program, and my co-workers on the study for their assis-
tance in compiling the data necessary for iLs operaËion.
I am grateful to Lhe North Lab Lovelies and Ehe Annex Animals for
their technical assistance and moral support enabling rne Èo nai.ntain roy
sanity.
Finally, I would like to express ny deep appreciaËion t,o ny fanily,
who encouraged uy studies, for t,heir sacrifices in rnany ways which a1-
lowed ne to conLinue uy education.
-1V-
CONTENTS
ABSTRACT
ACKNOI4TLEDcEIfrNTS
Chapter
I. INTRODUCTION
.ii
..iv
page
Historical OverviewSysÈen DynamicsThe Setting
The Problen0bjecÈives
I7
L2L4T4
II. THE PROBLEM IN PERSPECTIVE
tlistorical Developnent .Related Studies
III. TIIEORETICAI CONSIDERATIONS
ConceptualModel.. 30TheoreticalBody.. ..34
Theory of Resource Allocation . 35Static Theory of rhe Firn 35Adaptive Theory of rhe Firn 3g
DecisionTheory.. .4IDecision-naking under certainty . 4IDecisj.on-naking under risk . . 4LDecision-naking under uncertainËy . 42
AdaptiveDecision-Making ".47IV. OPERATIONAL SYSTEMS
Prearnble . .Analytic Approaches .
Differential CalculusLÍnear Programrn-ing .Dynamic Prograrnmi.ng
Synthetic Approaches .Regression Analysis .Systems Sinulation .
Simulat,ion Methodology .Steps . .Fornulatiort of the Model
-v-
L7
T720
5t
5155555659606061626366
v.
Programming . 67Validation and Verification . . 67Experimentation . . 67
Randou Search 68Experimental Design 69LearningMechanisu.. .70Hill Clinbing . 70
THE EMPIRICAL MODEL . 72
The Mathematical StatementApplication
Problem Fornulation .Analysis
SLruct.ure of the model . .Calculations for Machinery . .Other InpuE Cost Calculationsttvalue of Outputtt CalculationsReturn IndicaLors .
7276767878B486898989Detailed cosË/return calculat
Prelininary Calculations10n s
per field operaËionalculationsS.osf .1 and lubrication costs. .air costs.tom charges
Acres per hour . .SwaEhers and inplements .
' Conbines .Trucks, bale wagonsCusËom work.
90909l939497
IO10T2
I41516
Time requiredMachinery Cost C
Vari.able CostLabor c
FueRepCus
Fixed Costs
9B98989B
100r03104105
Input Cost CalculationsVariable costsFixed costsValue of output calculations .
ReËurn indicaEors .Input Dat,a
System ResidenË InfomaËionAnnual Infornation . II7Producer Infornation . 1I9
Farm Machinery Cost Analysis . I2IIndividual Crop Enterprise . . I23Total Farm Summary . . L25
VI. EVALUATION
VII. R-ECOMI,ßNDATIONS AND CONCLUSIONS
Procedural Recommendations 135Conbined Field OperaËions . I35Alternate Faru Income Sources . 136
L7
r27
135
-vL-
Fixed CostExpans ion
Rent.alUnitsMacro-0peraEionsAlphanumeri.cs
Expansion of Output Inforrnation . . I42Operation Tirne 142Return Indicators . 143Cash Flow
S t n-rctural RecommendaËi onsInpuË-OuËput. ControlFile MainEenance and Retrieval
Ileuristic ExpansionResident Fam DescriptionsUser StatisticsReport Generation
Enterprise IntegrationConclusions
Allocation . 137of rnputrr,rorr"iiår,'"::..: 138and Custom Charges 138
139140r40
L45145r45I48148L49r49150150150
t52
page
r57
r67
189
r90
190i91
BIBLIOGRAPIIY
Appendix
A. SYSTEM INFORMATION
B. DEFAULT COST DATA FOR 1979
C. USER,S GUIDE
Fertilizer Description CardChenical Description CardTillage Practíce CardInteractive InputClient InfornationField Infonuation
General Description .Input Description .Tillage Practices . .
Exauple of Interactive Operation . .Assumptions Used t.o Code Crop Enterprises
General Client Infornati.onMachinery InvenËory DescriptionGeneral Production Inf ormaLion
-vii-
Input Data Forrnat GuideClient Header Card . 190Machinery Inventory Description CardLivesÈock }fachinery InfornationTillage Practice Header Card . L92Irrigation Operating CosL Card . . L92Crop infornation CardSeed Inforroation Card
193193194194t94i951961971971971981992r52r52r5217
Crop InformaËionSeed informâtionFert,ilizer Inf ornaËionChero:lcal Inf or¡na tionTillage Practices
218218219220220
237
2402482s5
279
280
PRODUCER QUESTIONNAIRE
Master Machinery ListMaster Land List . .Cropping Practices
E. CASE FARM RESULTS
Default Case Farrn ResultsAdjusted Case Fam Result,s 313
- vl-11- -
TabIe
LIST OF TABLES
Debt Usage Trends in Manlt,oba
List of Machinery InvenÈory
Machinery Cost per Acre Summary
Individual Field Analysis
Total Farn Sumnary .
Total Income and Deficit Comparison
Master luplenent, List
Field Efficiency Equations
T.A.R. Equations . .
EueI Consumption Equations
DepreciaEion EquaËion
Machinery Prices
f 3. Fertilizer pri.ces
Page
1.
a
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
3
120
122
r24
r26
r.30
i58
L62
163
r64
r66
168
175
14.
15.
r.6 .
77.
18.
19.
20.
Che¡nica1 Cos ts
Seed Costs and Rates
Land Taxes .
177
180
Overhead Costs and Land Values
Crop Codes and Output prices
Machinery Inventory Description Card
183
186
187
223
226
229
23L
Custom Operations
2I. Drying Costs per
22. lloisture Content
BusheI
Ranges
-l-x-
LIST OF FIGURES
Figure
1. Bank of Canada prine
2. Ad justed llheaË prices
page
Rate 4
3. The Decision-lfaking process 10
4. Machinery Price EsÈi¡oar,ion . . . Zg
5. Schematic Representation of a Decision problem . 45
6. Murphy's Adaptive Decision proeess . . . 50
7. The Methodology of Siraularion .658. rllustrative Description of steps in Budget Generation . . . gz
9. Elements of the Cost ReporE . . g3
10. Summary of Crop Enterprise Input Costs . . gg
11. Elements of the Return Analysis . 90
12. Typical Farn Machinery Cosrs . I05
13' Rernaining Values for Farn Machinery as a Percentage of New Cost.109
14. I'fonthly Costs
15. Proposed Farn Firm Sinulator
141
L47
-x1 -
Chapter I
INTRODUCTION
1 .1 THN SETT.ING
AgriculËural producÈion in Canada has depend.ed upon Lhe inherenË
ability of producers to utilize available capital and labor to m¡xi.mize
returns. Modern commercial agriculture in Canada is characterized by
rapid and dramatic change. There have been rapid Ëechnological advances
in production teehniques accompanied by an increased substitution ofcapital for labor and subsËantial increases in average farm size. This
has increased the frequency and importance of d.eci.sions which farrners
must make to adjust Ëo these changing condj.tions. Decisions respecting
such adjustments require careful appraisal and may result in changes
which will have a long lasting effecL on the far¡n and the farn fanily.IL is necessary to carefully evaluate the consequences of a1Ëernative
decisions before resotlrces are conmi.tted.
The conplexity of the decision-naking process suggests thatfarmers could benefit naterially from computer-oriented ,nan-agenent tools which have Lhe capacity' and flexibility to ac-commodate their part,icular situations.t
One of the uost productive resources available to farm managers isLhe use of debt financing. Dramatic inc,reases j.n debt use have occurred
in agriculture in Canada and Manitoba over the 1970's as detailed in Ta-
1 u.r. Sonntag, "UsingEconomics, Volume 7,p.3
Comput.ers in the Farm Business", CanadÍ.an FarraNo. 3 August, L972. AgriculÈure C"""¿"1 OttaÍ¡a.
-1-
2
ble 1. Debt outstanding has increased froro $41S rnillion in IgTI to
çL,324 uillion by 1979 in Manitoba. This has uore than doubled since
I975 after re'n¡Íning constant since I97I. Interest paid on this debt
has increased from $29 rnillion annually to $142 nillion annually over
the same period. More importantly, interest. expense has increased frou
20 percent of gross margin in 1971 to 40 percent by 1919. These figures
show the increased use of financial leverage and the increased exposûre
to financial risk. Interest expense is consuming a uuch great.er propor-
tion of net. incone, and also increasing as a proportÍon of farm expen-
ses. This indicates Lhat interest costs are rising at a faster rate
than other farm inputs. out.standing debt has a l-atent and rasting ef-
fect on farm costs. Both recent high leve1s of int.erest. rates and. in-
creased annual volatility of int.erest rat.es, as illustraEed in Figure 1,
further increases the risk of using debt capital.
The increased risks associated with the use of debt capital intensi-
fies the need for the judicious management of working capital. I^Iorking
capital is the najor ueasure of liquidity through which the farm busi-
ness operates. Defined as currenE assets mínus currenË, liabilities,
working capítal management refers to t,he adminisËration or management of
current asseLs and current liabilitíes. tr^/orking eapital managenent in-
cludes the estímation of seasonal inflows of income, the intelligent
Ëining of operaLing expenses, wise investment of surplus cash flow anci
roanagement of Ehe oPerating line of credit. Misnanagement of working
capital wÍll lead to lost investment opporËunities, operating credit
over-runs and possible insolvency. In times of rising operaËing costs,
higher Proportions of operaEing inpuËs fi.nanced by external capital and
Deb
tY
ear
Out
stan
ding
71 l1 l) 74 qE t) 76 77 7B 79
4rB
46t
526
597
595
Bzz
944
1,1O
41
,)24
Far
mE
x¡re
nses
Tab
le 1
Deb
t U
sage
Tre
nds
I¡r
Man
itoba
mill
ion
Sou
rce:
Man
itoba
Yea
rboo
k, 1
978,
Sta
tistic
s C
anad
a, A
gric
ui-t
r.re
Can
ada.
27J
307
164
47o
>>
t64
271
984
496
)
Inte
rest
on
Deb
t
29 J5 4z 51 51 7B 94 115
142
Gro
ssM
argi
-n
Inte
rest
Exp
. as
Per
cent
of
Net
Inco
me
152
166
)71
t1B
)98
290
30)
139
7C.7
19 21 11 16 1J ¿[
11 14 4o
Inte
rest
as
Per
cent
of
Far
m E
xp.
11 11 12 11 10 12 11 14 15
Fiære 1
BarÀ of Canada Prime Rate
BÊ\] K 3=PRIMT BÊTE
CÊI\ÊDÊ
FJ3ct ñJ
c--t--V)t!̂-O
"OLLJ
Fcoz.
1973t 19741 t975t t97
Souree: Barrk of Canada, Ba¡k of Canada Revi-ew, Ottawa, Carrada.
5
high interest rates, the proper manageuent of working capital is criti-
cal to survival.
The recent increased cost of capital has rnade producers acutely av¡are
of i.ts importance in modern crop production. UnfortunaËely, these ris-
ing costs have not been matched by corresponding increases in agrieul-
tural product prices. For example, see Figure 2, the price of wheat.,
while aE Limes quite variable, has made few real gains. Farmers have
met these problems with the application of ever rnore sophisticat,ed and
efficient producti-on systems. Farms have expanded in order to intensify
(or diversify) and to utilize more cosE effectj.ve uachi.nery complónents.
Each of these adjustments has entailed a plethora of ur,ajor decisions by
the farm manager.
Even as farruers have moved to'raore efficienË production practices in
nany cases t,his adjustment process has lagged. The failure to respond
quickly t,o change has resulted in subopEinal crop product,ion efficiency
in lfanitoba. For exauple, one innovation which has slowly been adopted
by sorae farm uanagers in the province has been the practice of conti.nu-
ous cropping.
During the past several years, the unqualified use of frequentfallowing in a crop rotaËion has come under increasing ques-tioning from nany areas within \^resEern Canadian agriculturalindustry. Improvements in herbicides, better cultural prac-tices, and increased useage of fertilizers have left the tra-ditional position of. sumrnerfallow open to questitn i.n t,hoseareas where severe r^rater shortages are not conmon.-
2 O.r. Kraft and P.Graham. DepartuentaÌ paper in progress. The Univer-sity of Mani.toba, Dept. of Agricultural Economi.cs and Fano ltfanagement.February, 1979. p. I
3 J. Darrid Dyck, "The lupacl of Technologieal Change on Farmland Pricesin l,lanitoba.'r Unpublished M.Sc. thesis, The University of Manitoba,Department of Agricultural Economics and Fatm Management, L979.
Figure 2
Âcijusted l¡lheat Prices
IAFI EÊT PBICIS DTFLÊTTDBY FRRM INPUT PRICE INDIX
cfclO3
cfclO
O¡¡o/o¿-t)Ð*F
V)troar-oJO.JcoÐO
cfO
U.a
O{f
O.+-1 qqq
Source: Manitobalnlirrni_peg,
Department of Agricultr.rre,Manitoba.
Manitoba Yearbook,
In a recent study3 a
technologi.cal change
nined Lhat,
7
model was construct,ed Eo deËermj-ne the impact, of
upon farmland prices in Manitoba. The study deter-
If, in 1976 under current prices 10 percent of the total crop-land had been fallowed and recommended fertilizer applicaEionrat.es had been adapted, expected provincial production wguldhave been valued at $916.4 nillion, a 16 percent increase.a
Therefore, the potential exist,s, through the irnprovement of farm uanage-
ment practices for substantial increases in the efficiency of crop pro-
duction in Mani.toba.
L.2 SYSTEM DYNÆ,ÍICS
The decísions faced by the far¡o manager are coraplicaLed by the sto-
chastic and dynamic nature of the environmenE in which he operates.5
the farn firm is to be viewed as an organízational systemwhich changes over time. Frou this it follows Èhat a plan fora farn firm should not be roade with a yiew towards the besËoptimal plan for a given (average) year.o
The detailed long run analysis of a farxn business under 'average' condi-
tions is futile if the variabÍlity present in the system is such that
the chances of t.he survival of the firn as an economic enËity are re-
mot e.
tr{iÈhin the spectrum of decisions which a farm manager is required to
make, some of the most discretly discernable centre around rnajor capital
expend:'.'tures. Ìrrhile the raarketing iuplicaÈ.ions of these decisions mLlst
Ibid., p. 101
J.B. Dent and J.R. Anderson, Systems Analysis in Agricultural I'fanage-ent, Sidney: John l^Iiley, L97I. p. 384
Eisgruber and Lee. "A Systems Approach to Studying the Growth of theFarm Firro", _ÐS!"t" Analysis in Agricultural Management, ed. J.B. Dentand J.R. Anderson. Sidney: John l^iiley, 197i p. 330
4
5
be considered, thelr nost immediate manifestation rnay be dealt with in
Ëerns of their impact on the areas of product.ion and taxation manage-
nenl . The liason beEvreen Ë,hese ET¡/o areas is very special , as the suc-
cess i.n the latter determines the extent to which returns remain avai.la-
ble for the conËi.nuance and growËh of the former. This has been defined
AS
Ehe process through which firms acquire conErol of the servi-ces of addit,ional resources by paying a price less "than theywill earn and thus add to the net \,rorLh of the farm.'
The dynanics of the f arm f irm, as \.rith all enterprises, flows f ron
the interplay of the elements of capital, 1abor, and rnanagenenË. The
potential and extent of labor-capital substlcution has been exÈensivelya
researched." An area that has received consi.derably less attentÍon is
that of the substitution of capital for xoanagement.
UntÍ1 recent times the substitution of capital for management was ef-
fected t,hrough the use of specialized forms of m:nual assistance, i.e.
consultants, whet,her public or private. The existence of rnanageuent re-
lated computer software has created the potential for what can be
thought of as 'rcanned experËiserr. This has made Ehe marketing of man-
ageroent, aids as tangÍ.ble as that of any ot,her conmodity. In .the future
the purchase of managemenË as with any other input. uay play an increas-
Sonntag, op. cit. p. 3
Examples may be found in:
1. Earl 0. Heady, Agricultural Policy Under Econouic Development,Iowa SEate University Press,.Ames 1962. pp- 94-109 and
2. Y. l{ayani and V. RuËtan, "Factor Prices and Technical Change inAgricult,ural Developuent: The United States and Japan,f880-1960", The Journal of Political Economy, Vol.7B, No.5,Sept. /oct. I970.
7
8
9
ing role in farm production.
In the course of designing any decision-naking aid it is necessary to
examine the process of decision-naking itself. Any decision nade by the
farn manager is predj.cated. on certain factors:9
1. Facts concerning his financial situati.on, personal limitations,
and inforuation of existing instit.utional factors.
2. Personal factors which result in preferences and. affect fanilygoal formation.
3. ExpecEaÈions about stochasË,ic factors in the production process
such as weather and about institutional factors such as quoÈas.
These components are not linear or static but interact in a dynamic
process illustrated in Figure 3. The outcome of a previous decision can
affect both the preferences and expectations of the farmer. This in
turn must be conditioned by changes ín eiternal constrainËs such as
credit availabÍlity and government policy. All of these factors define
a set of alternaEives which are evaluated by either fornal or intuitive
means in rhe light of the decision maker's goals and expectat.ions.
This decision-naking process is used to direct the growth of the farm
firm. To assist this function it is necessary to investigate the dynam-
ics of the farm firm growth process. At any juncture the productive ca-
pacity of the farm is a function of its existi.ng capital stock from pre-
vious periods and returns which are available for re-investmenË in
productive activity. IÈ Ís important to note the interdependence of
production and investment decisions. The system is dynamic in that eve-
ry decision is influenced by the results of previous periods. rt is iu-
9 Sonntag 1oc. cit.
10
Figure l
the Decision-Making Process
OUTCOME
RANDOMFAC T ORS(roinfoll,
diseosei nsecls )
Source: Sonntag, 8.H.,Canadian Farm
'rUsJ,ng ComputersEconomics, YoL. J,
in the Farm Bus j-rress, rl
No-. J, August 1972, p.
EXTERNALFORCES
( loon limits,quolos,
gov't. policy )
FARM'S RESOURCEPOStTION
PERSONAL FACTORS(ottitudes, preferences,
know ledge )
FARM FAMILYGOA LS
SPECIFICATION OFALTERNATIVES
E X PECTATIONS( prices, yields )
ANALYS IS ANDEVALUATION
IMPLEMENTATIONOF SELECTED PLAN
II
portant also to consider how current. decisions will affect the options
which remaj.n avaj.lable in subsequent time periods.
The type of sysËeu described is precisely the focus of the science of
cyberneEics " Cybernetics is an interdiciplinary science of communica-
tion and control in anirnate and uechanical syste*".10 In particular,
"cybernetics in concerned with the study of exceedingly complex and dy-ì1
namic systemstt. *'
A basic cybernetic princÍ.ple, the faw of requísite variety,12 then
assures us that the variety (i.e. complexity) of the mechanisra for anal-
ysis xrusË approach the variety of Ëhe system Lo be analysed, if analysis
is to be successful. This means Ëhat the decision system must consider
al-1 relevant factors. Variety in the real world is handled by,an equiv-
alent varieËy in the decision system and cannot be competently handled
by 1ess. This Eeans Ëhat, couplex, high-variety decision problems cannoc
be solved effectively by sinple, low variety ¡oethods.
A study of most conventional techniques shows that they useonly a smal1 segment, of the infonaat,ion spectruu. In oËherwords, Ëhey are essenEially ínformat.ion destroying and varietycompressing prqcpdures and, therefore, their usefulness israther limi t,ed. '"
10*- Jerry Felsen, Decision Making Under Uncertainty: An Artificial In-telligence Approach, CDS Publishing Company, New York. 1976. p. 2L.
l1 _. ..I br_cl .
12 inr.Ro"" Ashby, An Introduct,ionNew York, 1956. p. 206.
13 Fels"ttr op. cit. p.85.
to Cybernetics, John !üi1ey & Sons Inc.,
T2
1,3 HISTORICAL OVERVIEI.T
One useful tool which has always been available to managers with the
skills necessary Ëo enploy it, has been the farm budgeL. The developnent
of prograrnrned budget nodels makes this for¡o of analysis avai.lable to
farmers, and others, who have previously lacked the skill, training, or
the time to successfully enploy it.
The preparation of detailed farm enterprise budgets has required ex-
Ëensive resources of both infonûation and time. In the case of tradi-
tional budget generation the major input requirement, is thaL of detailed
ent.erprise specific financial records.
Fann record keeping in Canada has progressed significant.ly in the
last twenty years in terms of both detail and sophistication. Unfortu-
naË1y this change has not been achieved unifonoly by all farm managers,
as these improveuent,s in farm record keeping have been made with a cor-
responding increase in the time and. effort spenË in such acË,iviÈy. Cur-
rently, this historical progression is reflected at each leveI across
the strata of current farro Eanagers.
The earliest, and currently the ruost rudimentary form of farm records
rías the "shoe boxt'. This approach consisted of stori.ng aIl bills and
receipts for each fiscal year. The objectÍ.ve of this type of record
keeping was to fulfill the requirements of Ehe Income Tax e"t.14 lfhile
such records do meet legal obligarions their usefulness is qui.te re-
stricted for farm nanagement applications.
Government of Canada,Boo Liuit.ed, ToronÈo,
Income Tax Act, H.It. Stikenan, ed., RichardOnËario, 1979. p.725 Sec.230(1).
I4 De
i3
The second leve1 of farm record keeping found on Canadian farms re-
quires a definite allocatj-on of tirne and effort. Records of this type
are kept in one of several types of farm account books. One of the uost
common is the Prairie Provinces Fann Account Book prepared for Lhe farm-
ers of the Canadian Prairies by the l,Iestern Farn ManagemenË Extension
Commit,tee.15 Srr"h records do allow the analysis of the existing business
t,o deteruine the level of technical and econonic efficiency within the
different enterpri.ses on Ëhe farm. These records can be used to provide
information to generate budgets for managenent decisions abouE e*isting
farn enterprises.
The nost sophisticated farm managemenË record keeping in Canada now
i.nvolves the use of computerized sysLeES for both record keeping and
analysis. I{hile these systems do provide the most detailed reports and
analysis functions they also maintain the nost, onerous inpuË require-
Bents
AccuraËe reliable farm enterprise budgets require equally detailed
information frou farm records upon which to base the analysis. This
situaËion is assured by the previously nentioned 1aw of requisite varie-
Ey. Fortunately this detailed inforuation can cone from more than one
source. IË uay be extracted from farm records such as t.hose previously
described. This is possible only if such records do exist and have been
maintained with sufficient diligence and detail. In this situation the
enËerprise itself nust also exisL in soue forn. The other opEion is to
supply detail in general Ë,erus from an outside source. The only re-
15 I,Iestern Farn Management Extensíon Comuittee, Prairie Provinces FarmAccount Book, The Departments of Agriculture of Alberta and Manitoba,and The University of Manitoba. September 1973.
t4
quirement placed upon the individual manager Ëhen is to supply physical
descriptions of existing and proposed enterprises. The requisite varie-
ty is still maintained within the model, but a portion of t,he informa-
Ëion required is shífËed from the individual faru manager to an endoge-
nous data base which can be centrally mej.ntaj.ned and is applicable to
large numbers of farms and farm ent,erprises.
I.4 THE PROBLEM
To the extent t.hat the productive efficiency of farm m¡¡1¿geuent can
be improved, benefits will accrue not only to fanoers, but ultiuately to
the agri-business community and everyone who eat,s. To rhis end our spe-
cific concern is that
At present, no techniqrre is available Iin Manitoba] to quicklyforecast |he results of alt,ernative farro plans or alËernative. Ibde cLs l-ons
1.5 OBJECTIVES
The objectj.ves of this study are addressed to the problens of farnn
production inefficiency and the decisions faced by farrn decision-makers.
A najor agricultural enterprise in western Canada is that of field crop
production. The scope of this study is linited to the considerat,ion of
alternaËives withi.n this enterprise set. In viev¡ of these problerns and
in consideration of Ehe dynamics of the decisj.on process of the farm
Ðanager the objectives of this study are:
l6 Syl.rio Sabourin, "A CompuËerized Sinulation Model forÈernative Cow-Ca1f Plans." Unpublished MSc. thesis,Manitoba,DeparËment'ofAgricu1tura1Economicsand1977. p. 9
Evaluati.ng A1-University of
Farm Management
15
I. To develop a conputerized nodel for the evaluation of alternative
farm developmenE plans and production techniques which can:
a) ¡e used to test a whole series of alterations to the existing
seË of resources and t,hereby provide a basis on which to rnake
feasible and beneficial changes in the organization of Lhe
b)
c)
farn.
províde a tool Ëo alert farroers,
business personnel to the value
for farm business planning.
be used as a Ëoo1 by researchers
returns of producing field crops
to gauge the inpacL of exogenous
structure
extensi.on workers, and agri-
and existence of techniques
to i.nvesti.gate the costs and
in Manitoba and can be used
forces upon that cost-return
consistency of Ë,he resulËs subject
principles, engineering relation-
consistency and correspondence t,o
d) Ue flexible enough to accept, and utilize aJ-L pertinent infor-
maËion about, Lhe farm but is able to supply uissing data and
provide useful and valid results with minimuro input require-
menEs.
e) be used with linited knowledge of computer systems or progran-
uing.
2. EvaluaËe the model by:
a) Verifying the accuracy and
to esËablished accounting
ships, and economic theory.
b) Validating the results for
an actual farn situaËion.
L6
c) DemonsLrat.ing the model's usefulness in an actual farm plan-
ning situation.
The succeeding secÈions will review the relevanl theory used to pro-
vide a conceptual fra¡qework for the rnodel. A critical evaluaËion of a1-
ternative farrn planning and decision rnaking aids and techniques will
provide an operational framework for the developmenË of the enpirical
node1. The model is then described and evaluaËed in light of the stated
objecËives. A series of recommendatiobns are uade to augment, the flexi-
bility and useability of the model and to provide direction for Èhe
course of its future development.
Chapter II
THE PROBLEM IN PERSPECTIVE
2"r IIISTORICAT DEVELOPMENT
The concept of computer assistance for farm m:nagement is not a re-
cent developnent. Since the late 1950's farm ûtanagement specialists in
the United States have been int.erested in the application of computers
for the benefit of f.mers.17
During Ehe '60's, the need to bet.ter nanage Ehe business sideof çþe farm became obvious to farm managemenl leaders in Cana-. r9cla.
This recognition was coupled with the need for comprehensive data
collect,ion for research. The decisi.on was made Lo develop a national
system Ë.hat would provide a consisEent, cenÊralized service all across
Canada. The system was initiated in 1968 to provide record keeping ser-
vices and Tras later extended Lo financi.al planning progr.r".l9 The
CASIIPLAN service provided a met,hod for Lhe projection of infornaLion
frou the previous yeat' s incoue tax forns or from farru records i.nto a
financial plan for the succeeding year. The CASIIFLOI,I FOR-ECASTER provid-
ed an examination of cashflow problens and alternatives. Several other
17
18
A descripËion of several of these applicaËions may beProceedings of the annual IBM Agricultural Synposia.Business Machines Inc. EndicoÈt, Nev¡ York.
John Lawrence, "CAI{FARM - I{orking Together for a BetterAgrologist, Autumn 1978. p. 9
found in theInternational
AgriculËure",
19 CAI{FARM promotional advertising.,,Agrologist Autunn 1978, p. 8
18
prograns \,rere offered to provide aids to decision analysis concerning
buy vs. custon hi.re, uachinery replacemenË, and feed formulation. It is
the use of these planning and projection rnanagement components of the
CANFARIÍ sysLeno, which concerns us here.
A large library of coupuË erízed tools have been developed as a result
of the efforts of the agricultural professionals located at a number of
Land Grant. InstiËutions in the United SËates. This development, effort
was summarízed by Hughes2o "",In each case we have concentrated on the development of useroriented, micro-type, single decision models. This is a re-sult of a consci.ous, initial decision wÍ.th respect to direc-tion, concurred in by our key production specialist colleaguesin the College.
There are currently three major cornputer libraries operat,i.ng in the
United StaËes. They are:
1. TELPLAN which started in Michigan in L969,
2. CMN which started in Virginia in the early 1970's,
3. AGNET which started in Nebraska in L975.
All three of these computer líbraries have a large library of Couputer-
ized Management Aids to which farmers can subscribe.
The TELPLAN21 Systen operated at Michigan State University has been
in operation for 8 years and represents an approach somewhat different
fron that of CANFARM. The TELPLAN System is directly available to users
t,hrough a variety of terrninals inc.luding touch-tone telephones. The in-
2O tt. llughes, Paper presented at 'rCouputer Technology in Agriculture", a
short course, The School of Agriculture, University of Manitoba, trIin-nipeg, Manitoba, 1981.
21 St.ph.n B. Marsh, "A Progress Report on TELPLAN ActiviËiesr', Unpub-lished report. Department of Agricultural Economics, Michigan Stateünivers ity.
19
crease in TELPLAN progran useage for the last few years has been:
1975-13 percenË,, L976-4I percent, and L977-L5 percent.
This compares to an annual net increase in CANFARM use in Manitoba of
approximately l0 percent.22 Much of the recent increase in TELPLAN use
has been frou users in the forn of agri-business firns expanding Eheir
cusËomer service faciliËies. This may herald the developnent, and promo-
tion of viable syst.ens entirely within the private sector.
The Agricult,ural Computer Network (AGNET) r¡/as seË up in 1975 as a pi-
1ot project by the Insti.tuLe of Agriculture and Natural Resources at the
University of Nebraska. Its objective v/as to provide a variety of
users, from university specialist.s Lo farraers, with the ability t,o use
the computer in roaking farm production and management decisiorr".23 In
l4ay 1977, the Governors of Montana, North Dakota, l,Iyoning, South Dakota
and Nebraska approved a granË to forrnally ext,end AGNET into t.hose five
st,ates. The grant r¡ras to provide seed noney Ëo explore and develop
original application of AGNET for farmers, ranchers and consumers. In
1980 the states of tr{ashington and l,Iisconsin joined AGNET as full part-
ners. Today there are over 200 agricultural and consumer related pro-
graus available in Èhe AGNET library. All of these are available
through a computer teruinal or micro computer equipped with an acousti-
cal coupler.
A. Chambers, "CAI'IFARM Should Have BeenSeptenber, 1978. p. 16.
Ilughes, loc. cit., Dr. Ilarlan llughes isate Professor, Division of Agriculturalming.
Dropped Long Agot', Grainews,
AGNET Coordinator and Associ-Economics, University of Wyo-
22
23
20
In additíon to the budgeting models avaj.lable as part of the array of
farm managemenË software offered by the sysLeros described these models
have been developed by a number of insti-tuEions. An early exauple of
this type of nodel is the Oklahorna SËate Universi.ty (OSU) Crop Budget
t1!Generator.-' The OSU model, like those described previously, is capable
of generating budgets based upon a couplete specification of both the
physical and financial description of the enterprise by the user. I,rrhen
the financial and price couponents are absent or incomplete it is not
possible Ëo generate even esËimated budgets using these nodels.
2.2 RELATED STI]DIES
I^Iork more specifically direct,ed toward the development of computer-
ized budgets has been published by t,he Agricultural Economics Research
UniL of Lincoln Co11ege.25 th. examples used are drawn from t,he Nort,h
Island of New Zealand and consist of sheep and dairy farrn development
programs. The C0PE26 system uses a "rolling plan approach" to uncover
bot,tlenecks in the farrn developnent programrnes. The analysis predict,s
overdraft levels and is able to calculate present debt situatÍons from
the ínitial conditions and terms of Ehe nortgage contracts. This COPE
prograo assumes thaË Ehe farmer and adviser have already deternined
their priorities.
R.L. I.Ialker, and D.D. Kletke, gser's Manual Oklahona State UniversityCrop Budget Generator, Oklahorna State University Agrieultural Experi-mental Station, Progress Report P-656, November, L971.
K"T. Sanderson and A. McArLhur. Computer Methods for DevelopmentBudgets. Agricultural Economics Research Unit, Lincoln Co11ege. Uni-versity of Cantebury. Cant.ebury, New Zealand. PublicaLion No.451967 .
Comput,er Overdraft Projection and Evaluation
24
25
26
2I
A recent study using Monte Carlo si.mul-ation vzas developed by Mikea'7
Ilardintt as patt of a regional research project., "An Economic EvaluaËion
of Methods of I'fanaging Risks in Agricultural Productionrt. The model was
designed to relax the limiting assurnption of certain knowledge of prod-
uct prices and yields. In addition to neE present value, the tradition-
a1 measure of investment success, annual net worth, net cash flow, and
probabiliEy of firm financj.al faílure are calculated, providing inforna:
Ëj.on on these additional dinensions of the manager's utility space. In-
fluences of investmenË Ëax crediÈ, depreciation, and capital gaÍ.ns taxes
are evaluated for t,he proposed investment and addiËional capital asseËs
required to operaÈe the proposed investment.
The sinulatj.on ¡oodel provides a marginal analysis of the proposed in-
vestnent, a total farm analysis which includes that, of t.he investment,
or a conparaÈive analysis of the current situation and Ehe new proposed
size of firro. The nodel can also be used t,o determine the relative de-
sirability of alternative capital investment. Different parcels of
1and, lease or purchase decisions, and additional investroenËs such as
irrigation can be analysed to determine t.he profitability and chance of
financial failure.
CompuËer models have been developed and used "in the construction of
individual budgets to estimate present value and maximum indebted-ôo
nessttrtt with regard to Ëhe ttinteracting occurrences of borrowing taxa-
27 l'rit "
i.. Ilardin, "A Siuulat,ion Model for Analysing Farrn Capital In-vestmenÈsrr, Unpublished PhD. thesis, Oklahoma SË,ate UniversiËy, Julyr97 8.
28 ".
Candler and Cartwright. "Estimation of Perfornance Functions forBudgeting and SiraulaËion Studies"' n.n.r n.P., n.d., P. 160
22
t.ion and. debt repaynent. over a period"29 of years.
A number of computerized budget models have been developed in Canada
for use in both farm managenent decisi.on-making and research. Tn 1972
economi sts aË, the Lethbridge Research Station of Agriculture Canada and
the Department of Agrícultura1 Economics, University of SaskaËcher¿an j.n-
itiated a project, ained at Ëhe development of systems mod.els of the ma-
jor farn types in inlesËern canada. rn the spring of 1974 work began on
the d.evelopnent of a dryland cereal and oilseed. crops node1.30 tt. "p-
proach taken in the construction of the siuulat.ion model was to develop
a rrskeleton raodel" Ëhat represents the logical stïucture and relation-
ships and includes only the basic parameters of the real system.
The above noted crops simulator is viewed as consisting of Ëhree com-
ponent.s: a model (Fortran program), a base data block and a control
data b1ock. The Fortran program contains Lhe skeletal relaLi.onships and
interrelationships of the biological, physical and ecomornic processes
comprising the produetion space of the farm. The base data block con-
tains a listing of the product.ion alternatives and productíon coeffi-
cients for the specific relationships involved. The control data block
acts as a supplemenLary unit to the base data block containing inforna-
Èion and data specific to the individual farrn being considered. As
well, the control data block instructs the nodel as to the production
a1Ëernatives t,o be considered and controls the manner in which the in-
form¡tion provided is to be processed.
rbid.
R.P. ZenLner, B.H. Sonntag and G.E. Lee, rtsimulation Model for Dry-land crop Product.ion in the canadi.an Prairies", Agricultural systems,Vol. 3, 1978, Applied Science Publishers LËd., England, L978.
29
30
¿J
The simulator proceeds through three stages in the process of
sinulating a farm siEuation over Ëime. In the first stage t,he Fortran
program is initialized and the base and control data blocks are read.
0n the basis of the information and data contained in the control data
block, the production alLernaËives that are not relevant t.o the farm be-
ing considered are elirainated, as wel1, the production coefficients con-
tained in the base data block are Eodified to make them specific to the
farm. The use of this roodel is liuiEed to Ëhe specification of prede-
fined alternaLives for production processes. The user does not, have t.he
flexibility to alter existing processes or to define new ones. The rnod-
el proceeds through a routine for selecting among the producËion alter-
natives that are open at each decision point. In t,his respect che rnodel
has a normative dinension that does not consider the fu11 spectrun of
possible objectives that may be speeified by the farm manager. The set.
of alLernatives selected by the rnodel constiLutes Ehe decision space
that has been defined.
In the second sÈage the production plan is disaggregated into a num-
ber of speci.fic tasks or jobs Lhat must be perforrued in given time peri-
ods. At Ëhe same time the physical resources required to perform each
job are identified. This stage allows the nodel Ëo investigate the Eem-
poral limitations existing withfn the farm system. These resErictions
can be very important and are often not considered in sinpler budget
preparation algorithms.
In the thírd stage the model proceeds through a budgeting process for
the selected producËion plan" To accommodaEe resource and product flows
Ëhe year is divided into 26 bi-weekly periods. The resources requi.red
24
for each of the jobs are compared with E,he available resources as indi-
caËed by the control data block. rf resources are not adequate to per-
forn the job within t.he specified tirne period additj.onal resources are
purchased. This represents a normative action based upon a predefined
ttraEionaltr action of a farn manager. Expenses, receipt,s, producËion
leve1s, resource use, eËc. are calculated and recorded in che mode1.
This allows the user to generaEe a budget fron basic financial and phys-
ical- data but linits the flexibility in naking specific changes to the
producËion process and the direct allocat,ion of resources.
The nodel repeats st,ages two and Ehree for each year in the planning
horizon (1 to 10 years). The evaluati.on of the selected production plan
is now compleËed. This process is able to capËure the longer term fi-
nancial iroplications of a parËicular plan that nay be nissed by analysis
on a simple annual basis. The user may elect Lo repeat E,his whole pro-
cedure a number of Eimes using the Monte Carlo Method in order t.hat Ëhe
"best" production plan be found (the plan with the highest 1eve1 of ter-
rninal net. worth). Having found t.he 'rbest" p1an, the user can test the
sensitivity of this plan over a number of weather distribution pat,terns
t,o det.ermine its stability. The model a11ows the user to determi.ne the
sensitivity of the producEion system to the stochastic influences con-
sidered. The determj-nination of the "bestil plan is based strictly upon
the economic criteria previously defined. hrhile this ¡oodel allows esti-
mating of the long run impacts of a particular allocation of resources
iË is not. able to accomodate changing objectives based upon this new in-
formation.
25
Financi.al budgeting models have been developed for specialized re-
search projects by a number of instit.utions. A recent application of
such a model was the OnËario Dairy Farn Accounting Project.3l Th. pnr-
pose of the project \^ras to respond to the questionttt¡hat was the average
cosL of producing nilk in Ontario in 1977?" The nodel used for Lhis
study is tuore properly an accounting rather than a simulation model.
Actual financial inforroation was gathered from a sample of dairy produc-
ers in Ontarj.o and processed t.hrough a computer program to estim¡te the
average cost of rnilk production. The Average Total Cost of productÍ.on
I¡7AS expreSSed aS:n
ATC=TCIY=(E C. )lY..La=l
where: C_. is the total cost, of usiqg input iI
and Y is the amounË of product.
This Lechnique is distinct from a budget simulation model where ATC is
expressed as:n
(1)
(2)ATC=TCIY=(E P-& )/Y!ra=-l
where: P, is the price per unÍ.t of input il_
and X, is the auount of input i used in Ehe productÍon Process.1
Because C. must be accurately est,imated, the accounting model is not, ap-1-
propriate for the invesËigation of production systems which are not cur-
rent.ly in existence or for which good financial records are not availa-
b1e.
H. Driverr Ontario Dairy Farn Accounting Project Progress Report1977, A joint project of Agriculture Canada, Ontario Milk MarketingBoard, Ontario Ministry of Agriculture and Food and The University ofGuelph, released July, I978.
31
26
In 1970 a model was developed at the University of Manit.oba by I,I .J.2,'
c.raddock-- wit,h Ehe assistance of D.F. Kraft in order Ëo provide daËa
needed for an Economic Councj.l study published in 1971. The mod.e1 has
subsequently been substantially nodified and updated by researchers
within the Departroent of Agricultural Economics and Farn Manageuent at.
the University. D.F. Kraft with t,he assístance of D.O. Ford developed
and used a uodified form Eo estÍmnte the costs and returns in crop en-
terprises based on zero tillage pracËices. The model has also been re-
fined and used by C.F. Framingh.r33 and. others for t,he evaluation of the
Farn Diversification Prograu conducted for the Interlake region of Mani-
t.oba.
In response Lo interest deuonsErated by potential users of the com-
puEer progran a user'" grride34 \,ras prepared by Framingham et aI and. made
available as a Research Bu11eEin. This publication contained a descrip-
tion of the structure of the mod.e1 euployed. rn it a detailed specifÍ-
cation of the calculations used to calculate both costs and returns is
presented. This is followed by a listing of the i.nput dat,a required by
t,he program. An outstanding feature of this uodel is the organizaxion
and type of data required for its operation. The data is divided into
Ëwo blocks. The first data block consist,s of nachine operation and gen-
I,I.J. Craddock, InË.erregional Cornpet,i.tion in Canadian Cereal Produc-tion, Special Study No.12, The Queen's Printer, Ottawa, Canada, L97L
D.0. Ford, "Economic Evaluation of Inpacts of the Fara Diversifica-tion Program in the Inter1ake", Unpublished Research Report, Depart-ment of Agricultural Economics and Farm Management, Universily ofllanit,oba, I976.
C.F" Franingham, C.N. Longmuir, M. Senkiw, and A.D. Pokrant, CropProduction Simulator, Research Bulletin No. 78-2, DeparËment of Agri-c"it"ra1Ecffin¿FarmManagemenÈ',TheUniversityofManitoba,I,Iinnipeg, L97I .
32
JJ
34
.27eral cost inform¡tion. The second data block conÈ.ai-ns the producer in-
fornation specific to the individual farrn being studied. The pricing
information in the general cost, inforrnation daÈa block is conbined with
the physical description of t,he production process to yield a financial
pj.cËure of the ent,erprise. The significance of this nethodology is that
no financial infonoation is required of the farmer about his specJ.fic
farm. IË is therefore possible to analyse enterprises for which no fi-
nancial records are available or which uay not. even exist.
The model as it exi.sted in 197B was the product of the various nodi-
ficat,ions which had been roade to it, to facilitate its use in the re-
search projects where iL had been applied. As such it had several seri-
ous short,comings which hindered its application in a fanu planning
context. The coding procedure was particularly onerous and time consum-
ning. The procedure involved referencing the physical dat,a into tables
which provided t.he appropriate code numbers for t,he categories used in
the program. The procedure was also very rigid and did not a1low cer-
taín user price information Lo be used even when it, was available. The
machinery pricing rnethodology introduced an unnecessary nargi.n of error
into the calculations which \,ras not aeceptable for individual farm plan-
ning. To pri.ce the machinery a linear regressi.on equation \,ras esËinated
for a particular rnachine type for all sizes having available price in-
formation. The array of sizes available r^las then divided into 'a number
of nachinery size classes. A price $ras calculated for the mean size in
each machinery class and assigned Ëo any machine falling within Lhat,
c1ass. This process resulted in the loss of information concerning both
the price and the exact size of the rnachine. This can be shown by the
28
hypothetical case illustraÈed in Figure 4. In this example the actuaL
price of the machine P would have been estimated by Pl which has had er-
ror introduced by the artj.t,rary class designation process of p-p1.
Si.nce this size classíficatj.on was used in Ëhe engineering calculations
the error of Q-Ql was inËroduced into all of the calculations used to
estimate the cost of operaË,ing the machine. These inaccuracies eoupled
r,rith the difficulry in using rhe roodel did nor make ir appropriate in
its existing form for use in farm planning.
Several of the raodels rlentioned. have been used to gain insight intodecisions faci.ng the farn mânager. Some nodels have onerous data re-
quirement,s. A number of rnodels require detailed financial infor¡oation
regarding the system to be studied. They are Lherefore not appropriaËe
when no such information is available. Soue models have extensive as-
suupEions built into theu regarding the objecËives of the entrepreneur.
These- results are not. useful when the uanager's objectives are changing
or are unable Ë.o fit withín the restrictive framework provided. The
succeeding seet,ion will proceed to develop a conceptual framework t,o
specify the characteristics of the decision space of Ëhe farm manager so
that a roodel useful in dealing with that situation nay be deternined.
)o
Figure 4
Machì-nery Price Estimation
LEGEND:
loooo I
I
9 000
8 000
7000 I
6ooo I
I
D'1
O TS OHTGTNAL I' TS FTTTED DATA
o
c)
'rlS{Êr
-4I
I
I
t--I
I
sooo I
I
o
4000 [ I
Si zeCl-ass
I
I
Qi oa
ClassI+
I
a.I
I
SizeClassrII
I
SizeClass
TV
I
SizeCfass
V
I
SizeCl-ass
VT
tI
7I
6I
5I
3I
I
I
I
I
a
I
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4
Chapter III
TIIEORETICAL CONSIDERATIONS
3.I CONCEPTUAI MODEL
The basic unit of production is Ëhe firn. According to L""r35 a firn
is considered to be an organization of productive resources geared to
the production of one or nore products and operated by a definable enti-
ty (enLrepreneur) which makes Ëhe decj-sions and accepts Lhe financial
responsibility for the firm's actions. The fina owes it,s existence to
Ëhe fact that the entrepreneur has an opportunity to se1l some produc-
tive process more profitably than if he were to se1l the resources di-_36rect,l-y.
The farro-firrn at this sÈ,age can be thought of as a black bo*37 or de-
vice that converts inputs of a specified type into outputs by means of a
process or, more correctly, a complex of processes that are neither cou-
pletely identified nor understood. The productive process Lakes place
when two or nore factors of production are combined. The environment in
which the transformation of input.s Ëo outputs occurs nay be Lerrned Ë.he
ttproduction spacett of the firm.
35 c.s. Lee, t'Exploitation ofUncert,ainËy", Unpublished25.
Information for Capital Accumulation UnderPh.D. thesis, Purdue University, I97I, p.
36 e.a. Hart, Anticipati.on, Uncertainty, and Business Planning, New
York, A.M. Kelly, 1951, p.3
37 f.f. Orr, Structured Syst.eüs Development, Yourdon Press, New York,N.Y., 1977 . p. 13
-30-
31
Input s-------->FIRM- -----)Outpur
(x1,x2,...xn) (Y1 ,Y2, .. .Ym)
the manner in which the factors of production (inputs) are allocated,
subject to the technical relationships of the firm, deteruines the t,ype
of out.puE that will be forthcouing. The object.ive of the entrepreneur
is Ëo "knotnr" the productÍon space of the firn (aËtempt to understand the
relationships involved) so as to be better able to control or direct the
processes involved. The enËrepreneur attelnpts to allocate Ehe facË,ors
of production under his control (land, 1abor, and capital)
in a way such Ehat the goals of the firm are achieved.
The understanding of the production space is fundamental to Ëhe study
of resource allocation. The int,eraction between the inputs and outputs
uust be understood (at leasË, to some degree) in order that the resources
are allocated efficiently. The attempt t.o "kno.rr" the production space
is referred to as the modelling pro"u"".38
At any one point in Ë,ime, the firm can be envisioned as a uníque or-
ganization possessing a unique production space.20
Lee" descrj.bes the product,ion space of the firrn as the transformn-
Ëion or napping of a set of a priori conditions (inputs) into a set of a
posteriori conditions (outputs). Any eleuent or factor that has a po-
tential impact on t,he final outcorne can be classified as an inpuË. In-
puËs (XO:k=I,...n) can be'divided inË,o three groups: the alternatives
available {a}, the uncontrollable factors or states of nat,ure {s}, and
38 rrr" modelling process refersnathenatical representaLion ofwith observable phenomena.
39 Lu"r op. cit. pp. 25-42.
Ëo the development of arl abstract. orthe firrn. The rnodel links reality
the decision-ruaking characËeristics of Ëhe entrepreneur {d}.
32
In
addition, each class of input can contain several items {i:i=lr...I},
several levels of each iten {1:1=1,...Li, and can be appropriate during
specific tirne periods {t:t=l,...T}. Thus the output. of the systeE can
be descrived as:
OuEput=f ("rrr, "ilt, d:_f-) (3)
where, f represents t,he functional relationship between inputs and out-
puts. A producEion decision relating Ëo a specific alternat,ive, at a
specific level and in a speeific time interval is one a ilt This deci-
si.on is made by the entrepreneur characterised by one d..-, wiËh the re-
sult or outcone subject Co one or a set of srrr.
A sinilar conplexity applies on the output side of equatíon 3. Out-
put(Y.:j=Ir...¡n) can be disaggregated into several kinds of saleable¿
product, bi, aË several levels bit, and in several periods bi_l-t. As
wel1, Ëhe decisions taken in one production peri.od often have effects
which nodify t,he structure and opporËuniti.es of the firTr for the follow-
i.ng production period, cilt. In addition, the possible alterations that,
m¡y have occurred Lo Lhe uncontrollable facËors of production musË be
íncluded. s.-..' r-_Lt
To nake this concept,ualization couplete, a met.hod of evaluating the
differenË ouEcones is needed. Thus, a measure of goodness or desirabil-
ity, g, is required Ëo facilitaËe the select,ion or choice of those al-
Ëerriati.ves that are consist,ent with the objectives of the firn.
The objectives of the firn are reflected in t,he difference in out-
comes between selling t,he inputs directly and selling Ëhe output,s from
the transformation process. It is inportant Ëhat these objectives be
33
rational in the sense that they can be roeasured by some verbal or ¡nathe-
mat.ical rneans. Given that. this is possible, the compleLe specification
of the production space of the firm can be stated mathematically as:
m(a-., * s..- * d.-.-)=(b-.--- * s.,-- * c.---)' rrt 1l-r r_rr- r_rrg r_rrg r_rrg' (4)
where
1. a:a A refers Lo the actions that can be taken by the firm,
2. s:s S refers to Lhe states of Ehe variables beyond the control of
t,he firm,
3. d:d D refers lo the decision-rnaking character of t.he entrepre-
neur,
4. b:b B refers to Lhe outcoues (products) of Lhe actions taken by
the firm,
5. c:c C refers to.the unique int,ernal structure of the firm result-
ing fron previous decisions and stat,es of nature,
6. i:i I refers to the items in a set,
7. 1:1 L refers to the 1evel of the iËem,
8. g:g G refers to the desirability of the right hand product sets,
9. È:t T ref ers to the ti.rne period involved and,
10. n refers to the Eatrix that describes Ëhe roapping of the left
side of Ehe equation onto the right side variables.
Equation 4 says that for every action that can be taken by a finn at
a given 1eve1 and point in time, in a given setting, a particular level
of result is forthcorning. It is not inplied that Èhese relationshi.ps
are known, but it does inply Lhat they exist and Ehat efforts are rnade
Ë,o know more about, them in order to control or direct the processes in-
volved.
34
At the practical leveI, such complete specification of the production
space is not possible. Even if iË, r,rere, a search of all the alterna-
t.ives would be ext,remely coscly. The alternative is a reducËion in Ëhe
size of Ehe sets and simplification of the napping Eo make the specifi-
cation of such a systexo
1. conceptually possible and
2. operationally or analytically feasiUte.40
The reductions and sinplifications are accomplished by utilizing appro-
priate Ëheoret,ical deductive t.ools.
3.2 TIIEORETICAI. BODY
The world is observed as a sequence of events. Any explanation of
how these events are linked togeËher is a theoretical consËruc¡.41 Theo-
ries give form t,o an otherr¿rise shapless üass of meaningless observations
by aLLer0pting to explain, or account for, certain observed phenomena.
If correct, a theory a11ows one to predict in advance the consequences
of various choices.
A Ëheory consists of:
1. an hypothesis about the way in which certain phenomena behave,
2. a set of assumptions under which the theory or hypothesis ap-
plies, and
3. a set, of principles or logieal statenents Ëhat describe the rela-
tionships auong the observed events.
40
4t
Lee,
R.G.1969,
op.cit. p. 29.
Lipsey and P.0. Steiner,p.16.
Econouics, Ilarper & Row, New York, N.Y.
35
A Ëheory represents a mental or abstract rabor-saving device (a
sinplified nodel) Ín the sense that an individual need not start from
scratch r¿ith each investigation but can draw upon accept.ed theories or
lav¡s in the fornulaLion and soluËion of a problem.
3.2.L Theory of Resource Allocation
3 .2 . I .1 S tatic Theory of the Firn
The traditíonal theory of the firrn is Ë,he basic building block upon
which a model for farm resource allocation can be conceptualized. The
theory is concerned with
1. the efficient allocation of resources among productive units de-
voËed to the production of a single output in a mnnner thaE max-
imizes the net value of the physical ouËput, and
2. the allocation of resources among alternative outputs in a manner
that naximízes the net value of production.
The lhree basic principles of prod.uction economics (factor-
product, factor-fact,or, and product-producÈ relationships) a11ow
one to deduce the general shape of the production space. By as-
sumi.ng a rational decision-maker, only Ëhe outer edge of the pro-
duction surface need be considered. Any point not on this outer
edge is Ëechnically inferior. By liroiEing the analysis ro only
the technically feasible points, the number of alt,ernatives that
need be considered are greatly reduced.
The assumpLion of perfect knowledge means the ent,repreneur has
complete knowledge about the alÈernatives avaj.lable, the states
of nature and the outcomes associated with each alternaEive and
36
state of nature" This assumption serves to remove all risk and
uncertainLy involved with management choice. Further assumpEions
regarding timeless production, cardinal measurability of output
(usually measured in terrns of dollars), perfect competiti.on in
the input and product, market.s, and t,he goal of profit uaximiza-
Ëion a11ows the produclion space to be reduced to a rnapping of
the technically feasible a1Ëernatives into levels of outcomes
that are known with certainty. The role of Lhe entrepreneur is
to select that alternat.ive that leads to the highest level of
profits. In Ëerms of the producËion space synboli.zed by equation
4, the static Lheory of the firrn is siuply:
ro( a ,r) =b ,,(s)
The traditional theory of the firro provides a very simplified
nodel of the producEion space and managemenL choice. Hovever,
because of its restrictive assumptions it has been criticized by
nany for its lack of realism. The assumption criLicized most
consj.stently is that the entrepreneur maximizes the profits in a
nanner that is "objectÍ.vely rational".42 Th.t i", Lhe entrepre-
neur selecEs from the seÈ of all possible alternatives that al-
ËernaÈive t,hat, leads to naximurn profits. Challenges to the prof-
iÈ-rnaxirnization assumption t,ake two forns.
1. It is argued that profit is siuply one of many possible
goals of the entrepreneur. Other goals include such
things as producÈion goa1s, inventory goals, and personal
and Decision Models of
[email protected]. -T.II . Naylor and J.trrl. Vernon,the Fim, New York,. Ilarcourt,
Micro-economics42
Brace and [,Iorld,
37
goals (eg. , salary, securit.y, stat.us, power).
2. Other critics do noË deny the import,ance of profit but
question the assumption of maximizat.ion. They conLend
that the entrepreneur aËtenpts to achieve a satisfactory
level of profit but not necessarily the maxi.mum level.
The second area of criticism relaËes Ëo the assumption of per-
fect knowledge on the parË of Ëhe entrepreneur wiËh respect Lo
the technical relationships and factor and product prices. Crit-
icisus centre around the fact thaË risk and uncertainty are a
very large part of reality and cannot be overlooked. Producers,
because of Èheir lack of knowledge, are continually faced with
risk and uncert,ainty in Ëheir decision-rnaking processes. Exoge-
nous factors such as markeE condi.tions, v¡eather, government poli-
cies, etc. are responsible for less than perfecË knowledge.
The third area of criticisn of the traditional theory of the
firm relates to the production process. The traditional theory
deals wiËh a firn in a static, timeless environment. The theory
does not explain Lhe dynarnic nature of the production process.
It fails t,o account for the time 1ag between inputs and ouËputs
and Ehe linkages between consecutive production periods. The
theory assumes all inputs purchased in a certain perÍ.od are used
up in that period. IE also assumes all inputs and outputs are
perfectly divisible. In reah.ty, decisions dealing wiËh invest-
nenE in durable asset,s and Lhe problem with "lumpiness" of re-
sources are everyday occurrences and should be viewed according-
Ly.
38
A final criticism of the traditional theory of the firm staËes
that the theory is basically raarkeË.-orj-ented and, as such, is ap-
propriate for a different set of questions Èhan one that a mi cro
or nlanagenent. orientat.ion requires. It is felt that a theory of
the firn should centre more on the decision-making process of the
entrepreneur and Ehe changi-ng environmenË of the firm. These
cri.ticsms have led to the developmenË of a ner¡r set of theories
ref erred to as ttadaptivett theories.
3"2.L.2 Adaptive Theory of the Firm
Adapt,ive theory concerrrs iEself with describing hor¡¡ the firra responds
over Ëime to changes in its environment. The firn is visualized.,as:
i. operating in an environment characterized by inperfect. knowledge,
2. not so1ely concerned wíth profits but recognizing a rnulti-dimen-
sional objective, and
3. operat.ing as a dynamic organization that changes over t,ime.
UncertainÈy as to Ehe states of nature is an integral part, of adap-
tive theory. The entrepreneur has no way of knowing exactly which state
of nature will prevail. All he has is a subjective estim¡Èe of the
probability of each state being the Ërue state. By processing this par-
tial information iÈ is possible to construct an a priori probability
distribution over the sËat,es of nature. By doi.ng so, rational choices
can be mede based on expected ouËcones. As Li.me passes and oore infor-
uation is accumulated about the staEes of nature, the probabilÍty dis-
Ëribution can be continuously refined until it approaches that of the
real wor1d.
.39A requisite for the decision process is an adequate system for sup-
plying information on production relationships, price relationships
(both factor and product), and frequency of occurrence (probabilities)
of specific st,aËes of nature. Since the states of nature are given and
beyond the control of the deci.sion-maker, Ehey can be treated as sto-
chastic variables Ehat act to influence the resulting outcomes, thus
reducing the complexity of the production space Ëo a ltrore uanageable
leve1.
A firru is not solely concerned with naximizing profits. Rather, a
firm has several goals t,hat it wishes to attaj.n simultaneously. Oft.en
these goals are in competition for the firm's resources. A decision to
move in one directíon roay maximize one goal buË at the same time prevent
other goals fron being realÍ.2'ed, or lhe action taken Eay contribute rnod-
estly Ëo the attainmenË of several goa1s.
Utility theory can be utilized to accommodate nultiple goal objec-
tives. Ordinal utility analysis enables Lhe entrepreneur to develop a
set of indifference curves Lhat have as many dinensions as the entrepre-
neur's objectives. A sËrategy can then be chosen that uaximizes (or
satisfies) the expected utility of the entrepreneur.
Producti.on is viewed as conti.nuing over a number of tirae periods.
The product,ion space, although finite at any point in tine, mâY either
expand or contract over time. Changes are brought about by changes in
the technical and market, relationships ardfor through changes resulting
from entrepreneurial decisions in the history of the firm. This ueans
that r,rithin each production period decisions are made as to the course
of acEion to be followed and implies that one set of decisions necessar-
40
i1y precedes another set of decisions. To ignore t,he outcomes of the
previous decisions nay lead to less desj.rable outcones in the future.
Any valid representation of this dynamic process Eust recognize the is-
sue of nodificat,ion of the decisi.on-making characteristics of the entre-
preneur as experience and informat,ion is obtaÍned about the environment
and the changing structural sËate of the firm.
i^Iith these considerat,ions in raind, t.he adapLive theory of Ëhe firm
can be described as focusing prirnarily on the decision-maker and his en-
vironment. At various points, ner¡r inforuation nay cause the entrepre-
neur to redefine his problem, seek more information, or accept a previ-
ously evaLuated alternati.r".43 The production space of the firn can.be
represented as i
n(arta*drrt)=bit"tgo"ir"tg (6)
where, e:etE refers to t,he stochastic influence of those variables be-
yond the deci.sion-maker's control.
The product.ion space as described by equation 6 reduces to a rnapping
of the Èechnically feasible set of alternatives onto certain levels of
outcomes, where the outcome is dependent on the partícular value of e.
The relationships that comprise equation 6 are referred to as the de-
cision space within which Ëhe entrepreneur É-ust function. The problero
that, arises wiËh respect to the decision space is, how are decisions
rnade? How does the entrepreneur ruake decisions to coubine his resources
to achieve Ehe goals of the firro in the face of risk and uncertainty?
An at,tenpt to sËructure this process is found in decision Ëheory.
43 c.tt. PaLrick and L.M. Eisgruber, "The Impact ofand Capital Structure on Growth of the Faru Firn",na1 of Agricultural Economics, George Banta Co.,consin., Vol.50 (i968) , p.472
Managerial AbilityThe American -Jo"r-
Inc. , Menasha, trIis-
4T
3.2.2 Decision Theory
The nost vital function that management perforns is decision-naking.
To nake decisions means to choose a course of action from among various
alt.ernatives. Decision-naking requires expliciË use of information.
The amount of infornatÍon needed for a particular decision is directly
related to the amount of uncertainty present.
3.2.2.L Decision-naking under certainty
Under these conditions the decision-roaker has perfect knowledge about
the acËions open to him and the states of nature. Therefore, the deci-
sion-maker knows exactly what the payoffs will be under various combina-
tions of actions and states of nature. The optinal decision is that
course of action that yields the highest payoff under the state of na-
ture which will occur. This represents the condiËions under whích the
tradiËiona1 theory of the firn applies.
3.2.2.2 Decision-maki.ng under risk
Under these conditions t,he decision-maker is aerare of the relevant
courses of action and "knows" the probabi1iti."44 of each of the possi-
ble states of nature being the true stat,e. As a result, the probabili-
Ëies of the consequences of the various courses of acËion are also
known. A deci.sion-maker may then choose Lhat course of action that will
maximize the expected value or sone other üeasure of payoff.
44 tfr" decision-maker objectively Eeasures thesÈates of nature based on [0any observationsFrom Lhis process, the decision-maker becomesthe probabilities of various staEes of nature.
probabilities of thefrom Past experience.
relatively confident of
42
3.2"2"3 Decision-rnaking under uncertainty
Change plus unpredictability give rise t,o the ent.repreneur's uncer-
tainty. Several factors are involved.
1. technical factors-these refer Ëo the lack of complet,e knowledge
regarding the production processes for a particular outpuE (e.g.,
weat.her, pests , di.sease) ;
2. market or price factors- these refer to the lack of complete
knowledge concerning future markets and prices for products yet
to be produced;
3. Ëechnological factors- these refer to the lack of complete knowl-
edge concerning future discoveries or developments Èhat nay occur
in the production methods and pracLises for farn producËs and hor¡
these fact,ors affect Ehe,cost and returns of the farm;
4. institution factors- these refer to the lack of eomplete knowl-
edge concerning future changes in laws, regulations, group act,ion
or broadly exËending customs that will affect the farning opera-
tion; and,
5. human traits- these refer to t.he lack of conplete knowledge about
how individuals in or related to the farrn will change or behave
in Ëhe future.
Under conplete uncert.aint,y, t.he decision maker has no a priori infor-
mation as to what the true staËe of nature will be, not, eVen in a proba-
bilistic sense. To facilitate a raÈional decision, uncertainËy must be
reduced. Several criteria have been developed to aid in the process of
45 r. Eisgruber and.Benttt, Canadian
1963, p.60.
J. Nielson,Journal of
"Decis ion-Making Mode lsAgricultural Economics,
in Farm Manage-
,l/i ¡f.É.tri : '';+e'T,
ìir
...
decision-naking under complete uncertainty. These "r.,45
43
maximumr
minimâx, pessimism-optimism index, principle of insuffici.ent reason, po-
tenEial surprise, and satisficing. In Eost cases, however, decision-
uakers do not directly employ one of these criteria; they seem to rely
more heavily on their subjective feelings. The decision-maker through
the process of defining the problem and det,ernining the possible states
of nature, acquires sone knowledge of the relative probabilities of the
sËaËes of nature. By processing this partial informat,ion, an a priori
subjeetive probabi tfty46 distributi.on over the states of nature is de-
veloped and then used for making decisions.
In the real world, entrepreneurs always aËËenûpt, to move from an ttun-
cerLainrt environnent t.o a ttcertaintt environment, however, decisions made
under uncertainty or aE least a high degree of risk are Eost common.
The ability of the entrepreneur to exploit avaj-1able infornation in rnak-
ing the selections becomes Èhe very essence of decision-naking. Any
siluation in which a decision-maker is confronted with a choice auong
actions constituËes a decision problem. A decision problera is composed
of decision inputs, decision outputs, and decision rules. The decision
inputs refer to Ehe various alternaËives that are open for selection as
well as the states of t,hose variables beyond the control of the deci-
sion-maker. The decision outputs refer to the payoffs or outcomes asso-
ciated with each combina;ion of available alt,ernatives and states of na-
ture. The decj.sion rules are the standards or principles uÈilized by
46 Sob3."tive probabitities are based on past experíence and infornatj.onaccumulated by the decision-maker. They are not, "objective" in thesense that they were scientifically obtained. However, if formalized,they have the same mathematical properties as an objectively deter-n:Lned probability distribuËion.
44
Ëhe decision-maker in evaluating the alternatives and naking a choice.
the decision problem can be represenËed with a decision tree formaE
where, ã.ií=Lr2r...n, refers to the alternatives or specific courses ofI
action that are available, "jrj=I,2¡...ur¡
refers Ëo the specific state
of the variables beyond uhe decision-maker's control; and bi¡ refers Ëo
Ëhe outcome or payoff Ehat coues forth when selecting action i and hav-
ing the state of stochastic varÍ.able j occur (Figure 5). At each deci-
sion poinL, synbolized by a square, a decision rule must be applied to
select among the alternatives that are present,. The stochastic effect
of the variables beyond the the decision-maker's conË.rol are represented
by decision (circles). the payoffs become t,he output of the deci.sion,
gÍven the state of the stochastic variable j _occurring. Any continuous
paLh Ehrough the network is associaËed with a final outcome for the sys-
tem.
The
stages.
1.
decision-naking process involves several discrete and sequential
There must be a complet.e specificati.on of the problem siLuation.
llhen framing Ëhe problem special consideraÈ,ion should be gj-ven to
t,he objectives of the firn.
2. A listing of the set of alt.ernati.ves available for selection must,
be made. In uost cases the decision-maker will only define a
subset, of the alternatives actually available. This will likely
include only Ëhose which his knowledge and conventí.ona1 wisdom
indicate as feasible altern*ii,r.".47
A.N. Ilalter and G.l,l. Dean,Publishing Co., Cincinnati
47 Decisions Under Uncertainty, South-Western, Ohio. L971, p.173.
45
Figure
Schematic Representaiion
5
of a Deci sion Problem
brr
brz
br¡I
II
btn
DecisionPoint bsr
bzz
bs¡tt?
bgn
O - Decision Node bnr
bne
bnsI
II
bnm
46
The decision-rnaker must choose the set of alternatives that ap-
pear xnost appropriate in Eerms of reachÍng his objectives. To
accomplish this, t.he decision-maker disaggregates each alterna-
tive into discrete production steps. Probabilities are then as-
signed to each possible outcone. Statistical decision theory can
then be applied Eo calculate the expected payoffs.
The decision-maker must init.iate act.ions t,o carry ouL Ehe a1Ëer-
natives chosen. This involves the collection, allocation and di-
rection of the resources under his control into Ëhe Ëransfonna-
tion process in the manner indicaEed by the decisi.on or course of
action chosen. The outcooe that result,s will hopefully approach
that visuaLízed by the decision-uaker.
The decision-maker must examine the actual results of his choi.ce
in view of subsequent developnenLs. the i-nformation received
from this action may alt,er the parameters of the decision problem
and/or facilitate a tnore objective assignment of probabilities to
the states of nature and """o"i"a.d outcomes for future prod.uc-
tion periods.
ThroughouË. the entire decision-making process there is a basic need
for an infornation system that supplies information on the various rela-
tionships to facilitate the definiLion and interpretaËion of t.he deci-
sion space at any point in time. Infornation is required to assist in
Ë,he selection of Lhe finite set of alternatives and in assigning proba-
bilities t,o the stat,es of nature. Because the production space is al-
ways changing over time, new information is continually required to fa-
cilitate rational decisions. The ability of the decision-maker to
J.
4.
5.
integrate his personal knowledge with other informaLion and
production plan in light of this new information deËermines
as the unit of control within the firm.
47
Eo adapt his
his success
3.2.3 Adaptive DecÍsion-MakinglLRMurphy'' presenËs a nodel of the adaptive decision process. The ¡ood-
el can be used to portray the role of the decision-¡oaker in the produc-
Ëion space of the firm. The uodel of the producÈion space is composed
of an a priori structural state vect,or that describes Èhe state of the
sysLen, the sËructural environmenL vector that contains the staEes of
nature or exogenous factors, and the decision vecEor which is a function
of not only the previous structural state vector and t,he decision-mak-
er's environmental vector buË also an a priori historical infornation
vecËor. This a priori historical infornation vector cont.ains a complete
list of the outcomes from previous periods and is t,he only clue to the
random effects of the environment,al vectors on t,he structural state of
the system. The a priori historical infornat,ion vector may also contain
information accumulated from other sources ouEside the syst,em.
This verbal discussion is represented by ltrrphy49 in the following
equation:
Sr*., =f ( S- , U¿, Dtr)
where:
1. St*1 r.f.rs to the a posteríori structural state vector,
(7)
, Adaptive Process1965. pp.1-31 .
48 R"E. Murphy Jr.Press, New York,
rbid.49
in Economic Systems, Academic
48
2. St
3. u.c
4. D-t
CE)o L
It rtpt y50
refers to t,he a priori structural state vector,
refers Ëo the structural environnerrt vecEor,
refers to Ehe decision vector, and,
refers to the struct,ural transítion function.
further represenËs the decision vecEor as:
D =D(S¿-¡,H¿_¡rV¡)
È=0,112... (8)
where:
1. V, refers to the decision-meker's evnironuenËa1 vecLor which con-
tains the physiological nake-up and t.raits of the decision naker,
2. Htr refers Ëo the historical information vect.or,
3. t refers to the time period, and,
4. r refers to the tine 1ag.
The adaptation is observed during the passage of time. The transfor-
mat,ion of Ëhe a priori st,ruct,ural state vector into the a posteriori
structural sÈaËe vector is described by Murphysl as follows:(Figure 6)
1. reception of the a priori historical informatj.on vecror. At the
beginning of each sËage a "package" of inforroation is recelved
frou the previous sÈage which contains Ehe a priori structtlral
stat,e vector and the historical information veetor;
2. determïnation of Ëhe decision-¡oaker's acËion. The a priori his-
torical information vector suggests a number of possible alterna-
ti.ve actions from which a unique action is deternined by the de-
cision function;
rbid.
Ibid.
50
51
J.
49
Ëhe Ëransformatíon of the structural state vector and historical
infor¡nation vector. The action deternined by the decision func-
tion and lhe effects of the external paraneters on the process
Ëransfor¡os the a priori structural st,ate vector. This nevr vector
nay differ from the expectations of the decj.sion-maker when the
decision was nade. This difference generates a transfornation of
the historical infornation vector producing the new inforoation
package for Ehe following stage.
This adaptive process illustrat,es the explicit use of informa-
tion. It consËitutes a continuous eycle of receiving infor¡na-
tion, naking decisions on the basis of this infornati.on, and j.m-
plementing the decision whereby more infornation is gained for
the following period. Over t,ime, thi.s "learning" process ruay re-
sult in the decision-maker's a prlorl subjective probability dis-
tribution approaching that of the real world
The prevÍous discussion demonstrated that, theory can provÍde a
generalized deduct,ive systeu Lhat can greaÈly facilitate the con-
struction of a nodel in a decision-making situation. But, since
these Lheories are of an abstract or conceptual naÈure, they do
not determine a specific st,rucËure for the nodel. The production
space as developed by Lhese theories can only becorae explicit
Lhrough Ë,be adoption of an operaËional system. This is the pur-
pose of the following chapter.
50
F-i sure 6
Murphy's Adaptive Decision Process
Stnrctural Environnental
Decision Vector (Da)
otherïnfo:¡ration
Decision-Makerr s EnvironnentalVecror (V.)
a pT1oÎ]-
Stn¡ctural State Vector
Historical Info:rnationVector
Decision-Maker
Chapt,er IV
OPERATIONAL SYSTEMS
4.T PREAMBLE
The study of the deeision space of the entrepreneur is facilitated by
the nani.pulation of a suitable ¡nodel Ehat mirrors the production pro-
cesses involved. Models are Ëhe means by which t,he theory becomes wor-
kable. Models are constructed and utilized for experÍ.menEation as a
substituLe for experimenËation on Ëhe real system because rnan is limited
in his ability to perceive and evaluate inforrnation and because experi-
mentatj.on v¡ith the real system is too costly and time consuuing. An-
ssrers obtained from a properly constructed nodel renove a certain amount
of uncertainty when used as inf ornation in the user's or¡In decision
space. Thus the value of a model is measured by the amount and accuracy
of the information it provides.
A nodel is a fornal assembly of t,he "essential" elements of real
world situations. It ís composed of siuplified representations of the
relationships involved. A nodel rnay be based on Ë.heory, eupirical ob-
servations or a combination of Lhe two. Consequently, a model must be
realis¡ic in terns of the input-output coefficients and flexible enough
Eo accommodaËe diverse external effects (states of nat,ure). A nodel
concerned with some sub-seÈ of the production space of the firm runs the
risk of overlooking or distorting inportant relatj.onshi-ps. Many of the
relationships comprising Ehe production space of the firm are intrinsi-
- 5t -
52
cal1y linked and must be EreaEed accordi.ngly. For this reason, sys-
tems analysis seeros nost appropriate.
A system can be described as a set of factors or elements that are
interrelated and integrated in such a \{ay that a change irr one component
can affecË soue or all of the other components. It iraplies that a con-
cepËual boundary nay be erected around the complex as a lirnit t.o it,s
identily and organizational autonomy. Any element falling outside of
this boundary becoues part of t,he environment of the systen. The de-
scription also irnplies that to undersËand Ehe syst,en one must understand
the relationships of Ëhe elements called subsyst,ems, and how Ëhey are
integrated into the whol-e.
The farm system is composed of biological, physical and economìc sub-
systens, operating Ín an uncerËain environment,, t,hat, are controlled or
directed t.hrough tine by Ëhe entrepreneur in an efforË to achi.eve so6e
predominantly economic objective(s) referred Ëo as the goal(s) of the
firm.
General systems theory
some cases matheroatical)
ships of Ëhe real wor1d.
sary Lo construct a model/\['(o itt ' Y irJ = Fir¡.ts .
where:
is concerned with developing a syst.ernatic (in
framework for describing the general relaËion-
Since a model parallels reality iË is neces-
of the following form:
oirÀte (e)
a is some
T is some
p i.s sorne
S is some
À is some
subset of {a}
subset of {d}
subset of {b}
subseË of {c}
subset of {e}
53
and
i, 1, t, and g are as previously defined.
Equation 9 represents the siraplified product,ion space of the firm as
depicted by the abst.racL nodel.
Sone general characterisËics
nind when selecting an approach
cal rnodel. These include:
of the decision space nust be kepË in
to use in the development of the erapiri-
change and uncertainty - Most decisions faced by farn managers
involve ehange which leads to uncertainty about future events and
how these events affect the possible actions the manager can
Lake;
nultiple means for attaining goals - In most cases, farrn managers
have a large number of ways or means of achieving the goa1s, thus
requiring the consideration and evaluation of a large number of
f easible a1Ëernatives ;
nultiple and shifting goals - Most farm managers have not one but
a nultiple of goa1s. The selection of one alt,ernatj.ve nay lead
to the attainnent of one goal, buË at the same tiue, make Ëhe at-
tainment of another goal nore difficult; or iÈ can contribute
nodestly to Èhe attainnent of a number of goals. These nultiple
ouLcoues or effects can only be considered through Èhe considera-
tion of the Ëotal farm system;
satisfying versus maximizing - In sone cases, farm Tnanagers do
not att,empL Eo maximize. This seems to be a funcËion of the 1im-
its on hum¡n capabilities to evaluate all alt,ernatives, the ex-
ternal liruitaLions placed on the úanager, and the personal pref-
erences of the nanager;
1.
2.
3.
4.
54
5. cornplexity of the production processes - In many cases the pro-
ducÈion relationships involve non-lineariËies, discontinul-t,ies,
tj.me delays, and irreversibilities. Adequate representaLion of
all types of relationships requires an extreuely flexible ap-
proach;
6. factors of production - In most cases the resources avaj.lable for
producËion are limited. As wel1, soue resources can only be pur-
chased in discreËe size units. These characteristics may prevent
the farIn Eanager from attaining the opt,imal production level in
terms of his objective; and,
7. many production periods - A large number of the decisions nay re-
, late in some r^ray t.o tine. In order that all rauifications of a
decision can be seen, production uust be carried'forward for a
number of productive periods.
Another consideratíon in selecting an approach relates to t,he future
operation of the model. As indicated previously, the model rnay have a
number of future usages inplying that the model will be run a large num-
ber of tixoes. As a result, efficiency in terms of operaLing costs be-
comes a very imporËant consideraEion.
It is recognized Ehat no one approach can efficiently handle all of
these requirements. For this reason, soue trade-offs uust. be uade in
the final selection. The approach to be selecËed is that which handles
the majority of these requireuents in Lhe most adequate manner.
The approaches Ëhat can be used to portray the conceptual model can
be classified into tT¡¡o caËegories:
1. analytical approaches, and
55
synt,heti.c approaches.
4.1.1 Analytic Approaches
An analytical approach is defined t.o be the art or science of resolv-
ing a problen into its basic couponents in order that a specific solu-
tion procedure can be utilized for t,he attaj.nment of an opt.inal solution
or answer. A solut.ion procedure refers to a specific algorithm such as
calculus, or simplex procedure for linear programming models. IË refers
to a specific set of deduct.ive rules which facilitate attainment of an
anS\¡/ef .
4. I .1 .1 Differential Calculus
DifferenËial calculus is the set of deductive rules that facilitates
the determination of a uaximum or uinum value for a conËinuous funcEion.
This technique is nornally used on static Eheory, alt,hough it $/orks
equally well in dynanic theory, \^rhere it provides a theoretically error
free, precise soluËion Lo a problem. The advantages of differential
calculus are that it can be applied to any Ëype of interacE.ion, is rela-
tively easy t,o use, and fits adrnirably into the marginality concept.s of<o
econo.ics." The roajor disadvantage of this t,echinque is the limited
number o'f variables ÈhaÈ can be handled from an operatj.onal point of
view.
,)
52 L"u, op. ciË. p. 43.
56
4.L.L "2 Linear Prograrnrning
Linear programming as described by Agrawal and Hu"dy53 is a computa-
tional- method to decermine the best plan or course of action, among nany
which are possible, when a numerical objective exists and the ueans or
resources available for attaining it are 1imit,ed.
This technique is based on four najor assumptions or
These include:
.54predecls]-ons.
1. linearity - this assuupËion implies consËanË returns to sca1e,
indicating Lhat the relationship among the various inputs, out-
puts and income remains proportional at, all levels of activity,
e.9., it assuues single value expecLations and linear relation-
ships,
finiteness - Èhis assumption iroplies that there are a lirniËed
number of act,ivit,ies and resource restrictions cornprising the
problem,
divisibility this assumption implies that inputs and outputs
can be used and produced in fracti.onal units, and
53 Agt"*rl, R.C. and E.0. Ileady, Operations Research Methods for 1$gi-cultural Decisloqs, The lowa SEate University Press, Ames, L972, p.ß.
54 Th".u .t" tT¡ro types of decisions that nay be made when d.ealing withabstract, models. The first is referred to as predecisions. Theserefer to assuuptions or decisions mnde in constructing the ¡qodel.These take tvro forns: (i) theoretical - those Ëhat can be justifiedbecause of an invarianee; and (ii) facilitatÍng - those made so as Eo
adopÈ or change Ëhe st.ructure of the problem or frarnework of the mod-e1 so that a specific solution procedure j.s applicable. The secondtype of decj-sion is referred to as soluËion decisions. These referto decisions Lhat are uade during the process of arriving at a solu-tion or ansÌ^/er Ëo Èhe problen.
2.
3.
57
4. additivity - this assurnpËion inplies thaË the activities are in-
dependent in the sense that Lhe productivity of one act,ivity is
not influenced by the level of anoLher activity.
Linear programming problens utilize the static theory of the firm
with data input that is determinj.stic, thus resulting in a solut.ion Ëhat
55is normative-- and stati-c in nature. The main advanËage of this techni-
que is the rigorous examinaLion of nany activities and resource use al-
t,ernatives. In principle, the ¡oaj.n aj-m is to assess the value of Ëhe
marginal products of all resources when used in each feasible enËerprise
combination so that the available resources might be a11ocaËed to the
greatest overall advantage.
Linear programming per se has a number of disadvantages thaË linit
its applicability. Most of these rise ouÈ of t,he restrictive assump-
Ë,ions under which the approach applies. To overcome sore of these lin-
itations, a number of modifications have been developed. These include
the following:
1. Integer Progranming - This technique is identical to linear pro-
gramrning except thaE the assumption of divisibility is dropped.
Some inputs or resources are used in whole or integer units.
This overcomes the problem of lumpiness of resources.
2. Multi-period Programrning - This technique is concerned with nu1-
ti-stage decision problems where a decision at one stage affect,s
subsequenE decisions. This type of nodel or technique involves a
block diagonal mat,rix where the activities and restrictions are
arranged by tine periods with normally one overlapping resource
55 Notr.tirr. nodels generate rules indicat,j.ng what the decision-uakerought t,o do, given infornation and a goal.
J.
58
(e.g., net farro incoroe) which affects the solution of the next
diagonal block. The main advanËage of thj.s technique is its dy-
namÍc charact.er (ttre recogniEion of time as an explicit, vari-
able).
Stochastic Programming - This t,echnique a11ows coeffj-cients to be
random variates drar,¡n from a specified frequency distribution.
The main advantage is the recognition of risk as an inportant el-
ement of the decision space.
Recursive Programmi.ng - Recursive programiling attempts Lo predict
the actual behavior of the firm. Satri56 describes recursive pro-
gramuing nodels as being based on the Cobweb principle ín which
current production depends on past prices, but current prices de-
pend upon currenË production. If price for the period t-l is
known, output for year t can be predicted. this predicted output
for year t can be used to determine the price for year t.. This
permits output to be forecast for t,he t*I year and so on.
Recursive prograrnrning becoues a predictive device by the use
of upper and lower flexibility constraints thaË represent the
range over which product,ion can change in any one period. The
main advantage of this technique is that iË is dynamic and pre-
dictive in nature.
5. Quadratic Programrning - Quadratic progranning is described to be
the maxi.mization of a concave or mininization of a convex objec-
tive function, subjecl to linear consËraints. This technique has
4.
56 n.f. Sahi, "A Recursive Programming Model of Canadian Agriculture",National and Regional Econornic Models of Agriculture, AgriculËure¿Aaa;-conox0i-AiBranch; Pu6l N ofi|T, l-aT
59
a rat,her linited use in its application because of the
difficulties i.n developing working algorithns and the high cosrs
involved in using this technique. The najor advantage of this
technique is the recognition of a rnulti-dimensioned objective.
The uajor disadvanEage of linear programming per se and its rnany
forms of modificat,íons relates Ëo the size of model required to repre-
sent complex problens and the difficulty in undersËandÍ.ng and/or ex-
plaining the results produced. The size of ¡aodel increases dranatically
as more realism is built into it through the use of these ¡oodifications.
The result is a roodel that is costly to operaËe for a large number of
runs.
4.1 .I .3 Dynamic Progran¡ming
Dynamic progranmíng is a method of converting an optimization problern
of high dimensi.onality into a series of equivalent, problens each of
whieh contains no uore t,han one or tr^/o variables. The lransf ormation is
invari.ant in thaL the number of feasible solutions and the value of the
objective function associated wiEh each feasible solution j.s preserved.
The transformation is based on the principle that an optinal set of de-
cisions has the propert,y that whaÈever Lhe first decision is, che re-
maining decisions rnust. be optiloal \Àrith respect to the outcome which re-
su]-ts from the first decision.
The formulation does not requÍre any specific relationship between
input,s and outputs but does iupose rigorous structural requirenents be-
Ëween certain sets of input-output coubinations. The roajor advantages
of this technique lie in the fact that it ís directly applicable to dis-
60
crete systelts and the fact that. the computational effort required i.n-
creases roughly linearly with the nu¡ober of stages, while Ëhe computa-
tional effort, required by uost convent.ional met,hods increases roughly
exponentially with the number of stages.
The major disadvantages arise from the fact that only one parameter
is used Ë.o define the state at each stage, the inoperability of this
technique in problen settings having nore than one or Ë\,ro consËraints
which hold over the range of t,he problem, and the linited number of ele-
ments in the input veclor Ëhat can be handled from an operational view-
point.
4.L.2 Synthetic Approaches
A synthet,ic approach can be defined as
ing the separat.e parts of a probl-em inLo a
be a precise algoriÈhn for the attainmenË
sr,rer. As a result, Ëhe ansv/ers tend Eo
sense.
the art or science of combin-
whole for which there Eay not
of an opËimura solution or an-
hold only in a sÈatistical
4.L.2.L Regression Analysis
This technique attempts to fit an appropriate equation to the rele-
vant. portion of the producÈion surface. This Ëeehnique becomes unwieldy
when there are many variables and interrelatj.onships involved. Specifi-
cally, problems arising frorq the specification of the function, the way
the chosen funcÈion is to be estiroated, the choice of variables, meas-
urenent of the variables and the problerns arising from a violation of
the basic assumptions combine to make the use of this t,echnique unsuita-
ble in the given problern situaLion.
61
4 "L "2.2 Systems Sirnulation
Ifaisel and Gnugnoti5T define siuulation t,o be a numerical t.echnique
for conducting experiraents on a digital computer; this technique in-
volves certain types of maËhematical and logical models that, describe
the behavior of business, economic, social, biological, physical or
chemical systems (or some component thereof) over periods of t.ime. The
rnajor characterist,ic of this technique is that it is not in it,self a so-
lution procedure or algorithm; it is a \^7ay of approaching a probleu
through t.he use of systems analysis. There is no defined criteria or
framework for developing a simulation model; thus eaeh problem is uni-
que.
Sinulation is usually considered to be a two-phase technique in which
a model of t,he real system is constructed, and experimenEs are performed
on the ¡oode1. Unlike the analytical techniques, simulation does not in-
volve solving a model to find a unique optimum. As a result, simufation
is not used to define a precise optinal operat,ional strategy; however,
near optimal sLrategies can be approached by using procedures Eo system-
atically search the entire decisi.on space for a minumum or uaximum value
of the objective function.
The advantages of the simulation approach include:
I. sËructural flexibility t,hat perni.ts representation of all types
of relationships;
2. provision of a framework for obtaining operational insight into
the system;
I{. Maisel and G.Science Research
Gnugnoli, Simulation of Discrete Stochastic Systeros,Associates, Iric., L972, p. 4.
57
62
3. it requires fewer predecisions;
4. it, can accept intui.tíve judgement. by the farm manager in the so-
luËion procedure; and
5. iË has lower run-time cost.s for a large number of runs.
Disadvantages are:
1. the high costs involved in constructing the nodel, and
2. the high degree of couplexity that can be easily built into these
models naking it nore difficult to interpreË.
0f Ëhe approaches noted, the sinulation approach appears best availa-
ble to represent the uajor characteristics of the production space of a
farm firm. The appeal is in the flexibility to accomodate all types of
interrelaË.ionships and temporal aspecËs of stochastic systems. As well,
the ability to urore easily and efficiently handle multiple production
periods combined with somewhat higher efficiency in run time has result-
ed in the selection of Ehe simulaEÍon approach as thaÈ Ëo be used in the
erapirical model. The application of this technique is described in the
following sectj.on.
4.2 SIMiILATION }ÍEfl{ODOLOGY
Si¡nulatj.on refers to Ëhe operat,ion of a numerical nodel of a real
systen, designed to trace out the dynaro:ic interactions in order to an-
s$rer specific questions relating to the system. The r¡ai.n building
blocks of a simulation roodel are Ëhe deseription of Èhe components and
the deseription of the linkages. The comPonents may be described in
t.erus of input-output relaËionships wiËhin enEerprises or within major
production a1Ëernatives. Linkages tie Ëhe various units togeLher (e.9.,
63
they descrÍbe how the Ínputs are transforned int.o outpuËs for the par-
ticular production alternative).
4 .2.I Steps
Wrigfrt5S describes the procedure the inodel builder goes through in
utilílizing the simulati.on technique Lo solve a problem (Figure 7). The
ínitial step is to clearly define Lhe problem and list the specific ob-
jectives or aims towards which efforts will be directed. This involves
setting hypoEheses that require testing and learning about the systen.
One must identify syst,em conponent.s, systern boundaries, types of inter-
actions that exisË among conponents, appropriate measures of system per-
formance and alternat,ive means available for achieving the objectives of
the systeu. The second step involves constructing an inilial systems
rnodel and incorporaLing into it Lhe knowledge of the relationships t.hat
was previously gained. Once this initial version is operational daÈa is
collected to represent the relationships conLained in the model. The
model is then refined. This involves expanding the scope and content of
Lhe nodel to Eore accurately represent. t.he real systern. These changes
normally come from the added knowledge accumulat,ed about the system over
the previous steps. The third step involves programming the nodel for
computer operation. This is a continuing operation or task as the nodel
is revised, expanded or refined. The fourth step involves Eesting the
model as to its accuracy in represent,ing the real systen. Questions
raised at t,his point, are: Does the nodel adequately represent the pro-
58 O. Wright, "Fami.ng Systens, Models and Sinulationtt, in sysÈems 4".1-ysis in Agricultural }lanagement, by J.B. Dent and J.R. Anderson, JohnI^Ii1ey & Sons, Inc., L97I, P. 24.
64
cesses it is intended Lo represenË,? Does it simulate reality? and, are
the results generated plausible and realistic? Tf. the oodel passes
these tests, it can then be used for experimentaËion. Here the problem
as described is put into the model and run. The final step involves
analysis of the results froro the experinent and testing the validity of
the hypothesis stated.
The forewarcd arror¿s in Figure 7 indicate the general movement, of this
process frou problern definition towards model application. The reverse
arrovrs indicat.e that the process is iterative or ttlearningtt in nature.
A prior stage night have Eo be repeated on the basis of new inforrnaËion
acquired during a subsequent stage. This iterative or "learning'r nature
of the simulatlon technique results in an ernpirical nodel that more
closely approximates the real system.
Given the specificaÈion of the rnodel jusË described the actual imple-
mentaËion of this procedure is now outlined. The process begins with
the explicit statement of the problem and statement of objectives. The
purpose of Ëhis study is to provide a tool t.o aid the farm rnanager in
the analysi.s and evaluaË,ion phase of the decision-nakj.ng process as i1-
lustrated in Figure 3.
ot
Fieure 7
The Methodology of Sim;l-ation
Problem
Formul-ation
Model
Construction
Val-idation
Experimen-
tation
66
4.2"2 Formulation of the Model
The variables to be considered by the rnodel are those parameters
which uake the individual enterprises or cropping systems unique. A
parËial 1ist. includes crop types, cultural pracEices, and machinery in-
ventory. These inputs are exogenous Èo the rnodel.
In order Ëo make the model useful to a wide range of potent,ial users
it is necessary to have a large body of coefficient, infornation r¡rhich
can be used to supplant any shorËfalls in the available data. With this
¡uethod it will be possible t,o obtain reasonable results with a ¡oÍnimurn
of descriptive data. Bul, more importanËly, the model should be able to
make maxiüuu use of all specific data which is available.
In addiËion to Ëhis default infornati.on t,here exist,s a body of coef-
ficients which are endogenous to the model. They have been built into
the model because of their axionatic nature and are are not expected to
change across users or circumstances. Thís informat,ion includes engi-
neering data on naehinery efficiency and the account,ing ident,ities nec-
essary to complete the analysis.
The fornulation of the functional relationship between input,s and
outputs result,s from the coefficient structure and accounEing fornula-
tion of the nodel. The model is conpletely deterministic and the inves-
tigation of sLochastic variables is available only through nanipulat.ion
by the user of infonoation supplied Eo the program.
67
4 .2 "3 Prograuming
Once the algoriLhn for the budgeting procedure has been outlÍned in
detail the translation into a couputer progran is a one to one roapping
of Èhe algorithnic specification inEo program language.
4.2.4 Validation and Verification
This sËage actually consisÈ,s of two part.s. VerificaËion is t,he pro-
cess of determining that the model is performing correctly and Ehat the
results are accurate. Validation is more difficult to quantify but it
simply amounts to deterroining whether or not the rnodel does indeed accu-
rately represent the essential elements of the sysLem being sinulaËed.
The Fam Budget, Generator will be verified Lo determine that the
coefficients estimated and tbe calculation procedures used are correct.
The validation procedure will be done by sirnulating historical produc-
tion sequences and comparing the result.s to the actual outcomes. The
sensitivity and direction of change of the input-ou.tput relationship
will be evaluated to det,ermine whether or noË Lhe results are consistent,
with observable facÈs and wiËh the basi.c rnicroeconomic theory of the
f irn.
4.2.5 Experimentation
The ultinate purpose of Èhe nodel is realized when it is put, into Ehe
hands of an actual decision maker and used to simulate the operation of
an existing (or hypothetical) farn. It is possible for Lhe farm manager
or researcher to vary differenE comPonents of the system, i.e. add uore
plant and equipnent, and deEernine the long and short range impacts of
his actions..
68
One unique characteristíc of the sinulation technique as pointed out
earlier is that it. does noE possess a precise algorithm for E.he attain-
ment of an optimum solution or anslrer. Ilowever, procedures have been
developed to systeuatically search Lhe entire decision space so t,hat t.he
optimum can be approached. These procedures can be grouped into four- 59classes:-- random nethods, experiment,al designs, learnÍ.ng devices and
hill clinbing procedures.
4.2.5.I Random Search
The sinplest procedure of this type is the Monte Carlo Method. This
method uses a random sarnpling process to choose specific values for the
decision variables consistent with Lhe const.rainEs Èhat. have been i¡o-
posed on the decision space. This is usually accomplished by assigning
equal probabilities (uniforrn probability distribution) to the seË of
feasible values for each decision variable and then using a random num-
ber generat.or E,o select specific values froro t,his distribution. These
values of the decision variables are budgeted to obt,ain a response t.hat
can be conpared t.o other responses obtai.ned in a sinilar uanner. The
set of alternatives which generates the highest (or lowest) response is
then chosen as the best.
A brief discussion of each procedure is presented by M. Boehlje, "0p-Ëinization and Decision Models: The Use of Statistical Search Proce-dures", Canadian Journal of Agricultural Economics, Ju1y, I973, PP.43-53.
59
69
4.2.5"2 Experimental Design
A number of experimental designs60 have been developed for response
surface analysis. Most Lend Ë,o use soae forur of sequential sanpling de-
sign to determine the optimum. The direction of the search is guided by
some form of response function that leads to successively higher points
until t,he maxj.mum is reached. These procedures are designed Eo reduce
the computational burden involved in locating t,he optinal point on the
response surface.
The cenLral couposite desigrr6l is one procedure used for response
surface investigaLion. It is a particular type of fractional factorial
design that, requires (ZK+Zf+t) treatment combinations, where K is Ëhe
number of independent variables. The only stipulation is t.hat the hy-
pothesized roodel should be a polynonial. 0nqe the regression equation
has been developed it can be used to map the response surface for any
levels of the variables. the optinal point can then be determined using
diff erentÍa1 calculus.
1. R.A. Fisher, The Design of Experiments, SÍxth EdiËion, Oliverand Boyd, 1951.
2. 0. Kempthorne, The Design and Analysj.s of Experinents, JohnI{iley & Sons, Inc., New York, L952.
1. J.S. Hunter, and T.H. Naylor, "Experimental Designs for Com-puter Simulat,ion ExperimenËs", Management Science, Vo1. 16,No. 7, 1970.
2. I^I.C. Cochrane and G.M. Cox, Experimental DesÍgns, Second Edí-tÍ.on, John l^iiley & Sons, Inc., L957.
60
61
70
4.2.5 "3 Learning Mechanism
The learning r..h.rrisr62 initially assigns a discrete rect.angular
probability distribution to all decision variables. A randou number
generator is then used to generate an out.cone or response which is then
coupared Ëo a norm. If the response of the current decision set is
higher Ë,han the norm of the previous responses, Ëhe learning paramet,er
values, ê.8., the probability, for that. particular set of decision va1-
ues are systeuatically adjust,ed upwards. This skews Ëhe probability
distribution so thaË there is a higher probability of choosing this par-
Ëicular value of the decision variable during subsequent. simulation ex-
perinents, and vice versa. After a number of iterations, the probabili-
ty distribution for each set of alternatives is skewed towards those
Lhat generate the highest response.
4.2.5.4 t1i11 Climbing
This technique uses a simple random procedure to select a set of a1-
ternaËives as well as an initial starting point (combinati.on of prod-
ucLs). A producL mj.x ratio t.hat specifies the relative proportions in
which production will increase if excess resources are available is also
selected. An iterative procedure, whereby Èhe production of products is
increased in a fi.xed ratio, is continued unt.il a consÈraint is reached.
To obtain a near opËiuum, a new rauio of products is randouly generated
and the procedure is repeated.
62-- A discussion of several types of learning mechanisms is given byScott B. Guthrie in "GLEAP: A Generalized Program for Game LearningSimulation", Behavioral ScÍence, Vo1. 13, 1968, pp. 336-342.
7L
The solution procedures described above provide near optinal solu-
tions for the model under given levels of independent variables, thus
facilitating the use of the proposed nodel framework in analysing Ehe
sËated problen" It is Lherefore the approach employed in application of
t,he model developed hereín. The following chapter is concerned with de-
scribing the model framework and its componenLs.
Chapter V
TITE EMPIRICA], MODEL
5.1 THE MATHEMATÏCAL STATE}ÍENT
The conceptual nature of t,he model is represented in equat.ion l0:
¡, (oirt " y'J = F'ttrtg' sit^tg (10)
IL is important to note Ehat Ehe following description of the concep-
tual model as presented in equation (10) outlines the structure of Ehe
decision space of the fino of which the empirical roodel forns only that
part which lends itself to quantifi.catlon. The ernpirical nodel in equa-
tion (I1) places only a very broad const,raint upon Ëhe alÈernatj.ves (ø)
available Ëo the entrepreneur. In the current configuration the enter-
prise nust fa11 vrithin the general descripti.on of a field crop produc-
t.ion enterprise which is either dryland or irrigated. However, the type
of resources (i), and their 1evel of usage (1) are chosen by the manager
as inpuËs specified for the conputer nodel. The tining (t) for an in-
tra-annual production period is not possible Ëo investigate within t,he
empirical modeL per se and uust be inferred by the user.
An iuportant departure which this nodel makes frou much of the work
which has been done in this field is in maintaining the characteristics
of the decj.sion-maker (Y) conpletely exogenous from the empirical node1.
Therefore, the rnodel does not ¡aake normative judgements concerning the
production process. These characteristics are left t,o the user of Ëhe
model at any particular t,ine (t) as no atËeupt Ís made Ëo measure the
-72-
73
relaÈive strength's of a particular enLrepreneur's various goals in any
Itranner.
The right side of equation (10) consists of measures of t,he outcome
of the production process. In using Ëhe model the analyst. specifies the
expected products (F, ) and their levei-s (1) based upon his expectaÈions
about Ëhe effects of exogenous random factors (¡.) in any time period
(t). For each of Ehese products the empírical nodel provides a finan-
cial valuation which the manager can then use to map into his personal
utility function to assess the goodness (g) of the result. sinilarly
Ehe a posteriori condition of the firm (S) is determined subjectively by
Ehe user from his evaluaË,ion of the resultant product.ion ( p). The pur-
pose of the eupirical model is not to represent the,se conceptual rela-
t,ionships but to aid Lhe decision maker in dealing with their complexÍ-
ty.
To make thís conceptual model quantitatively rneaningful requi.res a
transformat.íon into measurable variables. For a producing firm, the
alternatives open to the enLrepreneur (oi_ft) are assumed to be present
in the form of "production syst,ems". A production systen represents the
seE of inputs that are utilized in the producËion of a particular set of
ouÈputs lthe set of inputs nust be logical (consistenË) fron a technical
point of view]. A particular systeu is referred to as sysLem t,
(r:ren), in time period t, (t:tet). The 1eve1 of a particular produc-
tion systeu in any one tine period (S"a) is li¡oited by the available in-
puts (Irr) within the const,raínts placed on the systen.
The next set of variables (Yrfa ) relate to the nature of the deci-
sion-maker and how he perceives Lhe alternatives in relation to the al-
74
ternaEives in relation to some EulËi-dinensional objective. The Ëradi-
tional assumption of roaxirnizing dollar values was used in Ëhe nodel for-
nulation. This objective measured in terus of dollars is reflecËed in
the difference betr,reen selling some productive process and selling the
resources directly. This implies that the firrn want.s to maximize the
net value of production over tirae.
The first set of variables on the right hand side of equation 10 rep-
resents the probabilistic outcomes ( Fil l¡*) associated with Ehe produc-
tion systeüs. Given the objective of maximizing returns, variables that
can be used to Eeasure output are the do11ar value of saleable produce
(Y.* PY .- ) .Jv J r/
The second set of variables on the right side of equation 10 ( Qlffte)
represents the unique characteristics of the fi.rm that are carried for-
ward to Ëhe next production period. The result,s of any one production
period are dependent, upon t.he Lransformation that occurs within that
period as well as Lhe t,ransfonnaËions of previous periods. These char-
acteristics nay affect Ëhe alËernatives and objectives of t,he firm in
subsequent production periods.
The production space of the firm can be described as:
r( (srt ) (q"req"t ) )= 3 t¡r"rtj."
where:
1. Srt is the production system r in t,ime period E, This systen is
defined by the user of the model for the particular budget (peri-
od t) which is Ëo be produced. This definiÈion is effected
through the specification of a subset of tillage practices for
each field to be considered"
(11)
,)
75
I. , is available inpuE i (integer) needed for syst,eo r in periodartt, The input levels of capital equipment (land and machinery) as
well as seed and chemicals (fertilizer and pesËicide) are sup-
plied directly by the user of the progran for each field in each
tine period t.
J.
4.
PI. is prieer_rt
seË of prices :
in Appendix B.
Y. is outputJtJ
each product j
period t.
rnapping functÍon.
7. r:reR - where R is the number of
8. i:iel - where I is the number of
9. t:tgl - where T is the number of
10. j:jeJ - where J is the number of
of input i needed for system r in period t, This
is supplied internally within the roodel as outlined
j in period L, The level of output is supplied for
from each field for which a budgec is prepared in
5.
6.
PY.- is the.price of outpuE j in period L, This price infonnationJt/
ís supplied internally by the program as indicated in Appendix B.
f is the funct,ional relationship between the two sides of Lhe
equation, This function is the result of the individual relation-
ships which make up the model. The levels of input of labor tine
and required petroleum products are generaEed internally as a
funct,ion of the production sysËem S and the 1evel of output Y
specifÍed. The accounting identities in the nodel are used in
conjunction with the price information to compleËe the financial
possible production systems,
possible inpuËs,
ti.me periods,
possible outputs,
lI. e:eEE - where e is Ehe sËochast,ic influence fro¡r
the firm's cont.rol, and, where the objective is
ret,urns f rom a specif ied period of Ëj.rae.
76
variables beyond
to maximize net
5.2 APPLICATION
5.2.L Problem Formulation
To begin, Ehe farmer, either directly or Lhrough a questionnaire de-
scribes his farm. This description includes whatever detail is availa-
ble coacernÍ.ng the capiËal assets (i.e. rnachinery, land, and buildings),
as well as labor availability, and the stat,e of other financial resourc-
es. The program is able to ease t,his task considerably by providing de-
fault infornation which can be used to supplant any informaËion which
the manager is unable or unwilling to supply. This feature will also
enhance Lhe ease of use by individuals, such as researchers, who are
only interesËed in representative results for a class of far¡ns. This
default data will be estimated and adjusted to accurately reflect the
actual year being siroulated. Subsequent to the run the farmer will re-
ceive a report. of exactly what default inforuation $tas used for his par-
Ëicular run and will have Lhe opportunity to adjust it.
Once the productive assets of the farm have been described the farner
t,hen outlines a cropping programrne and tillage and culËural practices
associated with the production of each crop. The farmer will also
specify yietd levels for each field cropped. i^IiLh this rnerhod it is
possible for the farm manager to synthesize a great deal of subjective
information (concerning field conditions and weaLher expectations) into
one datum. This also places the responsibility for the consi.deration of
the stochastic elements of the production process upon Lhe
model.
77
user of the
Once t,his information is available to the progran it is then possible
Ëo determine the ret.urns to the enterprise. Total production is deter-
¡rined from field areas and user-supplied yield leve1s. The user is also
required to supply expecLed values for prices. IIe is Eherefore also re-
sponsible for the sLochasti.c elements of the narkeËing process. This
information coupled with general engineering relationships is used to
det,ermine returns above the variable costs of producing each crop. Af-
ter quota and tax consideraËions as well as fixed credit responsibili-
ties are meL then a figure is generated to reflect the estimated 1evel
of disposable income. At this point cont,rol is passed back to the farm-
er. Ile determines Ëhe effect of this result upon consunption 1eve1s and
decides. producÈion and invesËuent levels for the subsequenË year or ad-
ditional analysis for a given year. Thus the decision-maker and the
model interact through each time period in an int,eracÈive, dynamic,
learning process.
The learning process defines a system of which the farm manager and
Ëhe computer model are buË tr¡o conponenLs. A coupling of the inËuj-tion
and creativity of the hunan rrind with Ëhe fast and large information
processing capacity of the corputer Ehen night result in man-machine
synergism.63 u, "synergisro" ,nle mean the complex man-conputer inLerrela-
tionships which mây cause the man-machine systen to perforn better Ëhan
either man or conputer working alone. The learning uechanism together
with man-computer synergism may result in superior uanagement perform-
63.--"" Felsen, op. cit. p.8.
78
ance. Thus rnan and compuËer working together roay make bet,Ëer
rnânagement decisions than each could rnake alone.
5.2.2 Analysis
The ultiroate críteria for the evaluation of the performance of vari-
ous managenent strategies lies in Ehe utility function of the nanager.
This is extrenely imporËant when it is necessary to consider his subjec-
tive evaluation of risk.
Techniques have been devised to inLernalize the nanager's preference
space into Ëhe objective evaluation of the system. These nethods are
very difficult to apply efficiently and with generality. Therefore, Í.t
v¡as decided rather to provide the farm manager with results which are
merely componenËs of his t,ota1 utility. The farmer roust t,hen proceed to
evaluate this information in terms of his g1oba1 objectives and prefer-
ences and J-mplement subsequent. plans conditi.oned by each nerv set of re-
su1ts.
5.3 STRUCTURE OF THE MODEL
An existing computer model was found to contain most of the essenÈial
elements of t,he concepEual framework. The progran \{as fírst developed
by !ü.J Craddock in order to provide data needed for an Economic Councj.l
"t,rdy64 published in 1971. Since that time, modified and updated ver-
64 ".r.
Craddock, Interregional Competition in Canadian Cerea1 Produc-tion, Special SLudy No. 12, The Queen's Printer, 0ttawa, Canada,T97T.
65 c.n.t-ongmuir, 14.Senkiw, and A.D.Pokrant, C.F. Framingham, Crop Pro-
79
sions have been employed by D.o. Ford, c..F. Frauingh^r65 D.F. Kraft and
L.R. Rigaux. The author has assisted Ín constructing the current form
of the couputerized budgeË generator, prepared the documentatj-on and has
part.icipated in its application to study the cost of field crop produc-
t.ion in Manitoba.
The form reported in Crop Producti.o¡ Simulato€ had several defi-ciencies' solBe of which have been rnentÍoned in Chapter II. These short-
c.emmings arose nainly in the accuracy and in the useability of the pro-
gram. The accuracy problems were due Ëo the strategy of category
specificaLi-on used. This had been a product of its original research
orientation. the averaging error introduced by the categorizing process
T¿ras not serious when Ëhe results. presented \,rere aggregaËions of the
budgets frou a large number of fanos. unfortunately, this error is
unacceptable when preparing a budget for an individual farro farn.
Ifodifications were made to the prograra which both eased the task of
record coding and produced rnore accurat.e resulÈs. the actual sfze of
Ëhe ruachÍne is now coded insÈead on a size class number. Thus the pro-
gram noi,¡ uses the exacE size of the nachine for both capital cost ap-
praisal and operating cosË calculations. The default pricing is calcu-
lated by substi.tuting the size of the nachine into the regressÍon
equation, noTr esEimated on unit,s of machine size, Ë,o yield a unique
price for each uachine.
duct.i.on sinrulator_, Research Bulletin No. 78-2, Department of Agricur-IuraT ncono*icsãnd Fano Management, Faculty of AgricuJ-ture, univer-sity of Manitoba. trIinnipeg, Manit,oba. November 1978. pp.3-34.
Ibid.66
80
The L978 version of the model did not readily accepL additional
user-supplied inforroatj.on concerning uachi.nery purchase and rent,al pric-
es. This resulted in a model which failed to efficiently use avaj.lable
infornation and resulted in a high 1eve1 of user frustrati.on. The nodel
has been uodified to a1low the user t,o override the default priees sup-
plied for ov¡ned and renÈed rnachínery as well as custon r.¡ork raËes.
The second problem liniting the model's usefulness as a mânagement
decision aide was the difficulty one encounËered when trying to actually
use Lhe prograro. Part of this problem has been allevlated through Lhe
changes t.o t,he size coding previously described. To further facilitate
the entire coding procedure a pre-processor was writ.ten which can be in-
teractively execuËed under the University's PLI processor of Ëhe Tine
Sharing Opt,ion of the MVS operating system. The progran provides the
user with a series of questions regarding the physical description of
his far¡o and his production practices. The responses t.o these quesËions
are edited and then stored into the coding format requi.red by Ë,he crop
budget generat,or. i,IÍËh the' use of the pre-processor progran a person
having no pri.or experience with the coding convenËions is able to pre-
pare his farm description for processing.
The nodificaLions to Lhe crop production simulator have resulLed in a
nodel which is able t.o address Ehe objectives stated at Èhe outset in
Chapter I. The detailed structure of the uodel- which makes thÍs possíble
is delineated in Ëhe following section.
The model as summarized in Figure B is designed to calculate the t.o-
tal cost,s and gross returns of crop enËerprises. These results are then
used to comput,e net returns as well as certain performance indj.cators
81
for each enterprise. Each crop enterprise j.s analysed on a per field
basis. Both the fixed and variable costs of each field operation are
calcuLated and allocated t,o ËhaË fie1d. Machinery costs for each field
are a function of the age and size of the uachineryrpert,inent rental and
custon rates, as well as field size. Other input cosEs are determined
by the quantity and price of fertilizer, chemicals, and seed. Other
cosLs included are overhead costs as well as the cost.s associated with
owning or renti.ng t,he land. The net returns from a part,icular field are
calculated as gross returns or value of product,ion roi.nus the total cost
of that production. The results of each field growing a particular crop
are aggregated to present a picË,ure of the financial results of the en-
Ëire enterprise as illustrated in figure 9.
The most detailed cosË calculations involve those costs which are as-
sociated with the operaLion. and ownership of fano machinery. The pro-
ducer supplies information about the age and size of the nachine. This
in-fornaEion is used in conjunction with secondary infornat,ion about
pri-ce, field efficiency, repair cosEs, fuel consumpEion, depreciat,Íon,
eL ceËera, to calculate both fixed and variable costs. The costs are
then present,ed for each operation on every fie1d.
The urachinery costs calculated for each field are totalled by cost
category and included in the cost and return suumary presented for each
field. The machinery and other input costs are aggregated as variable
costs, cash costs, fixed costs and then as total production cost. The
variable costs are the total of all charges for fuel- and lubrication,
repairs, chenicals(including fertilízer, herbicide, and pesLicide) as
well as seed, twine, and labor. Cash costs are the sum of variable
ö¿
Iìi ørro R
Illustrative Description of Steps inBudget Generation
Average Retail Price Data producer Supplied physical Data
Average Regional Costs
Run Infornation
-Machinery Prices-Fertilizer Prices-Chenlcal Prices-Seed Prices-Seed Treatment Costs-F\.:.el Prices-Crop Prices
-Tì-Ilage Practices by Field.-Crops Grown by Field.-Crop Yields-Machinery Inventory by Type,
Year and Size-Optional- Price Information
-Investrnent i-n Land and.Buildì-ngs
-Overhead-Taxes
Estimate variable, fixed. and.and total- machinery costfield
-Fuel Consi.mption Esti.mates-Repai-r Estjmates-Lubrication Estimates-lnterest Rates-Depreciation Scheduf_es-Recornrnended Seeding Rates-Reco¡¡mended Herbi-cide Rates
Estimate cost of productiongross enterprise retr:rnsreturns to investment,labor, a:rd management
Sr:¡nmarize cost and returnsby field for the totalfarm
ö)
Figure 9
Elements of the Cost Report
Iï. Cost of Production
1 . F\.:.el and Lubrication2. Repairs3. Fertilizer+. Chemicals5. Seed Treatment Costs6. Seed. and Cleaning Costs7, Tw-ine Costs8. Labor9. Custom Charges
10. ïnterest Operating Capital11. Crop Insurarrce Prern-ium12. Drying Costs13. Equipment Rental Charges14. Rent15. Taxes16. Machinery Insurance17. Overhead, Miscellaneous18. Total Cash Costs19. ïnvestment, Land and Bulldings20. fnvestment, Machinery21 . Machinery Depreci-ation22. Total- Fixed Costs
23. Total- Costs
84
costs plus the cost of insurance, taxes, rent,, custom work charges, and
overhead costs. Fixed costs are the sum of taxes or rent, insurance,
overhead, depreciation, and investment. For each field this cost infor-
m¡Èion is presenËed along with a summary of the returns from the year's
product,ion. Both costs and returns are shown on a per acre basis for
each field. A summary table is also supplied which provides a weighted
average (by field area) of all fields wit,hin a particular cropping en-
terprise.
5.3.1 Calculations for Machinery
As staËed in the preceding section the ovmership and operation of
farn machinery incurs both fixed, and variable costs. Fixed costs con-
sisÈ of depreciation, insurance, and investment costs. Variable costs
consísË of fue1, lubrication and repairs as well as any labor and twine
cosLs associated with the operation.
A cash cost, of owning machi.nery is that of insurance. Since raachin-
ery must be proteeted from fire, accidents and other hazards the opera-
tor uust either bear this cost, or alternatively bear the long run costs
of such daroage directly.
If any nachinery is rented or hj.red as cusLom 'r¡ork this constitutes a
cash cost. These charges are usually specified on either a per acre or
per hour basis for the type of field operation.
Depreciation is not a cash cost to the farm operator. It is the loss
in value of nachinery over time due to obsolescence and deterioratj-on
due to use. 0f Ëhese tsro coroponents the firsu is a fixed cost and the
second is a variable cost of ownership. The depreciat,ion is deternined
85
from Ëhe currenL value and the age of t.he machine. Since the variable
and fixed components are extremely difficult to identify the total
depreciation is considered to be a fixed cost.
The investment cost incurred in the ownership of farru machinery is
considered whether or not it. occurs as an explicit or an inplicit cost.
InvestmenË. cost is explicit if it is comprised of the int.erest charged
on borrowed funds which are invested in the machine. If producer equity
was used to purehase the machine no actual interest. costs are realized.
The owner is rather foregoÍng income which could have been earned fro¡o
investuent in some other income generating asset. This 'opportunity
cost' is then allocated as an Ínvestment. cost of ovmership.
The'opport,unity' principle is also applied to assessing the cost of
labor required for crop productÍon. This labor cost is a function of
Ëhe ti¡ne spent operating farm nachinery and the current wage rate. The
wage rate assessed may be adjusted by the user to reflecE the effective
market value of alternative labor applicat,ions. Thi.s cost is either ex-
plicitly paid to hired labor or impliciEly paid to the operator and his
fanily members.
The operation of faru machinery also incurs cash costs for fue1, 1u-
brication, and repalrs. These costs are a functlon of the âgê, si.ze,
and usage of the machinery as well as prevailing prices for these in-
puts.
86
5.3.2 Other Input Cost Calculations
Crop production also involves both fixed and variable costs which are
not directly assoeiated r,7ith the operation of farm machinery. The fixed
costs include Ëhose which represent Ëaxes, overhead, and investment.
Variable costs are comprised of chemicals (fertilÍzer,
and pesticides), seed, rent.al charges, and twine costs.
Taxes and overhead are considered cash costs. Taxes are a function
of land assessnent and the rnill rate w1Ëhin the ruunícipality. Overhead
costs are those att,ribuÈable only Ëo the farm busj-ness and include t,he
f,arm' s share of hydro and telephone as well as insurance and other mis-
cellaneous expenses such as accounting charges and office supplies.
The investment cost for land is handled exactly the sane as that for
machi.nery. If it has been purchased r¡/ith borrowed funds, the interest
charged on the outst.anding balance is a cash cosE. As an opport,unity
cost of the owner's equity fixed in the asset it is a "non-cash" cost.
T,and rental payment,s as cas_h rent, are a fixed cash cost. This type
of arrangeoent has become t,he most conmon form of rental agreement. The
terms and cost of the lease are Èhe result of a landlord-tenant, negoti-
ated agreenenÈ. The second type of rental agreement commonly used is a
crop share agreement. This type of agreement is a variable cash cost Eo
the producer since it is a function of the field's production.
Renaining cash costs include chenical, and seed costs. These are a
function of field. area, and t,he rnanagemenL practices of the producer as
well as prevailing prices. Seed cosEs include seed cleaning and t.reat-
ment where applicable and also depend upon seed grade and application
rates " Because both field si.ze and management practices are field de-
pendenr these costs are also field specific.
87
The information required Ëo generate both total fixed and variable
costs for an enterprise analysis must include machinery, production, and
price information. Both fixed and variable costs uay agai.n be divided
into cash and ttnon-cash" cos Ls . This categorization 1s surnmarized j-n
Figure 10.
Fix
ed C
osts
Land
Tax
esC
ash
Ren
tal C
harg
es f
or L
and
Cas
h C
osts
O
verh
ead
Cos
tsM
achl
nery
fns
r-lra
nce
Inte
rest
Pa¡
rmen
ts o
n O
i^rn
edM
achi
nery
and
Lan
d M
ortg
ages
and
Loan
s
Fig
ure
10
Sun
rnar
y of
Cro
p an
d F
orag
e E
nter
pris
e fn
put
Cos
ts
Dep
reci
atio
n C
ost
ofN
on-C
ash
Cos
ts
Mac
hine
ryIn
vest
men
t C
ost
of M
achi
nery
and
Land
Oi^
rned
Var
iabl
-e C
osts
Sha
re R
enta
l- C
harg
esfo
r La
ndH
ired
Labo
r C
ost
Fer
tiliz
er
Cos
tC
hem
ical
Cos
tS
eed
Cos
tS
eed
Cfe
anin
g an
dT
reat
men
t C
ost
F\r
el-
and
Lubr
icat
ion
Cos
tsR
epai
r C
ost
Tw
ine
Cos
tF
arm
Ope
rato
r or
Fam
ily L
abor
Cus
tom
Cha
rges
CO co
89
5.3.3 "I.1gg of Output'r Calculatj.ons
The valuation of the enËerprise production is the product of the
yield, the total area of production and the price of the product. These
values are aggregated for all fields within Ehe enterprise to deternine
Ëhe gross value of product produced in a particular year and presented
as shov¡n in Figure 11.
5.3 "4 Return Indicat,ors
Once both Ëhe costs and returns of an enterprise have been deter-
nined, net returns are calculated as the difference between gross re-
turns and t.oÈa1 costs.
The rnodel provides a segregation of cosls for each field operation
and for each individual field. The aggregation of t,hese detailed cost
calculations provides an annual assessnent of the financial posÍ.tíon of
the entire enterprise in terms of total cost,s, gross returns and result-
ing net return values as shovm in figure 11
5.4 DEÎAILED COST/RETIIRN CAICTJLATIONS
The costs of operation and ownership of farn nachinery comprise a tna-
jor portion of the model. These costs are described separately from the
other costs ínvolved in crop production.
Prior to the estimaËion of the actual costs of operation and ovmer-
ship of the farm's uachinery, calculations \.¡ere necessary to determine
the usage 1evel of the machinery. This r¡Ias necessary since all of the
costs, both fixed and variable, are a function of usage.
90
Figure 1'1
Elements of the Return Analysis
III . Gross Retrrrns
24. Average Yield per Acre25. Average Pr"ice26. Crop Insurance Revenue27. Straw ($ per acre)28. Grazing ($ per acre)
Tota] Gross Returns
IV. Net Returns to Management
V. Returns to Labor and Management
VI. Returns to ïnvestmentLabor and Management
\fII . Retr:rns to InvestmentDepreciation, Labor and Management
5 .4 . t Prelirninary Calculat,ions
The costing for all field operations tras calculated as a function o.f
the time spent on each operation. The first computation required lhen
is to calculate the capacity of each uachine in terus of acres covered
per hour. Once this value has been, determined, the time required to
cover any field can be calculat.ed for each field operation.
5 .4 .1 . I Acres per hour
The algorithu used t.o calculate the field capacity in acres per hour is
not the sane for all types of field operations. For the purposes of
this calculation all field operations have been divided into Ëhree
91
classes. Each class, namely tractor dravrn implements and self-propelled
swaEhers, combines, Ërucks and wagons, are discussed in turn.
(1) Tractor-drawn implements and self-propelled swathers. This
class excludes PTO combines" The field capacity for all mnchines in
Èhis class is a funct,ion of :
a) rnachine size,
b) operatÍ.ng speed,
c) overlap,
d) field size, and
e) fiel¿ efficiency. Field efficiency6T i" a measure of Ehe re1-
ative productivity of a uachine under field conditions.
The najority of ti¡ne lost in Ëhe field is accounted for by:
1. turning., time spent $/ith the nachine in moEion while noË actually
perforning the tillage or other field operation. This loss is
increased as average field size decreases.
2. loading and unloadi.ng tine for such naterials as seed, chemicals,
grain and forage
3. unclogging plugged equipment
4. adjusting machinery
5. fueling and lubrication in excess of regular service time,
6. \"raiting f or other connponent,s of the operat,ion to be completed
7 . repai.ring rnaihinery
ASAE Farrq Management CommiLtee, I976 Agricultural EngineersYearbookr "AgriculË,ural Machinery Management Data"' A.merican Societyof Agricultural Engineers, St. Joseph, Michigan, I976.
.67
92
B. handling any other interruptions.
These considerations mean that the full capaeity of a nachine aË its
optirnal operarj.ng speed cannot be used. This efficiency is only consid-
ered in relation Eo actual field time and does not include nornal daily
service and uaj.ntenance. The theoretical field capacity is calculated
4Þ.
Theoretical Field
Capacity
( acres /hour )
[Machine l^IidËh (f eet) - Overlap (feet)]
x 0ptinal Operating Speed (mi1es per
hour / 8.25) (r2)
The net widÈh of the machine is the difference between the total machine
width and the overlap. This width when multiplied by norraal operating
speed provides the area covered in one hour. This is the theoretical
fíeld capacity expressed in Equatio+ (12). This square footage figure
divided by 43r560 (the square feet per acre) yields Lhe theoretical
field capacity. A sinplification of the calculation has already been
made in equaLion (12) Ëhrough division of the numerator and denouinator
by 5,280.
The next calculaÈj.on j.s t,hat of practical field capaciE,y. This is
the theoretical field capacity adjusted for efficiency. Field efficien-
cy is a function of both the machine type and field size.
To estimate field efficiency the faru urachinery is broken down into
six classes. These categories can be determined from Table 7 Appendix
A. The field efficiency equations associated with each of Ehese classes
is presenËed in Table 8 Appendix A. To determing Ëhe efficiency of a
particular field operat.ion the class determined frou Table 7 Appendix
93
A is used to .select t,he corresponding regression equaEi.on from Table 8
Appendix A. Once the correct equaËion Ís determined the field size is
substit,uËed in to determine the efficiency level. If this leve1 fa11s
beyond the range of efficiencies associat.ed with the esEination of the
particular equation ttren the leve1 is set at the upper Linit of the
range. The practical or effective field capacity is then the producË of
the theoretical field capacity and the calculated efficiency of the par-
ticular field operation. The t,ime requi.red for field operations is ca1-
culated to include only those factors previously mentioned. The physi-
cal disEribution of farm land operated has a significant impact upon the
average travel time between fields. The scheduling and sequeneing of
field operations can substantially a1t,er t.he total time involved in
highway travel. At present iË is beyond the scope of the presenË model
Ëo accurately assess this efficiency 1oss. Therefore Ehe onus is plaeed
upon the user of Ehe nodel to consider Ehis Ëine loss when interpreting
the results.
(2) Conbines. A previous study conducted by Craddo"k6S ""gtessed
theoreËi.ca1 capacities for combines. Since material handling is an im-
portant facet of combine efficiency, yíeld, as well as field size was
necessary Eo estimate the practical field capacity. The size classes
and the corresponding equations used Lo estimate the effect of yield on
fietd capacity are as follows:
1. separaEing area < 10,000 square inches,
Acres/hour = 7.87 - 0.76 x yield
I,I.J. Craddock, Interregional ComPeËiÈ,iontj.on, Special Study No.12, oÈtawa: Queen'
in Canadi.an Cereal-s Printer, i971.
68 Produc-
94
10,000 square inches ( separati.ng area <15r000 square inches,
Acres/hour = 7.47I '0.48 x yield
3. separating area > 15,000 square inches.
Acres/hour = 8.74 - 0.58 x yield
The practical field capacity of a combine is estimated from the sepa-
rating area and the yield of Ë.he crop. The separating area classes t,he
combine by size to identify the appropriat,e regression equation. The
theoretical acres per hour are then calculaËed frorn the yield of t,he
crop.
Delays result in field efficiency loss in harvesting as with other
field operaÈions. Regression equation (5) in Table 8 Appendix A had
been esti¡oated t,o calculate the efficiency leve1. The uPper range of
efficiencies from which this equaËion was estiuated was 1.00. Therefore
if the efficiency factor calculated by this equation has a value greaËer
than 1.00 then it is set equal to 1.00. The product of this efficiency
factor and t.he t,heoretical capacity results in the acÈua1 harvesting
field capacity of the combine.
(3) Trucks and wagons. The effecÈive field capacity of trucks
when hauling produce fron field to storage to narket, is a funcEion of
box capacity, distance travelled, and average operating speed. If the
product is valued aË the market then the time required for transloading
on Ehe faru and t,ravel time as well as unload time must also be consid-
ered. For cereal and oilseed production the Èime sPent loading the
truck in the field does noL contribute substanLially to the EoLal tine
involved in the Erucking operation. Therefore t,he effective field ca-
,)
pacity can be expressed as:
95
Field
Capacity = (yie1d/capacity) { [ (distancex2) / 30J+I .251 ( r3)
tr{here Lhe field capacity expressed in acres per hour is the reciprocal
of the number of loads times the amount, of Eime required for each load.
The number of loads is the yield of the crop divided by the capacity of
the truck box. The Ëiroe required per load is the one r¡ray distance from
field to st.orage doubled and divided by an average road speed of 30
uiles per hour plus 1.25 hours for loading and t.ravel to narket as well
as back t,o the fano. Because infornation for indivÍdual farm to market
distances was not avaiLable an average distance of 1069 rnj.les r¡Ias as-
sumed wiËh a travel speed of 30 miles per hour to derive the 1.25 hours
spent loading, unloadi.ng, and driving the round trip.
The tine spent loading the truck in the field contributes substan-
tia1ly Ëo the total tine involved in the trucking operation when har-
vesting such products as potatoes, sugar beets, or silage. When the
produce is harvested directly into the truck or wagon the effective
field capacity of the truck is less than or equal to the effective har-
vesting capacity. I^Ihen harvesting such crops the following fornula is
used to consider the tine spent loading the t,ruck from Ehe harvesËer:
Field Capacity = [yield/box size] [(box si.ze/harvest capacity
x yield) * 2 x distance / SO + I.251
(1s)
E.i^I. Tyrchniewicz, A.I1 . Butler, and 0.P. Tangri, The Cost of Trans-porting Graín by Farn Truck, Research Report No. 8 (Winnipeg: Cen¡erfor transportation SLudies, University of Manitoba, July, 1971).
69
96
The first part of the calculaËj-on determines t.he number of loads which
must be transported from the field. The box size is the mean box capac-
iËy of all trucks used in the harvesting operation. The second compo-
nent of the equation calculaLes the time required to fill the average
size truck box. The rime required t.o haul from Ehe field to st.orage is
calculated as that distance divided by average speed of 30 roiles per
hour. The additionaL L.25 hours per load is that tine required t,o
transload Ëhe product at, farm sËorage as well as travel and unload aL
the terminus of another 10 nile haul.
The calculation of the field capacity for non-mechanical bale wagons
is sinilar to the corresponding ealculation for t,rucks.
Acres per
Ilour
t4.0/ (one way distance x 2) + (wagon
= (tons))/3 x 4l x [I,Iagon Capacity (tons)/
Yield (tons per acre)l x L/2 ( 16)
The first secEion of lhe equation calculates the nuuber.of loads which
nay be t,ransported fron field to storage per hour. The second couponent
represents the equíva1ent, dist,ance which could be travelled during t,he
time it takes two people to unload a 1oad. The final couponent is a
calculat,ion of the field area necessary to provide enough bales to fill
a r,ragon. The area which can be covered by one man, t,hen, is half of the
product of the loads which can be transported per hour and the area re-
quired to fill a load. This, again is because the estinated times assume
that two ruen are hauling the bales to provide for loading and unloading
Ëhe wagon.
97
The effective field capacity for mechanj-cal bale vragons is similar to
the manual operation but with a different set. of assumptions. The com-
putat.i.on is perforroed by the folowing equation:
Acres per
Hour
= [8.O/(one-v¡ay distance x 2) + (wagon capacity/6.0
x 8l x [I^]agon Capacity (tons)/yief¿
(Tons per acre)i ( 18)
IE is assumed that eight miles per hour would represent the average
travelling speed and that loading and unloading a three ton wagori would
require one man an hour and a half. The first line of the equation rep-
resents the distance which could have been Lravelled during Ëhe period
required Eo load and unload the wagon. The field to storage distance s
added Ëo the denominator of this expressión to determine the total
equivalent dj.stance per load. The quoti.ent, of this calculation repre-
sents Ëhe number of loads per hour which can be hauled. The second part
of the equation determínes the field area required to fill a \¡ragon which
is a functi.on of the crop yield. The final producË. is the number of
acres per hour a r¡an can harvest $7ith a mechanical bale r¡Iagon.
(4) Custom work. The cost of any custom work which is indicat-
ed by the user is estiuated by first calculating the effective field ca-
pacity of the uachine in the same tnanner as f or or.med machines. Once
Ëhis is done, supplied or default cusËom rates are applied to Lhe resulL
to calculat.e a charge Per acre for the r^¡ork hired.
98
5.4.L.2 Time required per field operation
It is import,ant to note that the effective field capacity of each me-
chine is calculated for each individual field. This value is used to
deterrnine the tine required to complete the field operations. When t,he
field size is divided by ehe effective field capacity and multiplied by
the number of times the operation $ras perforned the total number of
hours requi-red to cooplete the operat.ion is calculat,ed for that particu-
1ar machine.
5.4.2 Machinery Cost CalculatÍons
Costs have been divided into:
1. Operating or variable costs
2. Ownership or fixed costs
5.4.2.L Variable Costs
The variable costs of ¡oachine operation have been further divided
inËo the following four major componenLs:
1. 1abor,
2. fuel and lubrication,
3. repairs,
4. custon charges.
(1) Labor. It is difficult t,o associate a specific labor tirue
wiËh individual tasks due t,o individual work rate variaLions. Alnost.
all of the labor required for the production of field crops is associat-
ed wit.h Ëhe preparaLj.on, operation, or maintenance of farm rnachinery.
The following equation (18) was derived Èo express this relationship:
Labortime=C+luf+R, ( 1B)
99
Where:
l{=
Ehe auount of labor required for nachinery preparation for
field work. This val-ue includes Ei.me spent removing and re-
turni-ng the rnachine to storage as well as travel time to and
from the field. The values of C are nearly constant for any
type of machine regardless of farm size. A typical value of
C would be 20 hours per year.
labor tj.me associaLed with the operation of the machine in
Lhe field, including turning, loading and unloading and mak-
ing adjustments. This aspect of labor time is affected by
field size and is adjusted to reflect field efficiency.
ft = the time required for ¡naintenance, servicing and repairs.
Consultation with the staff in the Department of Agricultur-
al Economics and Farn Business Management at the University
of Manitoba determined that a reasonable estirnate of R would
be 0.85 per cenË of operating tine for tract,ors and 1.7 per
cenË of operating t,ime for all other implements.
An adjusted labor time coefficient was developed
tnent t,o derive the actual labor time associated wich the
each operating hour. The equalion is then:
C + M + R = Labor Adjustrnent FacEor
for each inple-
value of M for
20
100
The total labor required by each índividual field operati.on is the
producE of the hours of operation on a given field times the associated
labor coefficient for that machine. The total labor for each field is
accumulat.ed for each operaËion perforroed on that field. The labor cost
associated with the field ís this Lotal labor Èime nultiplied by Ëhe
given \^rage rat.e
(2) Fuel and lubrication costs. The fuel consumption of any rnachine
is a function of both Ëhe povrer rat,ing of the engine and the load which
is placed on Ëhe engine. Considering these factors the fuel consumpt.ion
of each different power source was determined. The five classes of pow-
er sources considered are: tractors, trucks, self-propelled combines,
self-propelled swathers as well as sprayers and self-propelled bale wag-
ons
(i) TracÈors. Nebraska Tractor Test daLa r,ras regressed in order to
det,erroine the function for the fuel consuuption levels of gasoline and
diesel powered Ëractors. DaËa was used covering test results frou the
year L970 until July, 1980.
The power sizes for diesel tractors r,ras eategorized into 10 H.P. in-
tervals over Lhe range fron 50 to 250 H.P. with provision for pol¡rer
units beyond this range. A single relationship was estiroated to cover
gas tract.ors f rom zero to 40 drawbar H.P. From 40 to 90 I1 .P. the por¿rer
sized were classed in 10 H.P. incremenEs. A single equaEion was used for
sizes larger Ehan 90 II.P.
A regression analysis was perforrued on the Eractors sorted into the
previously nentioned classes. Fuel consumpËion l^¡as noted at 100, 75,
and 50 percent load. The equation was estinated in each class with fuel
101
consunpË,ion as a funct,ion of percent load. The result,s of the study ap-
pear in Table (10) Appendix A.
inlhen esËimat.ing the fuel se¡sumpt,ion of a tractor drawing an imple-
ment is is necessary t,o have infornation regardi.ng the draft of t.he im-
plenent in order to estimate Ehe load on the engine. The draft per foot
for different impleuents is listed in Table (7) Appendix A on both heavy
and light t,ext,ured soils. Therefore, the Drawbar H.P. required to pul1
an implement is computed as the width of the implenent times the draft
per foot on light or heavy soi.l times the fraction of light or heavy
soi1. This flgure is then divided by Ëhe drawbar H.P. available Ëo ar-
rive at the percent load on uhe tractor. The appropriate regression
equation frou Table 10 Appendix A is selected and used to estirnate the
fuel consumption in terms of gallons per hour. The fuel consumption is
divided by the effective field capacity of the machine to determine Ehe
fuel consumed on a rrper acre" basis. This figure is sinply nultiplied
by lhe number of times t.he operatíon Ís perforned to arrive at a fuel
consumption figure for the completed field operation.
(ii) Trucks. The truck sizes considered are one-half ton, one ton,
trùo ton, three ton, as r.¡e11 as larger tandems. The fuel consumption of
Ëhese trucks per hour is given in Table 10 Appendix A. The costing for
the field is reduced to a per acre basis by dividing the estj.rnated fuel
consunþtion figure by the effecÈive field capacity.
(j.ii) Self-propelled combines. The est,ination of combine fuel con-
sumpt,ion was done on a basis similar to that for trucks except Ëhat the
size classÍfications \^rere based on rnachine separating area. The classes
used represent combines with separaËing areas from 7,000 to 16'000
. ro2
square inches in 1000 square inch incremenËs with equations also esti-
rnated for combj.ne sizes outside of this range. The fuel consumption on
a rrper hour" basis is listed in Table 10 Appendix A. This infonnaËion
when considered with the effective harvesting capacity of the combine
can be used t,o calculate the fuel consumption on a "per acrett basis.
(iv) Self-propelled swat.hers and sprayers. The variation among the
,fuel consumptlon of self-propelled swaËhers is very sna1l and a value of
1.75 gallons of fuel per hour is used in the node1.70
Self-propelled sprayers come in basically t'wo sizes. The smaller
size category is assumed to also consuue I.75 gallons per hour. The
larger size class of self-propelled diesel sprayers is considered to be
used mainly for custon operations and i.s not included in the nodel for
owner operaEed equipment. The fuel consumption figure for both swathers
and sprayers ís divided by t,he effective fíe1d capacity to calculate
fuel consumption per acre
(v) Self-propelled bale Ì.ragons. The fuel consr.rmption equation for
self-propelled bale wagons is assumed to be the same as that for a Èrac-
Èor with the same por¡rer. The load placed on the bale wagon engine was
estiuated to be 75 percent. As with all other nachines the fuel con-
sumption cost per acre is the resulti.ng consumption per hour calculated
from the fuel consumption equation divided by the effective field capac-
ity in acres per hour
Once the fuel consumption for each machine is couputed the total fuel
consumption per acre is sÍup1y calculated as the sum of each machine for
each time over the field. The total cost per acre is that sum times Ëhe
70 "..1.
Craddock, op.cit., p.114.
103
gost of fuel. Further uultiplicat.ion by field size gi.ves us Ëhe total
fuel cosË for the entire field.
Lubrication costs, including filters, have been estimated as 15 per-
cent of the total cosÈ of fuel- consumed by a parËicular r"chirr".7l
Therefore Ehe lubricat,ion costs associated with a particular field oper-
ation is calculated as 15 pereent of the fuel cost associated r^rith that
oPeration.
(3) Repairs. The accurate estimation of repair costs is extremely
difficult. The method used in this nodel is based on exponential annual
repair equations published in the Agricultural Engineers Y.arbook.72
The rnachinery is classed into seven categorÍ.es and an equation was
derived Èo est,imate the wear-out, life used to date. The resulË express-
es accumulated repai.r cost. as a percentage of list price. For example,
the percent, of wêar-out life is computed as 100 times the rnachine's age
times the actual calculated annual hours of use divided by the wear out
life fron Table 7 Appendix A Then frou Table 9 Appendix A the appropri-
ate repair equatÍon is selected. This is used to select Ëhe correct re-
pair equation from Table 9 Appendix A. This equat.ion is used to calcu-
late total accumulated repair cost percentage for both year n and year
n-l , where n represent,s t,he age of the machine ln years. The difference
beËr,¡een these two figures gives Ëhe annual repair cost for year n as a
percentage of list price. This figure divided by 100 and nultiplied by
Ëhe new price gives an estimate of the net repair costs incurred in the
currenË year.
A.S.A.E. Farn Machinery Managemenl
rbid.
7L
72
Conmittee, op.cit., p.355.
104
Repair costs are allocated on a per acre basis Ë.o each field in
proportion to the fraction of total usage ti.me spent on that field.
(4) Custom charges are included as a variable cash roachinery cost
because they offer an alternative to the costs associated with the ovm-
ership and operation of farn machinery. Most of the rental charges ex-
cept as noted in Table 11 are from the 1979 edition of Rental and Custom
Charges for Faru l,lachinery.T3 t noËable exclusion from this table is the
rate for custon trucking. For this operation the charge of 4.5 cents
per bushel for Ëhe fj.rst 3 niles plus 0.5 cents per bushel for each ad-
ditional mile was tr""d.74
The difference between rental rates and custom charges used for farm
nachinery in the nodel are a function of the specified wage rate. The
rental charge rnay be specif ied on a per hour or a per acre basis. I,Ihen
a Per acre charge is specified the fíeld capacity of the machine is used
Lo calculate Lhe corresponding charge per hour. trIhen a custom operaEion
is specified for a drawn implement a rental charge is included for a
tractor at Ëhe specified rate per H.P. hour. Both renË,al and custom
co¡obines are described in Lerms of their separaËing capacity expressed
in Ëhousands of square inches.
The costing for each cusÈon operation is handled separat,ely and is
included as a variable cost.
l.{anit,oba Department of Agriculture, Rent.al and CusËom Charges f orFarro Machinery, Technical Servj.ces Branch, ManiËoba Department of Ag-riculture, I979.
SaskaEchewan Department. of Agri.culture, Farm Machinery Custom andRental RaËes: I979 Det.aÍled Supplement, Marketing and EconomicsBranch. negÉ"", Saskatchewan. Ig7g.
73
74
105
5 .4 .2.2 Fixed Costs
The calculatj.on of fixed cost.s is difficult and uncertain for maûy
farmers and hence, is often overlooked when determining ownership costs.
Figure LZ illustrates the importance of the fixed costs conponent to
owning and operating raachinery. The fixed costs associated with the
otmership of farm roachinery have been subdivided into the following com-
ponents:
f. insurance
2. depreciation
3. investment or opportunity cost
Figure Typical Farn Machinery Costs
FueJ andLubrication
26%
Soutce: "Machinerg 1lanagetrr.nt,,Machíne Opetation, John Deere,
, FundamentaLs of7975, p. 57.
106
l. Insurance cost. The current value of the machine is first calcu-
lated as the new price minus the EoËal accumulated depreciat.ion. The
current value is then nultiplied by 0,003975 to calculate the premiuu
required. The insurance premìum is divided by the Ëota1 number of acres
on the farm and allocated equally across every acre of the farm. This
is necessary because although the nachine nay not be used for any par-
ti-cular farm ent,erprise, the cost of ownership uust be borne by the en-
tire farm uni.t.
2. Depreciat,i.on. As previously mentioned, depreciaÈion is the loss
in value over time due to wear and obsolescence. the loss due to obso-
lescence is a fixed cost and alt,hough the loss due Eo v¡ear is a variable
cost its contribution to Ëhe total loss in value is difficult t,o deËer-
mine. Therefore depreciation has been completely allocated as a fixed
cost. This loss in value can be represent"d "",76
Depreciation / ¡ = (V1-V2) / (tl-t2) (21 )
The sirnplesE roethod of calculaËing depreci.aÈion is that of a st,raight
line approach. The underlying assumption is that Ehe nachine loses val-
ue aE a constant rate over its useful life. While this neËhod has seri.-
ous limitatíons for use in farn manageuent it is a straight forward and
accepted accounting procedure. For lhis reason iË was chosen for the
validation phase of Ëhe study. The schedules used for this method are
This figure was obtained from competitive raÈes offered by severaltlinnípeg insurance companies for general farm machinery insurance.L979.
Lloyd Andruchow and J. Shortreed, Farm l'fachinery Costs, Marketing In-telligence Division, Product,ion Economics Branch, Alberta DeparËEentof Agriculture. 1976, p.5.
75
76
ro711
those specified by Revenue Canada." This method. of calculating d.epreci-
ation can be more properly termed the calculation of Ëhe capital cost
al-lowance for the machi.nery. The capital cost allowance for any year is
sirnply the product of the new list price times the specified deprecia-
tion rate tiroes The nuuber of years of or'mership.
The capital cost is allocated equally across the total acres of the
fann. The distribution of capit.al cost in this fashion is consist.ent
wiËh Ëhe allocation of machinery insurance costs because the entire farro
unit must bear the costs of ownership.
The straight line nethod of calculating depreciation is sinple and
consistenL wiLh conventional accounËing procedures. Ilowever, enpirical.78 -research'- has deuonstraEed that iE does not gi.ve an accurat,e indication
of the true loss in value of farm machinery over ti-me. To achi.eve a
more realistic approxi.mation Eo actual depreciation the nodel has op-
Ë.ionally available ernpirically estimated depreeiation functíorr".79 for
t.ractors and three cl-asses of far¡o machinery
The top equation in figure 13 was est,i.ruat,ed Eo represent the depreci-
ation cosË of Ëractor ownership. Other farm raachi.nery can be matched
with the appropriate function through the use of Table 11 Appendix A.
The renaining value is Ëhen calculated with the function for both the
current year n and year n-I. The difference betv¡een these two values is
Èhe actual net, depreciation experienced in the current, year. This value
is then allocated to the cropping enterprises on a "per acre" basis as
Revenue Canada, Farner'sPrinter, Ottawa, L976).
Andruchow and Shortreed,
Ibid. , p.6
and Fishernan's Income77
78
79
loc.cit.
Tax Guide, (Queen's
r08
rÀ7iLh the capital cost allor¡rance.
3. rnvestment or opportunity cost. rnterest costs occur in two
forns. if the asset has been acquired with borrowed capital then a di-rect cash investnent cost is assessed for the itero. If the asseE isovmed as part of the operaËor's equity in the business then there iscapiËal involved which could have been carnrni ¡¡sd to earning a guaranteed.
incoue through an alternate investment,.
Because the ¡oodeI does not request information regarding the equity
position of the farmer it is not possible to differentiat.e acgual inter:est charges frou opportunity cost. Therefore a common interest rate isapplied Eo Ëhe t.otal current value of the asset and allocated as a fixed
cost Ëo the enterprises associated with it on a proporËionaEe basis over
field area.
Ïo estimate machinery investment the current value is deternined. as
the replacemenË cosË of the nachine less the total accumulated. deprecia-
tion. This roet,hod, is but one way of calculating this value and \¡ras
deemed to represenE a more accurate assessment of the value of the na-
chine Ehan methods which depreciate the original purchase price to de-
rive a "booktt value for Ëhe equipnent.
The investmenË cost is allocated across all fields. This assures
that the total cost of the invesEnenË is carried by soue segment. of the
farn business.
109
(Û
mod
Sro'-l.qlJc) crl(do=c)g3Fr q)dz
çFrOocrr C)
h0codoÐ-l O(dc)>hob0 Ê{
'i'¡l(d
od
Figure 1J
Remaining Values for Farm Machinery as aPereentage of New Cost
îractors - Group 4
= 87 (o .92)n
¿-
R.F.V.
Group 1
R.F.V. = 84.7 (o.8Bl)n
= Tj.4 (0.885)"
Group J -ElT ( .B8r)'
^1)7¿r 1) B 91011121j14 1'6 iT 1 10 )^Age in Years (n)
Refer to Table 1, Appendix A, for description of machlnery groupi-ngswhich are used for depreciation.
1I0
5.4.3 Input Cost CalculaËions
The costs associated with the ownership and operation of farrn nachin-
ery cornprise only a portion of the Ëotal cosLs of crop production. The
rernaining varj.able costs are calculated on a "per field" basis and de-
scribed in the following sections.
5.4.3.1 Variable costs
1. Fertilizer cosËs. Fertilizer costs are a function of the price
and quantiEy of fertilizer applied on a partj-cular field. Each ferti-
lizer formulation has a specific code associated with it as indicated in
Table t3 Appendix B. The user specifies the type .åä" rrr¿ the quantity
applied to Ëhe fie1d. The type is then natched to a previously speci-
fied price and the product of the quanËity, price, and field size gives
Èhe total cost of fertilizing the field. In the event thaË Ëhe exact
formulation is not listed in Table 13 Appendix B then any other fornula-
t,ion may be specified as ils analysis in terms of nitrogen (N), phos-
phoric aci-d (P), potash (K), and sulphur (S). trlhen this nethod is used
an average cost per pound is determined on the basis of the proportional
cost of the specified conponents
1. Cheuical costs. Another major variable cost of crop production
is that of the herbícides, fungicides, and insecticides necessary to
produce and co protect Lhe crop. Conceptually fertilizer costs could
fall under this category but because they comprise such a najor cost
component,, they are lisLed separaÈely from other cheraical expenses. The
che¡ricaI codes available for different, Eypes of pesticides are list.ed in
111
Table 14 Appendix B. The code nuober relates a price to the cheuical
type. The rate in active ounces per acre at which the chexËLca1 is ap-
plied may be supplied by the user. Alternatively a table of reconnended
rates is j.ncluded in the progran r,¡hich nay be defaulËed at t.he user's
option. Ifhen rate and price have been determined their product gÍves a
cost per acre. when this cost is roultiplied by field size Ëhe total
cosË for the field is the result,.
3. Seed cosLs. The total cost of seed like the oËher variable in-
puls is a function of rate, price and tot,al area seeded. If the faruer
uses his own seed the costs of seed cleaning and treatment may be in-
cluded separately from Ehe seed cost. it.self. In the case of cornmercÍ.al,
certified, registered, or foundation seed t,he costs of cleaning, treat-
ment, and innoculation are generally assumed to be included in the price
of the seed.
4. Tv¡ine costs. The cost of twine used in baling a crop is also a
funcËion of the price of the twine and the total area of the fieId. The
rat.e at, which twine is used per acre is itself a function of the yield
of the crop. The cost of twíne per acre for square bales is calculated
Cost of twine = Yield x 2000 / gale weight / 588 x Twine Cost Q2)
The cost of twÍne per acre for round bales is calculated usiag the same
equation. It is assumed t,haË. a bale of twine could tie 33 round bales
insËead of 588 square bales which use L7 feet of twine per ba1e. The
resulË of Equation (22) is used to calculat.e Lhe twine cosË for the en-
tire field by nultiplying the Ë,wine cost per acre by the number of acres
in Èhe field.
r72
5.4 "3 "2 Fixed costs
The following sections deals with the calculation of the non-machin-
ery fixed cost components of the crop production process. These conpo-
nents include taxes, overhead, investmenË costs and cash rerital charges.
1. Land t,axes. If the farmer owns the land which he operat.ed the
land t,axes represent a fixed cost to his enEerprise. Land taxes for im-
proved and unimproved land are determined from operaEing taxes within
thaÈ municipality for that year. Table 16 Appendix B summarizes t.he
Ëaxes per improved acre for the 106 ruunicipalities in Manitoba for 1979.
The per acre tax rate is calculated by the product of the tax nill rate
and the average land assessnent for iroproved land is nultiplied by the
number of improved,acres Ë,o determine the total land tax cost..
2. Investment cost of land and buildings. The cost of the owner's
invesËroent in land and buildings nay occur as either a direct or an im-
plicit cost, Eo the ov¡ner. Since no equity infornation is requested of
the user the program does not distinguish between the i.nËerest cost of
land and buildings purchased with borrowed capital or the opportunÍ"ty
cost of equiËy capital.
The average value of farm land and buildings on a per acre basis is
published annually in the Manitoba Agriculture Yearbook by the l"lanitoba
Department of AgriculËure. These figures have been adjusted to reflect
only the value of buildings and improved land. Since Ëhese figures are
presented on a "per acre" basis t.he appropriate crop disÈrict value de-
terrni nes an average cost estimate for Èhe particular farm.
It is possible to enËer actual valuation estim¡tes for the land and
buildings as well as for all other parameters of Ëhe model. However,
113
the emphasis of the present model is the ability to operate where no
such information is available. Therefore Lhe present configurat,ion of
the program does not specifically request this data from the user.
3. Overhead cosËs. Overhead costs account for the balance of the
cost items whi.ch musË be assessed against the various farm enterprises.
Overhead includes such iterns as hydro, Lelephone, accounting and legal
expenses etc. Overhead costs are classified as fixed costs since in
most cases they are not direct,ly ËÍed to production levels.
The overhead costs were determined for each farm size in each crop
district as a percentage of tocal capital investment8o ir, land, build-
ings and machinery. For f arm size I the overhead r,ras calculated as
2.26%8I of farn capital stock. This faru overhead tot,al was then divid-
ed by the nedian number of inproved acres Eo deteruine the overhead
costs in dollars per improved acre. The respective percenEage values
for faru size II and III were I.647" and 1.30% respectively. The three
farn sizes consÍdered were 0'239 acres, 240-759 acres, and over 759
acres. The total overhead cost, is determined by selecting the appropri-
ate farm size and crop dist,rict and rnultiplying this value by the total
number of acres on the farm.
1979 values $rere determined by D. McNair, DepË. of Agricultural Eco-nomics and Farm ManagemenË, University of I'lanitoba from Lhe applica-tion of the Elasticity Price Index Eo Eaterial from Popul-ation A.re-age and Assessments for the Year 1977, SËatistics Canada PublicationNo.92-831, L977. p.6.
C.F. Frarningham, J.II . MacMillan and D.J. Sandell, The Interlake Fact,I{ignell Printing Lirnited, tr{innipeg, Manitoba, November, 1970. pP. 66
and 70.
80
B1
rt4
4. Cash rent.al charges f or land. Rental agreements betr,¡een landlord
and tenant involving both cash and crop share paynenËs are comrnon in
Manitoba. Unfortunately the variety of such agreemenËs mekes it very
difficult to provide the flexibility wiEhin a conputer model to meet any
possible contingency. Therefore the onus is placed upon the user of the
model t,o specify an equivalent value cash renË when an acË,ual cash
agreenent, is not the case. Since yield levels are deterruined a priori
to program executj.on this procedure is a straight forward calculation of
the landlord's crop share valued in cash terns.
once a calculated or actual cash rent is deternined then Ë,he value is
applied to the acreage of those fÍe1ds which are actually renled to de-
terro-ine t,otal land rental cost.
The preceeding sect,Íons have delineaËed the actual neËhodology and
some of. the assumptions associated with the determination of both fixed
and variable cost of crop production on a certain fie1d. To deteruine
the cost of produeing a particular crop Ehe fixed and variable costs
from each field engaged in producing that crop are totaled. The total
farm costs are correspondingly aggregaLed across all farn enterprises.
5.4.3.3 Value of output calculatlons
The net returns from the various crop enterprises on the farn are de-
fined as Ehe difference between Lhe costs and returns for that enter-
prise. The cost estimation procedure for producíng individual field
crops has been dealt with in the preceeding sect,ions. Therefore, it re-
mains to esËimate the value of t.he outPut produced by field' enter-
prise, and farm. The value of the crops produced from a Particular
115
cropping enterprÍse is a function of the yield and the price of the crop
as well as the number of acres upon which it is produced. Due Ëo the
eomplexity of estimating a production for field crops no attenpt has
been made to generaËe crop yields endogenous to the ruodel. A greater
degree of flexibility and accuracy is achieved through user speeified
yield levels. tr{hen a farner specifies expected yields he is able t.o
consider a host of factors which would not be praetical Lo specify in a
yield generating sub-roodel i.e. intra-fie1d productivity variat.ions due
to saline sr.reeps et, cetera.
The deter¡oinatÍon of an average price for the products produced is a
more straighË forward procedure and therefore price is included directly
in the nodel. The prices as presented j.n Table 18 Appendi.x B were Eak-
êD, except as otherwise noted, from the Manitoba Agriculture Yearbook.
Once both yield and price have been determined their product gives
t,he value of production per acre. When this is nultiplied by the acres
in each field the value for each field is obtai.ned. Then all fields of
each crop are summed Ëo calculate total enterprise returns.
5,4.4 Return lndicators
The f inancial perfornance
of three ret.urn indicators.
field, each crop enterPrise'
f arm.
of each enterprise is present.ed in the form
These indicators are calculated for each
and for the entire crop production of the
ttReturns t,o invesÈmenÈ, labor and managementrr
turns minus the total cost of production excepEing
Thls indicator is what the farm operat,or without
his cash returns from the enÈerprise.
is equal to
investment
hired labor
gross re-
and labor.
considers
1r6
ttReturns to all labor and managenenËtt are calculated by subtracting
the t.otal cost. of production except labor from the gross returns. If
all of the labor is supplied by the farm operator, then Lhis value indi-
cates Lhe reEurrrs accrued to Ehat labor.
ttNet ret,urns to managemenLtt are deteruined by subËracting all costs
of production, both explicit and inplícit, fron gross returns for the
ent.erprise. Ifhen the opportunity cost of the operator's labor is ac-
counted for, the residual is considered Ehe returns to the producer's
supervisory and managerial functions.
Using the rnethods descri.bed the program estirnates the input costs and
the returns to each enterprise. The input. costs est,irnated consist of
both fixed and variable as well as cash and non-cash costs. However,
even given the correctriess of the algorithns presented the rnodel re-
qui.res accurate price information and an adequate producer deseripÈ.ion
of the physical assets of the farm, ínput requirements, field pracEices
and expected production levels.
5.4.5 Input Data
The input. data required for the computerized urodel can be broken dovrn
by its relative 1eve1 of pernanence within the systen. The daË,a base
nust consist, of engineeríng, price, and producer infor¡oation. Three
levels of information exist within the roodel on a pernÉnenË, annual, and
user related tine basis.
L17
5.4.5.1 System Resident Information
In the roost general sense the structure of the nodel itself nay be
included within this category. The accounting identiËies and costing
algorithms built into the rnodel assume t.he same relative leve1 of perrnr-
nence as Ëhe basic infornati.on included in Ehe mode1. The inforroation
contained within the model at this leveI is assumed const,ant. To be
certain, technological change may render some of the relationships obso-
1ete, and this will require updating on a regular basis by future users
if Ëhe rnodel is to be kept current.
Most. of the naËeria1 thus required, in addition to the basic struc-
ture of Ëhe model, is associaËed with roachine operation. The program
requires infonnat,ion regarding each machine type and the corresponding
tillage code in Table 7 Appendix A. These codes are used to link Lo the
appropriate field efficiency equations used Ëo deÈernine Ëhe practical
field capacity of ¡oachi.nery in Table B Appendix A. They are also used
to determine the corresponding t,otal accumulated repair (T.A.R) equa-
tÍons in Table 9 Appendix A and the fuel consumpËion relaËionships. Ad-
ditional infonoation required at this level includes the estimated life
time use, labor coefficienË, overlap, draft (light and heavy soil) and
Ëhe depreciation funcEions applicable to each machine.
5.4.5 .2 Annual Inf or¡oation
The model places no demands on Èhe individual producer for a detailed
financial description of his farn. A reliable way to accomplish this
is to maintain an extensive data bank of current accuraEe and detailed
price infornation for all aspects of crop produclion. this informaÈion
118
roust exist on an annual basis" The program must be able to associate
the size of the iuplenent and the nanufacturer's suggesËed list price
for each rnachine. IL is assumed that the farmer's replacement cost
equals the nanufacturer's list price.
The data base must specify the labor, fue1, and tr.rine cost for the
year being budgeted. The labor cost is equal to the provincial rninimurn
i^lage. Actual fuel cosÈ is calculated as the average price of fuel to
Manitoba farmers adjusted for federal rebates. The Lr¡ine cost is an av-
erage produeer cost for twine.
CurrenÈ estimates of custom and renËal rates are required. The rent-
al charge is equal to Ëhe cost of ownership plus a nargin for profit.
The custou charge is equal Ëo Ëhe renËa1 charge plus labor, fuel, lubri-
eation, and profit.
The annual daËa base also includes the
chemicals. Fertilizer formulation prices
prices of fertilizer to Manitoba producers.
mon pesticides are also included.
prices of all agri.cult,ural
are average reÈai1 selling
The costs of the more con-
The costs of seed grain and forage seed are based on average retail
selling prÍ.ces of seed to producers on a cleaned basis.
Annual daËa is also included for the taxes per acre paid on agricul-
tural land within rural nuni.cipalj.ties in }lanitoba. Overhead costs are
summarized for Ëhe 12 crop districts in Manitoba based on Ehe farm size.
the three farm si.ze categories are 0-239 acres, 240-759 acres, and
greaÈer than or equal to 760 acres. Infornation is also maintained in-
dicating the average value of inproved land including buildings for each
crop district i,/ithin Manitoba.
r19
Of addiÈional inportance is the maintenance of accurate average pric-
espaidtoproducersduringt'heyearforfieldcropandforagecropPro-
ducËion since Ehese prices are used to determine the value of production
for an enterPrise in a given Year'
5.4.5"3 Producer Inform¡tion
The Ehird level of information is relatively transient in the current
version of the model. In a future configuration this data may be sepa-
rated Ínto farm information and field inforrnation. The general farm de-
scripË,ion can be uaj-ntained on file available for annual changes' The
mânagenent pracEices for each field would be coupled with Èhis farru in-
fonnation to form a complete physical description of each producer's en-
t.erprises. AL present both of these components are uaintained together
and supplied to the program for each annual budget calculation'
The first thing the producer l0rrst supply is a description of his ma-
chinerybytypersízerandageforallthenachineryheownsorrents'
SamplesofEhetyPeofnachineryinvent'oryoutputgeneratedforthecase
farm are Presented in the following sections'
cEoP
Pro
duct
lon
Eud
geL
siau
la
| --
----
--:-
-II
BE
C0A
D0
8l|
____
____
__J
LIS
T O
F I
IÀC
lIIN
EN
T
INV
EI{
TO
RY
fEY
ê n
to r
yU
u¡be
r1 2 J
Tlll
age
¡¡ R
ente
d5
Ren
têd
6 I 0 910 11 17 l3 14 l5 16 t? 16 l9 20 21 22 2l 2q 25 26 2t 2ù 29
code
T
lllag
e N
are
101
TR
ÀC
rOR
{D
TB
SE
LIr0
1 rR
Àcl
oR (
DT
ES
ELI
10 I
TR
Àcr
oR
(DT
ES
ELI
101
rRÀ
cloR
(D
TE
SE
L)10
1 rR
rclo
R (
DT
ES
EL¡
16 T
R U
CI(
36 lR
UC
K6
C0L
TM
TO
R $
.D.
6 C
ÍTLT
MT
OB
ll.
D.
ft cu
LTrv
ÀT
o8 L
. D
.1 l
TÀ
HD
Bü
DIS
C-C
2¡¡
ilAR
Ror
(s.
100r
Hl
ó4 H
ÀN
RO
H P
ÀC
KE
N20
PR
ES
S D
AT
LL2O
PR
ES
S D
RII.
L26
SP
BÀ
YP
R2d
s9Ä
TH
BB
{s.P
.l12
con
BrN
E P
1033
coF
BrN
E (
5.
P.
I10
ÀU
GE
R-|
OT
OR
I I
Â0G
ER
-P10
3II
OR
IER
ÀIID
EQ
UIP
264
C.
BR
oÀD
CÀ
ST
ER
201
CI.I
ST
OII
SP
RÀ
TIN
G20
2 C
0ST
O|
PT
OS
HÀ
TH
208
CU
ST
OL
S0.
BÀ
LE22
0 cu
sroË
sP
fÀ
Gol
t26
SP
NÀ
YE
R10
Àfr
GE
R-ü
O1(
}R
Tab
le 2
List
of
Mac
hine
ry I
nven
tory
or V
erst
on 8
0-1
Janu
arY
198
0
512
e25
0.15
6.
66.
1 s5
. t.35
0.35
0.35
.¡¡
1.39
.29
.60
.ó0
.q2
.?8
.60
.20
.1¡
¡.12
.6. 7. 0. 60.
ó0.
18.
18. 5. 74.
6.
ear
975
9?s
975 0 0
976
963
973
979
977
976
978
e79
979
973
97A
976
975
977
9?0
9't7
979 0 0 0 0 0
977
967
R e
p la
ce F
e nt
ItouE
s U
sêd
valu
e2t
2.92
'1
8125
.62
6. r
¡0
¡¡8'
r50.
I rf
l. ¡
r8
2062
5.2q
r.B
5 0.
0.0
0.t¡
.1.lr
¡ 15
900.
rt3.
3¡¡
1590
0.q2
.69
9925
.20
9.9'
' 2'
1120
.21
5.05
91
07.
22.9
5 12
122.
t70.
91
3660
.26
.80
7000
.11
.77
10?5
0.lfn
.48
1750
0.10
3.76
12
8U0.
159.
3'
1311
3.27
7.28
35
r¡20
.llt
z.09
50
¡100
.13
.00
1150
.2¡
¡.01
16
12.
0. 0
¿
0000
.78
.09
0.¡r
l. 67
0.
7. 8
8 0.
13.9
2 0.
31. -r
3 0
.0.
0
1552
.33
. 00
____
!f!qr
rt36
t6t.
De pE
ecLa
tlon
In Y
e gt
¡¡ao
t1 t7
18.7
4 25
39.0
67
312,
.t9
1584
. J?
30e1
.75
670.
J10.
0 0.
ù0.
0 0.
J23
85.0
0 82
6.S
00.
0 0.
099
2. 5
0 3
87.0
727
12.O
0 31
73.0
tr91
0.70
82
ð.lq
1212
.20
1260
.ô9
36ó.
00
180.
6q70
0.00
81
9.1i
)30
?5.0
0 35
e7.7
51?
50.0
0 68
2.50
1288
.00
t139
.5¿
1966
.98
601.
0935
r¡2.
00
2J0;
¿.3
075
59.9
9 36
03.6
0l:t
rt. 96
0.
c16
1. 2
4 r
q6.
r 2
2000
.00
2J¡t
0.00
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
J55.
20
123.
2J0.
0 0.
0
Cur
EêD
t va
¡.ue
7953
1.2'
ì72
18't
"52
5r56
.25
0.0
0.0
6360
.00
0.0
2e77
.50
2{q0
8.00
63?4
.90
9ó9r
.60
¿92
8.00
6100
.00
2767
5.00
5250
.00
1030
q.00
524
5. ?
Bl?
7r0.
00:¿
7720
.01
0.0
1128
.ó5
1800
0.00
0.0
0.0
0.0
0.0
0.0
2rr8
6.rt
0--
---Q
.9.-
211.
¡q0.
00
flepr
ec
L at
, i.
nR
tse
0.1
500.
t50
0. t
50
0.1
500.
1 50
0.1
500.
1 50
0.10
00.
100
0.10
00.
100
0.10
00.
r00
0.10
00.
100
0.10
00.
150
0.1
000.
r50
0. t
000.
100
0.t0
00.
100
0.10
00.
100
0. r
000.
150
0.1
000"
100
N)
O
L2T
5.5 FARI"I MACI1INERY COST ANA],YSIS
The farm machinery cost, analysis gives the invent,ory of farm machin-
eËy, t,he number of hours Ëhe machine was used, Ëhe replacement cost, of
the inplements, the annual depreciation, the annual investuent, the cur-
rent value of the inplements and the depreciation rate used.
If the producer has had any custom work done during the year he must
indicate the type, quant,iLy and opEionally È.he cost. Then for each
field the producer must describe the rnanageroent pract,ices consisting of
field operaË.ions, fertilizer types and applicat,ion rates, seed and seed-
ing rates, and renËal payments.
the system resident accounting and engineering information must be
combined with accurate and reliable price data and complemented with an
adequate producer enterprise deseripLi.on. The cost/reÈ,urn budget simu-
lator can be used for any year for which price and producer infornation
is available.
Following the list of machinery inventory cont,ained in Table 2 is a na-
chine cost per acre sunmary for each field of the type illustrated in
Table 3. Tillage practi.ces for each field are given along with Ëhe ef-
fective field capacity and price of each nachine as well as the vari-
able, fixed, and total cosË for each operation. The simulated budget
resulÈs for Ehe nachinery analysis conducted on the case farm are shown
in Appendix E for 1979.
Cro
P
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erag
e F
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fze
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e
ó C
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AR
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26 S
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123
5.6 INDIVIDUAL CROP ENTERPRISE
As seen i.n Table 4 each fÍeld has a detailed analysis computed to
give the components of total variable costs, cash cost,s, total fixed
costs, gross and net returns. T¡liËh this report a producer can determine
the profitablilty of each parti.cular field and crop produced. Case farm
results are shown in Appendix E.
Table 4 illustraËes a sauple of the cost and reLurn report generated
for a single field. The Eable begins with Ehe variable costs of produc-
tion expressed on a per acre basis. These costs are flagged with the
designator V and tot,alled in Lhe extreme righË hand column. Belov¡ this
infornation the cash fixed costs are listed first and subtotalled with
the variable costs to yield total cash costs for the field. Cont,inuing
down the page the non-cash fixed costs are presented and summed with Ëhe
cash costs to determine toEal costs. The value of production is calcu-
laEed and displayed on an acre and field basi.s. The output calculation
is followed by the return indicat,ors listing returns to investnent, la-
bor, and oanagement.
ïêaE
I9'r9
Inpu
t
Bu6
L t
Lubr
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tlon
Rep
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Tab
le 4
Inci
ivic
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Fie
l-ri .
&na
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SU
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or
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5.7 ÎOTAL FARM SUMMARY
At the end of the individual crop analysis, a summary by field is
provided. The table allows the producer to coupare the profitability of
one crop with another. IË is also possible to judge each crop's per-
formance in comparison with the total enterprise. The L979 case farm
suumry is presented in Table 5.
The case farn analysis is presented in Appendix E to illustrate the
use of the crop budget sinulator. In the year Lg7g, the case fano pro-
ducer had 2630 acres of land upon which he grew 120 acres of wheaË, 276
acres of barley, 716 acres of flax, 325 acres of rapeseed, 930 acres of
sunflowers and 60 acres of al.taLta hay. He also surnmerfallowed 203
acres. the results of the analysis conducted for 1979 are shovm in Ap-
pendix E.
The generat.ion of a simulaLed budget for any farn consists of Ehree
phases:
1. The deterroination of the costs of owning and operating all na-
chinery on a per field basis.
2. The analysis of all other costs and returns by field.
3. The presentation of the toEal farm summary by field, enterprise,
and totál farm averages.
Further examples of the fornat of the crop enEerprise summary can be
seen in the presentation of the results from Lhe case farm analysis in
Appendix E. In the succeeding chapter the verity and validity of these
resulËs is exanined.
Tab
le !
Tot
al-
Far
m S
unrn
ary
rn'l
Fet
u:n
PÈ
r ^c
r-
P;r
c:
oP F
or F
.-cc
rd N
ufltl
Fr
i.lC
ast
f. À
3Eea
q¿ 8
Y C
r)P
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fI.
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t ot
pr
odrr
ct:)
nl.
Pìr
el ¿
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rric
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o¡¡
2.
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Fer
trliz
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hêm
lcaI
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ed l
ree
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sts
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d ¿
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anrn
g co
st7.
T
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e co
sts
tl .
La b
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usto
o C
haE
qès
10.
Inte
rest
O
Pc:
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an.
11.
crop
In
suE
ancê
Pr€
m.
1 2
. D
rYi ng
Cos
tsl.l
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qulp
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tal
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14.
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al
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laþl
e C
ost
15.
Ren
t'1
6. T
axes
1 l.
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iner
y fn
sura
nce
18.
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head
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sc.
19.
tota
l C
ash
cost
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sest
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22.
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120. 5.
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727
Chapter VI
EVAII]ATION
Sirnulation ¡qodels are used \^rith t,he goal of learning something about
some process. The two stages involved requi.re first Ehat. \./e understand
the behavior of Ëhe simulator itself in terms of the relations thaË ex-
ist between inputs and outpuÈs. This is verification.
The second task involves translating ttlearningtt from Ehe simulaËion
into r'learning" about the actual prqcess. This is the focus of valida-
tion. Fortunat,ely validation is not an absolute process. It rnerely in-
volves the process of building an accepËable leve1 of confidence thaE an
inference about a simulated. process is a val-id or correct inference for
the actual process. This will not result in a rrproof" that the simula-
Èor i.s arrcorrectttmodel of the real process. !,Ie are not prirnâri1y in-
terested in provÍng Ëhe truth of the rnodel itself but in evaluaËing the
correctness of a particular insight which it nay produce.
The verification process is necessary to det,ermìne wheËher Ehe esti-
mátes of the paranaters used are theoreËically meanÍngful and statísti-
ca1ly saËi.sfacEory. Since Ehis program uakes few demands upon the user
it is necessary to uaintain an extensir¡e data base of engineering, and
price infornation. The veracity of this infornation is critical to the
usefulness of the nodel and it is being updated constanËly. The infor-
tation required for the operation of the nodel has been secured from
several secondary sources which are referenced in the preceeding chapter
-r27-
. r28
and the appendices. The engineering relationships were conpiled by W.J.
Craddock eË a1 for the InËerregional ConpeLj.tion in Grain Productiono.)
Study." The updated inforrnation for the pricing used has been prepared
by S. Sabourin, M. Kapitany, D. McNair, A. Pokrant, B. Randals and the
auËhor as part of current projects of C.F. Franingham and D.F. Kraft of
the Department of Agricultural Economics and Far¡n ManagemenË at the Uni.-
versity of Manitoba.
The primary roethod of validation used is the compari.son t.o Ehe input-
ouËput transformaËions frou t,he rnodel with a case farn history. The
historical results of the case farm study indicate Ëhe validiËy of the
simulated financial results. It is important to note that, no statisti-
ca1 validity is Eo be inplied fron the results presented. A rigorous
staEistical evaluation of the perfor-ance of the model would consist of
obtaining confidence inËervals not larger than a stated length and with
detectíng differences of a stated si.ze. this would involve a number of
replications Ëhat are beyond the means and scope of t.he current study.
The calculation of the number of replicates required, would depend on
1. An esËimate of Ëhe variance
2. The size of the difference to be detect,ed
3. The assurance with which iË is desired t.o detect the difference
(Type II error)
4. The level of bignif icance to be used in Ë,he actual estiroate (Type
I error).
82 ct"ddock, loc. cit,.
r29
The requirements of this type of analysis indicate the amount of work
remaining to fully validate the nodel. At presenË no estimate of the
variance of financial outcomes usi.ng a particular resource set, has been
esEixûated for Manitoba farms. The size of the difference to be detected
must, be a funct,ion of the context within whÍch the model is being used.
This also applies when one deternines t,he assurance with which it is de-
sired to detect the difference bethreen the actual and the esEimated re-
sults. This value rnay well vary depending upon whether the user is a
farmer or a researcher and wit,h the type of problero being studied. The
1evel of significance to be used in t,he esEinati.on procedure itself can
be nodified by varying the detail and specificity with which individual
farm enterprises are described. The accuracy required is a function of
the needs and objec|ives of the user. The nature of the following anal-
ysis is then Eo determine the plausibility of Ehe results presented
rather than their sLaËi.sLica1 validity.
The infornati.on in Table 6 presents a Eotal cost and return sunmary
comparison for the sirnulaEed and actual results of a case farm analysis
for the.year 1979. The comparison was made on a total farm leve1 be-
cause detailed records on a field by field basis qrere not available"
Table 6 present,s the components of t,he t.ota1 f arn cos t picture as
sinulated by the budget generator and as recorded in t,he financial re-
cords of the case firrn. The third coltrmn presents Lhe error of estima-
ti.on in t.erms of a percentage difference between the actual and estimnt-
ed cosl figures. For the purpose of this illustrative comparison
default prices and application rates were used for. all- items. It would
be possible to achieve subsËantially nore accurate cost estinates by
providing actual raËe-price information t,o the program.
TABLE 6
and Deficit Comparison
r30
ToÈal Inco¡ue
Sinulated Actual($) ($)
Error Adjusted Run("/.) ($) ("/")
1" Fuel & Lubrication2. Repairs3. Fertih-eer4. Cheuícals5. Seed6. Labor7. Custom charges8. Interest on Operating Capital9. Crop Insurance Premiums10" Drying Cost,s
11. Total Variable Cost
12. Rent13. Taxes14. Machinery Insurance15. Overhead, lulisc.
L6. Total Cash Costs
L7 . MachÍ.nery Depr.
18. Costs(16+17)
19. Total Gross Returns20 Returns to Investment
Labor & Managenent
9 ,6001 7 ,80035,10030, 10019,600
9 ,0002,700
I I ,0001,4004,500
I45,600
27 ,600700600
I I ,100
I1,200l3 ,20042 ,00022 ,7 0O18,500t7 ,5002,700
L4 ,7 001 ,2009 ,400
153,300
29 ,7 001,000
20011,700
181,700 196,100
53,200 43,200
234,900 239,300
179,400 19I,400
-46,500 -48,000
15 10,300 I-26 17,900 -2619 35,100 19
-24 30,300 -25-5 19,600 -593 12,600 392 2,700 2
32 14,900 -1-13 1,400 -13108 4,500 108
5 149,400 3
7
3160
5
8
-19
)
27,600 7
700 31600 60
1I,I00 5
189,700
53,200 -I9
242,900 -I
6 r79,400 b
-3 -50,900 -6
A close inspection of Table 6 shows Lhat the simulation process
achieves varying degrees of correspondence to the actual- financial situ-
ation. lhis is shown t.o be due mosË frequently to anomalies in the ac-
tual farn situation which the nodel was unable to assess. For example
while the estimates of fuel and repairs are \,/ithin the anLieipated vari-
ability of the estimates the fertilizer estimale seeus excessively low.
i3r
Factors contributing to the excessive fertilÍzer costing on the case
farm were that a large proportion of the phosphate was applied in liquid
forn. Since this is the most expensive forn of the product Ehe Ëota1
fertilizer bill is inflated from t.he mean cost. Another factor affect-
ing fertilízer prices is Ehe location of the case farn. The farm is 1o-
cated in the extreme south \,restern corner of Manitoba and experiences
freight rates for both ÍnpuËs and production which are higher Ehan pro-
vincial averages "
The chenical cosË estimâtes for the farm are 25 percent
This is at least partially due t,o t.he fact that subsEantial
counts are available t,o farms of this si.ze and these are not,
in the average quoted retail chemical prices"
The seed est,imates are less Lhan Ehat actually recorded. for
This nay be due to higher than recommended seeding rates on
farrn but it is due in part t.o a large stock of rape seed which
chased in 1979 but not actually used.
too high.
bulk dis-
reflecEed
Lhe farn.
the case
r¡/aS pUf-
One of t.he most serious deviations between the actual and simulated
costs is the cost of labor. This is because the model only accounts for
actual producLive tine requÍred Ë,o complete all of the required opera-
tions. As the figures indicate Ëhis and probably rnany other farms pay
for labor t,iine that is efther non-productive or is used in farrn activl-
tj.es outside the scope of the cur:':ent model
Custom charges, interesL on operating capital and crop insurance pre-
miums are wíthin an accepËab1e error of estimate. This varies due to
Ëhe nature of the cosÈ iten. One should expect relatively accurate as-
sessuenË of crop insurance premiums since the only variation is the pre-
132
mium 1eve1 change over soil productivity type. The actual operatj.ng
capital interest is as much a function of the recent financial history
of the firm as the cost.s involved in the current product.ion effort.
Therefore, discrepancy between the estinate and the actual value indi-
cates a divergence of Lhe assumpËi.ons upon which it is based from the
actual situation.
The esti.mate of drying costs is showrt to be extrenely low. This is
due to the fact that the farm has recently erecLed a very capital inten-
sive drying system and is facing the first years of high fixed ownership
cos Ès "
The taxes shown in line 13 are possibly noË under estimated Lo the
degree indicated because the current farmer took possession of the land
within the year 1979 and no taxes r^rere actually paid. Because L979 fíg-
ures \^rere not available Ë,he 1980 assessnent was used and is assumed to
be slightly higher than that of the preceeding year.
.The machinery insurance estimate is higher than the actual expendi-
ture for Li{o reasons. First only Ëhe powered nachinery complement is
actually insured on the case farn. Second Ehe cost of insurance for
highway vehicles owned by the farm is included in the vehicle registra-
t,ion cost by the Manitoba Public Insurance Corporati.on. This portion of
the insurance cost, then is included with overhead adjusting thls figure
closer t.o the esLinaEed value.
The values used for machinery depreciaËion on t.he farm and in Ehe
simulator are not directly comparable. This is because even though both
calculations are made using Revenue Canada depreciation rates the simu-
lator is working from the replacemenË cost of Ëhe item while the case
farm accounts are based on the book value of the item.
r33
The estimate of tot,al gross returns is higher than the actual- reËurns
achieved by the case farm. Since a large portion of the case farm's
production was sunflower seed which moves at compensatory freight, rates
this factor alone may account for t.he case farm's deviation froo the
provincial average.
In conclusion the esËinates of both costs and returns are within such
margins of error as to maintain Cheir usefullness for the stated objec-
tives. Most. of the errors occur due to the inability to completely de-
scribe soue facet, of the farm enterprise. Errors in the cost calcula-
tions seem to reflect anomalies in the operation of the case farm rather
than serious errors of estimation.
The preceding analysi.s was designed to demonstrate the budgeting ca-
pabilities of the model ¡¿ith very lirnited informaËion. The provincial
and regional default values were used for all variables. As is often
the case soue additional infornation was available for t,he case farru.
The acËual average effective int.erest. paid on operating capital for the
period was 17 percenL in lieu of the default 13 percent. The prices of
gasoline and diesel oi1 were 83 cents and 74 cents rather than 79 cents
and 69 cenLs respectively. The effective wage rate on t.he case farn was
ç6.25 instead of the default value of $4.48.
i{hen these values are considered, and a further analysis presented
given adjustments for the case farm's specific condit.ions discussed
above, substanEi.al improvements may be detected in Table 6 in the tr^/o
right hand columns. Two excepEions are the estimaËes of custom charges
and the final estimate of returns Ëo investnent, labor, and managenent.
The discrepancy in the estinate for custom charges mây nor¡z indicate a
134
difference between the wage rate on Ehe case farm and thaÈ used to cal-
culate the actual custom charges. The increase in Ehe apparenË error in
the estimate of returns Eo investnent, labor, and management is a func-
tion of the more accurate invesEroent of costs failing Eo counter the er-
rors in the gross return calculations. Therefore, the comparison of the
esËj-nation accuracy of t,he net f igures presented is not rneaningf u1.
Differences for fuel and lubrication drops from L6 to 8 percent. The
error in labor cosË estination is reduced froro 96 xo 97 percenE" Also
the error of t.he est,imaÈe of the interesl on operat,ing capital is re-
duced from 33 percent, to -I percent.. The accuracy of estiroation of cash
costs is increased with Ëhe error falling frou 8 percent to 3 percent.
The preceeding analysis has demonstrated that in a particular case
reasonable estimaEes have been obtained of crop production costs and re-
turns with very linited infonnaLion. Ifhen some additj-onal firm specific
data is included these estimates can be substantial-1y improved. These
results indicate the the model produces valid estimates of, production
costs for the case farrq for the year 1979. This does not indicate a
definitive or even a statisEically significant validation of the rnodel.
llo¡¡ever, given the resources available, it does demonst.rate Ehat the
nodel has proven reasonable in this situation and increases Ehe 1eve1 of
confidence in ius adequacy for oEher circumstances.
Chapter VII
RECOMMENDATIONS AND CONCLUSIONS
The model as presented in Ëhe previous chapter is technically com-
plete. However, there are areas in which additional effort, would en-
hance the program's useablitiy and increase its utility. Several areas
of iuprovenent, have been identified and have been divided into procedur-
a1 and sËructural components. Procedural recommendatj-ons concern rnodi-
ficaË,ions and enhanceuents possible within Lhe existing basic forrnaË of
t,he program. The following suggestions should roake it possible for the
exist,ing model t.o present nore efficient accurate and consistent re-
sults. Recommended structural changes would require najor revisions to
Ëhe exisËing ¡aode1. The recommendations wou.l-d increase the program's
ease of use and accessability while expanding its analysis capability
and flexibilfty.
7 "T PROCEDURA]. RECOMMENDATIONS
7 .I.L Combined Field Operat,ions
At present the roodel does have a linited capability to handle com-
bined field operaËi.ons. Thet is, the ruodel is capable of handl-ing sev-
eral machines pulled by one t.ractor" The capability is necessary be-
cause the cost of a tractor pulling a culËivator followed by a harrow is
substantially dj-fferent fron having a tractor make . two passes in the
fie1d, where one pass is made with Lhe cult,ivator and one with the har-
-135-
i36
row. The laEter case great.ly over estimâtes, for example, lhe cost. of
fuel and labor.
The current facility for such operations is only available for prede-
fined com.binations. rn the master implernenc list (table 19) of Appero-
dix c certain codes have been reserved for this purpose. For these
codes the draft per foot, for the combined machine operatj.ons has been
calculated as the suro of the draft per foot of each masþj.ns. Given the
number of such possible, or even c,qrnmenly used, combinations iE has only
been possible to define a s¡0a11 subset of such operations.
If Ëhe input data forroat was changed so that each tillage operation
identified both the Ëractor and the user, rather than a co¡obination,
definitions of combined field operations would be possible. This ruet.hod
would provide more flexibility and accuracy in Ëhe a1locaËion of Eractor
t,ime among inplenents. I,Iith the speci-ficaÈion of a second or third iro-
plement in a particular Ëillage operation the cornbined field operat.ion
could be recognized and costs properly calculated.
7 "I.2 AlLernate Farn Income Sources
Llhile the inclusion of income from off farrn labor may be desirable
this is a relatively straight forward resource to allocate anong farm
and non-f ar.ttr enterprises. l,fore dif f icult t,o consider is the allocation
of fixed costs and ret,urns when incomes such as revenues derived from
custom work, land and/or equipment rental and the rental of machinery
shelter space or grain storage are considered.
rf sone consideration could be given Ëo the proportion of tiue or
space allocat,ed Lo non-farm activities the cost could be pro-raËed.
This would allocate an accurate incidence of
es. This is certainly as importanE as it is
on-farm enterprises. Unfortunatly such cost
ble if the informat,ion regarding alternate
present.
137
cosE to the farm enterpris-
to allocate expenses among
apportionment is not possi-
farm income sources is not
7.1.3 Fixed Cost Allocation
The fixed costs of farn uachinery ovmership are comprised of the cost
of insurance, depreciation, and investment.. The current configuration
of che Progralo does not allocate the fixed cosËs of machinery ownership
auong Lhe fields on the basls of useage. The justification for this
uethod i.s the assertion thaË the entire productive farm unit must bear
these costs wheÈher Ehe machine is actually used or not. The rnachine j.s
also potentially available for use on every acre of t.he farm.
One important applicaLion of the ruodel is for the comparaËive analy-
sis of the profitability of different crop production enterprises. A
furËher refinement of this analysis would result. from the allocation of
the fixed cosE.s auong crop enterprises prorated by the leve1 of use in
each fie1d.
If a machine \.ras used in the producLion sequence i.n any field Ehen
Ëhe fixed costs would be allocated to the toEal acres of those on which
iË was used. In t,he case where a machine was not used i-n any field
then the fixed costs would be divided by the total number of acres on
the farm and allocated equally across every acre of the farm. The fixed
costs wouLd be allocaEed to those fields and enterprises which actually
use the machine and across the enLire farm if it was not used. Ei-ther an
138
enLerprise or else the entire farm unit must, bear the costs of machinery
ownership.
7 .I.4 Expansion of Input Infonnation
7 .L.4.L Rental and Custom Charges
At present the sane limitation exists with the rental and custon
charges as that of combined field operations. The only operations
avail-able are Ëhose which have been predefined and included in the ruas-
Ëer implement list,. The reason for this is thaE if the charges for such
operations are not specified defaults musE be provided. To date those
defaults have been specified from tables of recommended rat,es as previ-
?l"fy described. This process is inflexible, time consuming to main-
tain, and can introduce inconsistencies into the analysis" An allernat.e
nethod would be to calculate both renE,al and custon rates on an individ-
ual basis within the program. All of the required information is cur-
rently available and 1n Ehe model's daËa base, To calculate a renEal
rate the fixed ovmership costs are calculated exactly the same as for an
or¡ned machine. This figure is divided by the expected hours of use per
year and a specifÍed pereentage profit is added to the figure to give a
rent,al raË,e on a per hour basis.
The calculation of a custom rate proceeds in exactly the same mânnex
except that t.he variable costs (labor, repairs, fuel and lubrication)
are also included. This figure is then divided by the expected hours of
use per year and the requisite margin added.
When a user wishes to speci.fy a custom or renEal operaE.ion it is de-
scribed exactly the same \,ray as owned equipment. Instead of the toËal
I39
cost of ownership being alLocated across farm enterprises iË is used to
calculate an hourly rental charge which is allocated to those fields
specifying Lhe operat.ion as a function of the nachine's effective field
capacity.
The specificatj.on of rental and custom charges in this fashion would
greatly enhance Lhe usefulness of t,he simulator. In lieu of the current
necessiLy to constanÈly updaEe and include custom raËe recommendat,ions
which have been calculaËed under varying assumptions (ie. Iabor and fuel
costs) the refined machinery costing capabilities of Ehe sirnulat.or could
be used to generate accurate and consistenË schedules of such rates for
nachines which hitherto have had no such detailed basis.
7 "I.4 "2 Unit,s
Many of the problems and errors caused in using the current version of
the budget generat.or arise from confusion concerning the required uniEs
when describing raachinery, inputs, and production. Some sinplification
of this process would occur if the internat,ional systen of meËric units
were used for all input description. If the nodel r+as completely and
consistently operated in this fashion a great deal of confusion could be
elininaËed. Ilowever, it. is recognized that the demand for the ability
to use standard units for input description will exist for the forsee-
able life of the progran. Therefore, the use of sËandard netric unit.s
should be assumed buÈ sÈandard inperial unj.ts should be recognized and
used on input when specified.
As previously mentioned wich respected
amount of confusion exisEs concerning the
the reporËs produced by the program.
Eo input inforraation a certain
units of items represented in
140
Again, although the complete use of standard uetric units would
enable sinple and more consistent 1abe1ling of these documents it is
recognized Ëhat t.he demand for iroperial unit. references will persist
into rhe future"
7 .I "4.3 Macro-Operations
Experience in using t.he model to analyse large numbers of farms has
demonstrated that a great deal of repetition ofEen exists in the speci-
fication of field tillage practices" The input of tillage practice
specificaËions into Ëhe progran would be expedited if Ehe user could de-
fine a ttmacro" operation which would in fact be a commonly used set of
tillage practÍ.ces for Ehe individual farmer. Once this set of opera-
Ëions has been specifed it could be referred to by name only without the
need to recode each individual operation.
7.I.4.4 Alphanumerics
The current version of t,he program recognizes the specificatÍ-on of
all user descripËion only in terms of coded numbers" Once a user be-
comes familiar with such specification it is reasonably easy to use.
However, if the model is Ëo be directly used by large numbers of people
uhís system is tine consuming, tedious, prone to producing errors and
provides difficulty in detecting the same.
a2Figure 14"' shows the rnonthly cosLs of an average ninicouputer system
versus clerical labor. Although Figure 14 refers specifically to mini-
compuËers, Lhe same general cost trends have occured throughout the in-
83 Dorr"ld Kennedy, Minicomputers: Low-CosË CompuEer Power for Manage-ment, Amacon, New York.1978. p. 49
141
oo
o2
Figure 14
Monthly Costs--Average MinicomputerSystem Versus Clerical- I-abor
Averagesystem cost
1 97501 965
Soi.¡rce: Donald P. Kenney, Minicornputers - Low-Cost Computer Power forManagement, revised edi-r,ion, A Di¡rision of American Management.tssociãtion, New York, 1978, p. 4g.
Year
t42
dustry. WiËh this fact in view we can see the rnagnitude of the benefit.s
of long term gains of the substitution of computer time for clerical
time.
The use of descriptive words instead of code numbers would provide
substantial saving in Ehe tiue required to code a parËicular farm record
for analysis. It would also decrease the possibility of errors while
looking up the codes and provide 1abel1ing of the input to facilitate
error ehecking. This improvement could only be gained aE Ëhe expense of
additional machine Ei.me. But as indicated this cosË is reducing rela-
tive to the cost of skilled labor. Therefore substantial savi.ngs can be
realized by having the machine assume that, portion of the coding pro-
cess.
The determination of adequate machine capaci.ty for a certaj.n enter-
prise is one of the mosE critical decisíons faced by the farm manager"
Adequat.e nachine capacity is necessary so thaË the required operations
roay be compleEed before excessive losses occur.
The model provides detailed calculations of the tine required for in-
dividual field operations. This information is valuable Eo a farm nan-
ager at.ten'pting to determine adequate roachine capacity. However, the
program does not consider the scheduling of operations. Therefore it is
difficult to deternine Ehe probable delay tiroes encountered. If the or-
7.L.5 Expansion of OuËput
7.1.5.f Operation Time
Inf onoation
Principles of }lanagement Science:DecisÍons, Prentice Hall, Englevood
84 __Harvey Wagner,to Executivesy.1970. p.250
lliEh applicationsCliffs, New Jer-
r43
dering of operaEions is indicared a c.p.M.84 (crirical path Merhod) type
of analysis could be conducted to determine total expected compleEion
times for the critical seeding and harvesting operati-on. This i.nforma-
tion, if provided in a conci.se optional report, could be used by Ëhe
farm manager in facing inport,ant machinery investuent decisions as wel-l-
as Ëo alert the farro manager or management advisor Ëo cri.tical bottle-
necks in the productÍon process of a partlcular period.
7 "l "5 "2 ReËurn Indicators
The presenlat,ion of Ehe budget results shou.l-d be structured to re-flect the needs of the eventual user. Individual farn managers, univer-
sity educators and governnûent extensi.on personel have expressed. concern.
over Ehe reLurn indicators chosen for presentation. The traditional ec-
onomic indicaÈors have not been enthusiastically accepÈed as appropriate
t,o assist actual farra management, decision naking. The suggestiorr85 h""
been made thaË, t,he use of Lhe Ëeru gross ,nargin86 *, alleviate some of
the confuslon surrounding Ehe existing indicaËors.
Although not co'n-only used in North America, Lhe concepÈ of gross
margin analysis has been applied extensively to partial budgeting tech-
niques elswr¿here.87 fn. syst.em is based upon a consid.eration of Lhe con-
tribution uade by a partieular enterprise in excess of the additional
G. Therrien, chief Economist,, Manitoba Department of Agriculture,cost of Production study Advisory committee M.eeting, March 31, lggI .
c.s. Barnard and J.s. Nix, Farm Planning and control, carnbridge uni-versity Press, Cambridge, 198I. pp 45-47.
G.F. Tat,e, "Gross Margin Analysis: A critical Evaluationrr, Farm B"gg-et Manual, Part 2 Financiar L972, Lincoln college Department of FamrManagemenË and Rural Valuation, New ZeaLand, L972. pp.L79-187.
85
86
87
144
variable cosËs necessary to operate it. From this contribution the
fixed comüitments, overhead expenses and all other costs of the firm
must be met. The assumptions underlying the analysis are currently
found within Ehe existing forrnulation of the budgeting rnodel. The Lech-
nique assumes linearity of returns from rnarkeEing field crop production
as does the budget generator. It also assumes thaL a certaín amount of
financial isolat.j.on is possible when dealing with the variable costs.
This is also consistent with the sËructure of the analysis provided by
the progran.
When dealing with restricted cash flows iE has become very inportant
Lo be able to assess the cash ret.urns from a particular enterprise as
well as it profitability. For this reason a value indicat.ing Ehe net
cash returns for each enËerprise would be useful in evaluating t.he con-
tribution of an enterprise to the firm's net cash position.
The long run viability of any enterprise is dererro-ined by its ability
to provide an acceptable 1evel of ret,urn to all factors of production.
Therefore t.he current. calculation of net returns to rnanageuent should be
mainLained to indicate the residual to all inputs into the production
process or a pure economic profit. The proposed ret,urn indicaË,ors would
Èhen consist of:
i. Gross Margin defined as the difference between gross enË,erprise
returns and varj-able costs for the enterprise.
2. Net Cash Returns as the difference between toËal cash ret.urns and
t,otal cash costs.
3. Pure Profit or net, returns to al-l factors including nanagement as
it is now calculated but including non-cash reLurns such as the
appreciation of real property.
145
7.I"5.3 Cash Flow
The analysis conducEed by the current version of the rnodel is pre-
sented as an annual suunary. In this fornat. it suffers some of the in-
formaLion compressing features that have been criticize¿88 in other mod-
e1s. An important facet of the farm financial picture that is not dealt
with is that of the cash f1ow. The final net position of the producer
aË the end of the year is of no relevance if such casliL flow diffi.culties
occur during the season render the business nonviable.
Program enhancements would make iE possible to present both receipts
and expenses on a monthly, or at least quarËer1y, basí.s. This informa-
tion will help the manager Eo make accurate determinaLions of operating
capital requirmenËs and help him to deaL wiuh lending insËituËions for
their provision.
7.2 STRUCTURAI- RECOMMENDATIONS
7 "2.I Input-Output Control
The program is currently executed in what is terued a rrbatchrr mode.
That, is, the data is completely prepared and then it, and the program,
are presented to the computer for execution. The report,s are then
printed. This roet,hod has proven very effecËive for handling large
amounts of data but suffers frorn a degree of inflexibility. IÈ is also
difficult for users who are not experienced in job submission and mn-
chine usage or who roay be working at, reuote locat.ions. The direct, use-
age of the prograrn by unskilled individuals will only be practical when
lhe program has been restructured in an ttinteractive" mode. ttlnterac-
88 F"1""rrr 1oc. cit.
r46
t.ive" is really a word t,hat iuplies machÍne initiative. An interactive
program controls all phases of the execution process directly from dat.a
entry to report generaÈ,ion. ttThe more inLeractive a prograxo is, the
more initiative t.he nachine takes and Ë.he less t.rai.ning is required of
the user."89 Figlrre 15 indicat.es a proposed struct.ure to effect this and
the other recommendations of this section.
Interactive input of the user daËa al1ows much more flexibility and
reliability to be designed into t,he system. It. allows the prograE to
edit each piece of data as it is entered and to pronpt Ehe user for in-
correct or incomplete information. The data is correcE,ed and verified
before the analysis is even attempËed. Int,eractive input can make t.he
inpul procedure more concise. The progran can make decisions such as if
an enterprise is not present to surpress all irrelevant questions and
references to the particular enEerprise.
An inÈeractive program also provides more flexibility in terns of the
type and quanLiËy of reporËs generaE,ed. A major criticism of previous
90.systems-- has been t,he abundance of unwanted and unread reports generat-
ed by the systern. Copious reports instead of providíng useful informa-
tion can only serve t,o roask what valuable results are presented. \^iith
an interactive system the user can xequesE a summary report and then re-
quest only Ehose more detailed results as rnay be of signifÍcant inter-
esE. This uode allows the user to focus on what is important to hin
while sLill having access to all of the detailed resulËs the system can
produce.
89 Frud Dahl and c.J. Sippl, CouputerPrentÍce-Hall, Inc., Englewood Cliffs,
90- - See previous dj.scussion of Canfarm.
Power for the Snall Business,NJ, tglg. p"it.
148
7 "2"2
7.2.2.
As
File Maintenance and Retrieval
I l{euristic Expansion
stressed in the previous chapter t.he support,ing information for
the program is as important to Lhe generation of accuraËe and reliable
results as the algorithro it.self. This infornation is also necessary to
make the rnodel as easy to use as possible. Currently lisËs of such
items as pricing information are prepared, checked, and included as soon
as possible to provide default information for the user" UnfortunaËely
default information is only available on this basis " As Ehe number of
users expands it is probable t,hat. sone users will possess information
useful for the operation of the model. IË would benefit ot,her users and
faciliËate Ëhe file mainÈenance procedure if this informat,ion could be
easi-ly added Eo Ehe exist.ing data base.
For example, a user requests default pricing and application rates
for a cheruical which hiEherto had no information available. The user
would be informed of this fact and prornpted to enter a namer rate, and
price for the chemical. If Ehis was not possible the chemical would be
deleted but if iË was entered the information would be included in the
daËa base and would be made available to other users. It ís iltrporÈant
Ëo note thaË such infornation would be flagged as not havíng been veri-
fied for the infornation of ot,her users. This would also provide a list
of infornation which had been qemmonly requested by users to those re-
sponsible for maintaining the data base.
r49
7 "2.2"2 Resideut Farm Descriptions
the current version of the prograu requires the conplete entry of the
farm descrÍpti-on each tine the progran is executed. When the nodel is
used in a planning cont.ext, implicit in t.he learning procedure is that
the user will nake a number of runs of the same farm plan with probably
minor nodificatj.ons. To facilitate this process Ehe structure as shown
i.n Figure 15 would allow a farmer t.o store the general description of
the farn and irs assets. The farm manager could then call up this farm
description and generate complete budgets by rnaking only specific chang-
es to exist,ing planning operations, and capital equipment. This proce-
dure would facilitate certain forns of research where si.mulation experi-
xoents could be conducted upon standard farm firm uodels available within
the system.
7.2.2.3 User Statistics
One of Lhe major uses of the Canfarm project was to collect sEatistics
about the users of the system. While Canfarro was able to collect actual
financial information the nodel described is able to assess the finan-
cial profile of the enterprises described only in physical terms" This
inforrnation if properly collecLed and documented could be of use in a
varieEy of research efforts" The presence of the physical information
coupled with the program's financial budget generation capacity can pro-
vide infornoation for a hosL of other economic models. This has in fact.
been the major use of the model to this juncture.
150
7 "2.2.4 Report Generation
several types of reports are going to be requesLed of the system in
succeedj.ng years. The types of user reports are alluded to in the pro-
cedural recomrnendation. 0ther types of reporËs must deal with summaries
of user st.atistics mentioned in the preceeding section. It will also
become increasingly inportanË, to generaËe tables of information from Ehe
data base so that price and oEher information may be updated and veri-
fied" The ease with which these reports can be produced will determine
nuch of the acceptance, utiliEy and cosË of maj.ntaining the systeE.
7.2.3 Enterprise Integration
As j-ndicated by Figure 15 the crop budget generator is jusË one com-
ponent of a farm firn budget generation system. Expansion of the sËruc-
ture as described will facilitate the inclusi-on of new enEerprises, the
flexibility and concision of reporËs produced, and the maintenance of
the daEa required t,o make the entire systeu effective and easy to use"
7.3 CONCLUSIONS
The mod.el as Presented. generaLes budgets depicting the costs and re-
turns of crop producËion. The variable and Lhe fixed costs of produc-
tion are examined. The costs are derived from the producer's physical
description of his m¡chj.nery, land, EanagemenË and culLural pracLices
eroployed. This infornation is int,egrated with Lhe price data associated
r,rith the particular year of production.
The nodel produces output at t.hree levels of detail. At t,he firsË
level a set of tables is generaËed depicting Ëhe detailed costing of
151
each machine and each machine operation on every field. At t,he second
1evel a field sumuary is produced for every field. This table sunrra-
rizes machi.nery cos ts and lj. sts all other cos ts and ret,urns . AE the
third leve1 a whole farm summary is produced for all crop enterprises
vriËh fields aggregated by type and also expressed on a "per acre" basis
for ease of comparison.
The raodel was validated through the use oÍ a case farrn study. The
comparative analysis of the case farm indicated that the roodel is capa-
b1e of generating acceptable financial est,imates of ent,erprise cosls and
reËurns when only physical information i.s available"
lfinor effort could implement some of the recommendations suggested.
Changes to the model should be nade with t.he nature of the application
in rnind. The priority associated r,¡ith those changes should be deter-
nined by the users of the nodel.
The potential exists for a wide vari.ety of applicaËions of the ¡oodel.
The nost exËensive application to date has been for research. The sys-
ten conceivably could be used as a decision making tool by the farm man-
ager when looking at crop production alternaE,ives. Potential applica-
tions also exist whenever insight into the costs and benefits of
cropping systeos is desired. Such inforroation uay be of use to educa-
tional, financial, and consultative institutions. The potential also
exists for rnodel useage by governmenÈ Eo generate data for the adninÍs-
trat,ion of existing programs and to assess the financial impact, on the
farrn firrc of legislative proposals.
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Giles, J.D. ARDA in Manitoba, Province of Manit,oba, January 1968.
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Hayani, Y. and V. Ruttan, "Factor Prices and Technical Change inAgricultural Developnent: The United States and Japan, 1880-1960",The Journal of Polítical Economy, Vol 78, No.5, Sept./Oct" I97O
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158
J_4UrC (
Master Inplement List
Index of Îlllage NaEe PLeld ExpectedTll1áge Efficfeney Annusl LffePractice Equstloo Use Use
Låbor Overlap Draft SpeedCoefflcfent Llght Eeavy
SoiI So11
T.A.R. DeprecfatlonEquatlon Rate EquaÈ1onNube r
1 PLO!'-TRÄ[L ÎYPE2 PLOW-HOUNIE)3 CULTIVAÎOR L "D.4 CULTTVAÎOR L.D.5 CI¡LTIVATOR R.D.6 CIILTIVAÎOR 8.D.7 sîAtK culrER8 STÁTK CUÎTER9 AUGER.ELECTRIC
IO AUGER-I'IOTORII, A¡¡GER-PÎOI2 TANDEM DISC-TI3 ÎANDEI DISC.ÍJ14 ONE I{AY DISCI5 DISCER-SEED.FERl16 ROD-IJEEDER17 NOBLE 6' BLADE18 NOBLE 7' BLADE19 ROE DRILL20 PRESS DRILL2I SEED DRILL22 CORN PLANTER23 HARROI{ (DRAG)
24 EA¡.RorJ(S.T00rR)25 PACKER26 SPRAYER
2 7 sr.lATr{ER ( PTo )28 sr¡AlgER(S.P . )29 s!¡ATnER(C0ND)30 SWAÎIIER(REEL)3I COMBINE(ROTARY)32 COMBINE PTO
33 coHErNE (S.P.)34 DRTER AND EQUTP¡5 GR.ANI'LAR APP.36 TRUCK37 BAJ.E I'AGON38 SPRAYER S.P.39 FORAGE HARVESÎER40 BAI,ER (ROUND)4I BATER (SQUARE)
42 ROTOTILLER43 r'or.JER
167. 2500.t67. 2500.208. 2500-208. 2500.208. 2500.208. 2500.
0. 2000.0. 2000.0. 2500.0. 2500.0. 2500.
150. 2500.I50. 2500.
0. 2500.167. 2500"
0. 2500.0. 2500.0. 2500.
60. 1200.60. 1200.60. 1200.0. 2500.
r25. 2500.100. 2000.r00. 2500.
0. I 200.r00. 2500.100. 2500.t00. 2500.r00. 2500.100. 2000.I 00. 2000.ls0. 2000.
0. 0.0. 1200.
150. 4000.lso. 3000.r00. 2500.80. 2000.0. 2000.
100. 2000.167. 2500.125. 2000.
I.180 0.01.180 0.01.220 1"0L.Z?0 1.01.220 t,01.220 1.0t.140 0.0I " t40 0.00.250 0"00.250 0.00.250 0.01.r90 t.0I .190 1 "0r.220 0.0L190 0.0r.t60 r.51"220 r"51"220 t.51.230 0.0I "230 0 "0t.230 0.01 "250 0.0r"160 1.5I . 160 I.5t.I60 1"81.220 1.5L1.40 0.0I "I40 0.0I "140 0.0I . I40 0.01.2t0 0.01.2I0 0.01.2t0 0.00 "000 0.0t.140 1.5I "050 0.02 "080 0,01.095 0.01.2t0 0.0I.210 0"02 .2 r0 0.01.180 0,0I .140 0.0
7 "6 9.07.6 9.02.3 3.02.3 3.02.9 4"22"9 4.21.6 1.6I.6 1.ó0.0 0.00.0 0"00.0 0.03.6 4"23 .6 4.22.6 3.I2"2 2.5l.l I.I2"5 3.42.5 3 "41.2 1"21.2 L "21.7 t"71.7 1.70.5 0.5o.7 0"70.5 0"50.4 0.4t.4 t.41.4 1.41.4 1.41.4 1.40 .0 0.00 "0 0.00.0 0 "00.0 0.00.3 0.30.0 0"00.0 0.01.4 I .40.0 0.00.7 0.70.7 0.75 ,0 !0,0I.6 1.6
0.10000.10000. 10000. 10000.r0000 . r0000. 10000. r 0000 " 10000.10000. 10000 " I0000 " 10000 " r0000. I0000.10000.10000 " 10000.10000. t0000 .10000 .10000 " I0000.t0000. I0000 .10000.10000.15000.15000.15000, I0000.10000
" r500
0.10000.10000. 15000. r5000.10000.10000. I0000. I0000. 10000. 1000
4.64.64"54"54.54"54.54.58.38"38.34.54"53.54.05.04"54"54.04"04.04.54"54.56.04"04.54.54"54"50.00.00"00.04.0
20.o8.04"52.52.52.53.04.5
7
44444
ç
7
7
7
5
5
5
55
5
5
5
306
2
2
222
2
2J
3I
2,2
2
2
159
Table 7 (Continued)
Iudex of Îfl1age Naue Fletd ExpectedTlllåge Efficlency Annual LifePract{ce Equatíon Use tse
Labor overlap Draft Speed T.A.R. DeprecfatfonCoefflclent Lfght neavy Equatlon RaÈe Equatlon
sotl Sotl Nunber
44 ¡f)WER-CONDIlION45 RAKE-Í.¡EEEL46 RAKE-P-BAR47 SIACK!ÐVER48 BALE IdAGON SP
49 FORAGE BLOIiIR5O IIATSÎACKER5I BROADCASÎER52 HAY BTND PTO
53 BALE ELEVATOR54 BALE CARRÍER55 F.E.LOADER56 FOR H.ARV & IIAGON
57 STOOKER
58 ROIJ CROP CULI.59 RolARr CLLT(UoE)60 POÎÀlo FT¡¡DROÍJER
ó1 E.ARVESIER62 PLA¡IÎER63 BIN PILER64 gÂRROH PACKER65 BEEÍ HÀRVESTER66 BEEtr 1OPPER67 BEEÎ PL.A¡¡TER
68 ROf{ CROP SPRåYER69 ONIO¡ PLANTER70 ONION WII{DROIIER7I ONTON B.ARVESTER
72 SIJEEÍ CORN PICK73 HEffi. BALE WAGON
2OO CUS!oH BALE I.IAGN
2OI fl'SToM SPRÀYING202 CûSToH Prosr{atH203 CST SP SIJATHNOC
204 CST SP Sr¿ATEr.rC
205 qltsmu IRUCK206 flrsmu SPCoHBINE207 C. P10 CoÌ'fBINE208 c1ts10H SQ.BALE209 c. sQ. BALETHROS2IO C.BAI,ER ROUI{D 5'2II C.BÁIER ROUND 6'212 cusloH HoI,JING213 C. MOÍ¡ER-CoND214 C" RAN.E I.THEEL
215 i. RAKE P.BAR2Ió CUSTOI{ DRILL218 C. DISCER SEEDER
125. 2000.125. 2000.LZs. 2000.125. 2000.250. 3000.80. 2000.
r25. 2000.0. I 200.0. 2500.0. 2500.0. 2500.0. 2500.
80. 2250.t00. 2500.
0. 2500.0. 2500.0. 1000.
80. 2000.0. 2500.0. 2000.
t00. 2000.80. 2500.80. 2500.0. 2500.0. 1200.0. 2500.0. 1000.0. 2000.
i50. 2000.¡.50. 3000.150. 3000.
0. I 200.100. 2500.¡00. 2500.100. 2500.150. 2000.150. 2000.100. 2000.100. 2000.r00. 2000,
0. 2000.0. 2000.
125. 2000.L?5. 2000.IZs. 2000.125. 2000.60. 1200.
167. 2500.
1.r40 0.0 1.61.r40 0.0 1.6t.140 0"0 I .6l.140 0.0 0.0t. t40 0.0 0.0t.250 0.0 r0.0I.t40 0.0 0"01.140 1.5 0.3I "r40 0.0 1.4I "200 0.0 0.0I .140 0.0 10.0t.t40 0.0 t0.0I.210 0.0 2.51.2I0 0.0 0"0I.220 0.0 0.7I.220 0.0 0"71.220 0"0 4"61.220 0.0 6"12.230 0.0 3.4r .0s0 0.0 0 "0r. 160 1.5 L "21.220 0.0 6"11.220 0.0 6"12"230 0"0 3.4r.220 1"5 0.42.230 0.0 3"4r.220 0.0 4 "61.220 0"0 6.1I.2I0 0.0 0.01.140 0.0 0.01.080 0.0 0.01.220 1.5 0.4I.140 0.0 1.5I.140 0"0 1.41.100 0"0 1.4r.050 0.0 0 "0l. t60 0.0 0.01.210 0.0 0.0t.210 0.0 0.71.210 0.0 0"71.2t0 0.0 0.71.210 0.0 0.71.140 0.0 I.61.140 0.0 I "ó1.t40 0.0 1"6l"Ì40 0.0 1.61.230 0.0 1.21.190 0.0 2.2
l.ó 4.5I .6 4.51.6 4.50.0 8.30.0 I "0r0.0 8 "30.0 2.50.3 4,01.4 4"50"0 8"310,0 8.310.0 8.32"5 8,30"0 8"30.9 3 "50.9 3.56.1 3.07.8 2"08.4 3.00.0 8.31.2 4.57 "8 2.07.8 2"08.4 3.00.4 4"08.4 3.06.1 3.07.8 2.00.0 0"00"0 8.00 "0 8.00.4 4"0I "5 4.5L "4 4.5I "4 4"50.0 20 "00.0 4"50"0 0.00 "7 2"50.7 2"50"7 2.50.7 2.51.6 4"5I.6 4"5l.ó 4.5I .6 4.5L.Z 4.O2.s 4.0
7 0. 10005 ,0"10005 0.10005 0. 10005 0.15004 o.tobo5 0.10006 o"iooo5 0"10004 0"10003 0.10003 0.10004 0.rI705 0"10007 0. 10007 0.10006 0.10006 0.10007 0.10004 0.10007 0. 10006 0.10006 0. 10007 0. 10005 0.10007 0.10006 0.10006 0. 10003 0. 15005 0.15005 0.15005 0. 10005 0.10005 0. 15005 0.15004 0"15003 0.15005 0. 10004 0. 10004 0.10004 0.10004 0.10007 0. 10007 0.10005 0.10005 0.1 0005 0. 10007 0.1000
3a
22
22t2
22
2
z2
22
2
33
3
32
2
222
0
160
Tabl-e / (Continued)
Index of llllege l¡aEe Fleld Erp€ctedTlllage Efffclency Aonu6l LlfePractlce EquatLoq Uge Uge
Labor Overlap Draft SpeedCoefffcfent Llght Heavy
Soll sotl
T.A"R. DepreciaclonEquatl,on Rate EquaÈlon
Nunbe r
219 cusmH HÁRROÍ¡220 ct sTflH sP HAGoN221 C. P"rO HAGoNl60222 C. Y10 !JAGONI04227 CUSÎOH PACKER228 cusmM PLOft sEltl229 CuSloM PLos TR¡\I.230 C. CULT.LD SOLTD
23I C. CULT.LD IJING232 C. CTLT.HD SOLID233 C" CULI.HD r{Ir¡G234 c" Ror{ cRoP crrl.t235 C. FORAGE BLOÍ,IER
236 F.8.&r{ F.E..PtCK237 F.H.úr{ F.E.2ROH238 LARGE P.H..PTCK239 LARGE F.IT.2RO[J240 ¡{ED F.E.&I{ PTCK24I HED F.H.ÉIJ 2ROf{242 r.ßE F.U.&¡{ PICK243 LGE P.H.6W zROs244 r.rEDnnf F.n. PICK245 }fEDIIJI'I F.8. 2ROH
24ó TARCE F.H. PICK247 ¡,ARGE F.H.zROIJ248 4ROf{ PLANîER249 óROW PI¡}¡ÎER250 SROII PI,ANTER251 c.PoTAlo HARVSÎR252 C.POIATO fûNDr{ER253 CUSTOI,I RODITEEDER254 STACKT'|oVER 3T0N255 SÎ/\CK¡'ÍOVER 6T0N256 STACK¡TOVER 810N257 STACK}ÍVR CAB 8T258 C.4 ROg BEEÎ HAR259 C.6 ROT,¡ BEEÎ HAR
260! ClrSTo¡r BEEI T 4R261 ctSloH BEEr I 6R262 CI'STOII TANDET263 CUSTOII AIR SPRAY264 C.BRO¿IDCASTERIOI ÎRACTOR(DIESEL)lo2 TRÂCTOR(c^S)IIO STDE ROLLIII BlG GUNS
I12 CENTRE PIVOTI13 IIOVEASLE PIVOT
t25. 2500.150. 3000.I50. 3000.150. 3000.
0. 0.167. 2500.167. 2500.208. 2500.208. 2500.208, 2500.208. 2500.
0. 2500.80. 2000.80. 2250.80. 2250.80. 2250.80. 2250.80. 2250.80. 2250.80. 2250.80. 2250.80. 2250.80. 2250.80. 2250.80. 2250.0. 2500.ô. 2soo.0. 2500.0. 2000.0. 1000.0. 2500.
125, 2000.125. 2000.125. 2000"125. 2000,
0. 2000.0. 2000.0. 2000.0. 2000.
r50. 2500.0. 0.0. I 200.
800. t2000.800. t2000.
0. 0.0. 0.0. 0"0. 0.
l.160 1.51.095 0.0l. I50 0.0I.140 0.0L200 1.8I " 180 0.0I .180 0.01.220 1.0r.220 1.0t.220 1.01.220 1.0r.220 0"01.250 0.01.210 0.01.210 0.01.210 0.0I.2t0 0.0I.210 0.0t .2I0 0 .0t.¿t0 0.0t.2r0 0.01.2I0 0.0I,:lt0 0.0I "2t0 0.0r.2t0 0.01.250 0.01.250 0.0I "250 0.01.220 0.01"220 0.OI .160 t .5t "140 0.01.I40 0.0t. I40 0.0l. r40 0"01.220 0.0t.220 0.01.220 0"01.220 0.0I"r90 1.00.000 0.01.t40 t.51.050 0"01.050 0.01.000 0"01.000 0"01.000 0.0I .000 0.0
0.5 0 .5 6.00.0 0.0 8.00.0 0.0 8"00.0 0.0 8.00.0 0"0 6.07.6 9.0 4"67.6 9.0 4.62.3 3.0 4.52"3 3.0 4.52"3 3.0 4.52.3 3.0 4"50 "7 0.9 3.5
10.0 10.0 8.325.0 25.0 I "325.O 25.O 8.325.0 25.0 8.3z5.o 25.0 8"325.0 25 "0 I "325.O 25.0 I .325"0 25.0 8.3z5"o 25.O 8"325.0 25.0 8"325.0 25 "O 8"325"O 25.0 8.325"0 25,0 8.3I .7 1.7 4.5t.7 1"7 4"5I "7 t.7 4"56"1 7.8 2.O4"6 6.1 3.0l.l Lr 5.00.0 0.0 8"30.0 0.0 8.30.0 0.0 8.30,0 0.0 8.36,1 7"6 2.06.1 7 "8 2.06. I 7.8 Z.O6"1 7.8 2.03.6 4.2 4.50.0 0.0 0.00.3 0.3 4.00.0 0.0 4.50.0 0.0 4"50.0 0.0 0.00"0 0.0 0.00.0 0"0 0.00 .0 0.0 0.0
444444444447
77
667
555
5666
67
06I
20000
2
2
22,07
z222
22
I24
0.10000.15000.Ì5000.15000" 10000. t0000. ¡0000.10000 " I0000. I0000. 10000" 10000. r 0000.1t700. t 1700. u700.11700. I 1700"tt700.11700. I 1700.1t700.tI700. I t700.tI700. 10000. 10000. t0000.10000" I0000.10000. I0000.10000 " 10000.10000 " Ì0000. 10000.10000.I0000. I0000.00000.10000"15000.15000,07500.07500.07500.0750
161
Table 7 (Continued)
Index of lfllage Naoe Fleld ExpecÈedTlllage Efficlency Annual LlfePrâctlce EquatÍon Use Use
Labor overlap Drafc SpeedCoefflcient Llght tleavy
sofl Soll
1.4.R. DeprecfatlonEquatfon Race EquâcfonNuber
ll4 PUHeromRt 15 PtfiP ePToI I6 Í{ELLSII7 PIPEI18 DRÂINACEI19 IfISC. CA¡ITAL
10000. 1.000 0.012000. I,000 0.0
0. 1.000 0.00. 1.000 0"00. 1.000 0.00. 1.000 0.0
0"0 0.00.0 0.00.0 0.00 .0 0.00.0 0.00.0 0.0
0.0 3 0.07500"0 2 0.15000"0 0 0"00500.0 0 0.05000 "0 0 0.00500.0 0 0.0500
l.l.t.l.l.I.
700.700.
0"0.0.
;9'
162
Tab1e B
Field Efficiency Equations
1. Efficiency = 0.75 + 0.0026 x field slze
2. Efficiency = 0.75 + 0.0020 x
.75 < Efficiency <
.75< Efficiency (
.75 < Efficiency 5!
.75<Efficiency( .81
.65< Efficiency! 1"00
.55<EfficiencySl.00
oÃ
Efficiency = 0.75 + 0.0020 x
field size
1'r-eId sr-ze
on
.Boz
L
E
6.
Efficiency = O.7)
Efficiency = O.6J
0.001J x field size
O.0026 x field size
Efficiency = 0.55 + 0.0000 x field size
Production, Speci.al StudyInterreeional Competition in Canadian CerealNo. 12, Ottawa: Queents Printer, L97I.
fu..1. Craddock,
16J
Table !
T.A.R. Equations
Equation Nwnber
T.Ä.R.
fn^D
T.A.R.
T.A.R.
T.A.R.
T.A.R"
m^D
Percent = O.1OO (x)1'5
Percent - O.l-20 (x)1'5
Percent = 0.096 (x)l'a
Percent = 0.L27 (x)1'4
Percent = 0.159 (x)l'4
Percent = 0.191 (X)1'4
Percent = O.JOl (x)1'l
1
2
z)
4
5
6
7
tTot"l- annual repair equations. ASÁE Farm Machinery ManagementCommittee, I'Agricultural Machinery Management Data, " f.!@!gg$.turalEngineers Yearbook, American Society of Agricultural @pp. J25.
Â,
Die
seL
lfrac
tors
Hor
se P
oHer
Cod
e
Tab
le
1 0
Fue
l co
nsw
Þtio
ru f
o" D
iese
l ar
ìd G
asol
ine
lract
ors,
T
ruck
s,C
onbl
nes
md
gelf-
Pro
pelle
d S
wat
hers
B.
Cas
olin
e fr
acto
rs
1 2 J 4 5 6 7 I 9 10 11 12 1) 1¡t
15 16 17 18
I 2 3 4 5 6 1 2 tt 1 2 ) 4 6 7 B 9 10 11 12
trac
tor
Cla
gs(D
.B.H
. P
. )
C.
ltruc
kec
D,
Se1
f-P
rope
lled
Com
blne
sc
<40
H.P
.40
- 49
.99
50 -
59.9
960
- 69
.99
70 -
79.9
9B
o -
89.9
990
- 99
.99
100 -
109.
9911
O -
119.
9912
o -
129.
9911
o -
1)9.
991\
o -
1\9.
991f
r -
159.
9916
0 -
169.
9917
o -
179.
99'tg
o -
199.
992o
o -
2\9.
9925
O+
<lro
H.P
.\o
-
49.9
950
- 59
.99
60 -
69.9
9,to
- 79
.99
80 -
89.9
9
Fue
l C
on8ù
nptio
n -
Tru
ck S
ize
Reg
reaa
lon
Equ
atlo
n"
(ton
e)
y=0,
822+
o.01
5xv=
1,30
1+o.
022x
y=1.
\12+
o.0J
0Xy=
1.82
4+o.
oJ4x
y=2.
745+
o.ol
9xy=
2.57
1 +
o.o4
2Xr=
2.91
4+o.
olt4
xv=
1.61
\+o.
o45x
y=).
By]
-+0.
o50x
v =
).67
2 +
o.o
58x
v=\.7
19+
0.o6
6xy=
4.70
o+0.
061
v=4.
78)+
o.o7
7xy=
q.46
o+o,
o8lx
y=5,
\28+
o.o8
lxy=
r.\1
6+o.
o87x
v=7,
687+
o.o8
6xy
=1O
.))B
+ 0
.102
xy=
1.55
8+o.
o18x
y=2.
851
+0.
o27x
y=2.
918+
o.0J
0Xv=
7.46
8+o,
ol1x
v=).
9o9+
o.o{
fxv=
1,81
6+o.
o46x
E.
Seü
-Pro
pell.
ed S
uatlr
ersd
Sel
f-P
rope
lled
Spr
ayer
s
F\je
l CoD
Bw
ptlo
n(r
mpe
rlal
GaI
lons
per
hour
)
It is
ass
ured
tha
t'sel
f-pr
opel
ìed
suat
hers
use
gepa
ratin
g A
Ìea
(Inc
hee
)c
1/2
1 2
>J
1.75
l¡n
perla
l ga
llons
of
gaso
line
per
hou.2.O
22.
172.
)1j.)
)4.
o
2.1
2.5
J.o
4.o
4.5
5.o
5.\
5.8
6.0
6.1
6.8
(6,o
oo6,
0c,0
-
6,99
9?,
ooo
- 7,
999
8,oo
o -
8,99
99,
ooo
- 9,
999
10,O
00 -
10,9
9911
,000
- 11
,999
12,O
OO
- 12
,999
1j,o
oo -
17,
999
1r{
, oo
o -
1q ,9
9915
,ooo
- 15
,999
>16
,ooo
taU
fel
O (
noot
note
s C
ontin
ued)
alhe
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essi
on a
nâIy
siÂ
ls
base
d on
Neb
rask
a T
ract
or T
est
Dat
a (l9
ZO
-i9B
O).
bTlu
*ug"
u""io
n eq
uaLl
on i
s of
the
fom
y =
s +
b x
uhe
re y
rep
rege
nts
the
hour
ly f
uel
cons
wpt
lon,
and
x r
epre
aent
a th
e pe
rcen
t lo
ad..
Uni
ted
Sta
tes
gello
ns.
"M*l
tob"
D
epùt
mÊ
n! o
f A
grfc
ultw
e, E
cono
mic
e B
rmch
, F
am D
ata
Hm
dboo
k,
1972
, W
lmip
eg,
Ms¡
ltoba
, p.
1-2
8.
tI.J.
C
radd
ock,
Int
eneg
lonâ
] C
omÞ
etitl
on ln
cm
adiâ
n C
erea
l P
rodu
ctio
n,
Spe
clal
Stu
dy N
o. 1
2, O
LtaH
a: Q
ùeen
ts P
rlnte
r,
l9?1
.
Not
e y
ls i
n
O\
\n
166
TASLE i 1
Depreciation EquaËion
Equation Numberl Depreciation at End of Year n
I
2
3
4
(I00 - 157.4(0.885)"1)/100x New cosE
(100 - [73.4(0.8s5)n])/roox New cosr
(100 - 162.1(0.s85)"1)/100x New cost
(100 - t87.0(0.92)nl)/100 x New cosr,
1 R"f". to Table 7 Lor description of machinerygroupings used for depreciaÈ,ion.L. Andruchow and J.ShorLreed, Loc. cit"
Table 12
Machinery Prices
168
îillage Code ï.:riplement Name Price
1.
2.7
)r
R
6.n
ô
o
10.
11.
12.17
rJr
L5.
ro.L7.
rC).
19.
20.
2r.
)7
24.tq
¿o.
)a¡Qav.
Plow-Trai1 T¡pe
Pl-ow-Mounted T¡rpe
Cultivator-light duty fieldCr:-ltivator-Iight duty f ield-w-ing
Cul-tivator-heavy duty fieldCulti-vator-heavy duty field-wingStalk Cutter-integralStalÌ Cutter-trailGrain Auger-electricÉr.ain Auger-motor
Grain Auger-FTO
Tandem Disc-trailingîandem Disc-w-ing
One-tiay Disct ..-Discer (i"r-ith seed & fertil-izer
attachment)
Rod-lüeeder
Noble bl-ad.e 6' blad.es
Noble bl-ade /r blades
Hoe DrillPress Drilt & Double Disc
No till- d-ril-l (seed d-rill)Corn Planter (J'/row)
\Haffow (drag)
Harrow (spring tooth)Packer
Sprayer
Swather (Pt'o)
Swather (S.P" )
or
#85o/rt.#61=/tt"#t6j/rt.#2t3/ft-.#2o5/f1-"
#zs=/tt.fi242/ft.#3Ø/ft.
0.0
0"0
0.0
#72J/ft.$4r8,zrt.
#tg]/tt.
#4zo/rt,.
$150lrt.#zl>/rt.#zog/ft,.#4r=/n.#625/ft,.
$8l-7.4/rt"#496/rt.
#t49o/row
#44/tt.#6t/rt.#65/ft.#rgo/ft "
$190. 35/ft.#555.66/tt.
169
Tabte 12 (Continued)
Tì-llage Code I-:rplement Name Pri ce
Jo.
3L.
7Z
4t
ZÃ
)o.7.7
38.
J9.40.
4r.42.)tz
Jrlr
4j"46.)tt
48.Lo
tr^
51.q)
r)¡
55.
)o.57.
Swather w-ith conditionerSi¡ather i,,rith pick-up reelCombíne (Pfo)
Combíne (self propelled)Conlrine (rotary)Dryer and Equipment
Grarnrl-ar ApplicatorTruckslalagons
Sprayer (self propelled)Forage Harvester
/ -\BaJ-er (rourj.d)
Ba1er (square)
Roto-ti11erMower
Mower-conditionerRake (w-heel)
Rake (para1leJ- bar)Stack mover
Bale trriagon (self propelled)Forage Bl-ower
Haystacker
Fertilizer Broadcaster
Haybind or trrlindrower
Bale el-evator
Bale carrierFbont-end loaderForage harvester wagons
S¿ookers
#832/rt.fi7o1/ft "
#2,jjo/i,ooo in#4,zoo/i, ooo in.See price fistSee price listSee príce listSee price listSee price listSee price listSee price listSee price l-ist
, See price l-istSee prì ce list#24>/rt.#725Æt.
#t9o/rt.#22o/1t.See price listSee price listSee price listSee price listSee price listSee price list#zg.g>/tt.See price listSee price listSee price listSee price list
2
2
170
Table 12 (Continued)
Tillage Code Irçlement Name Pri-ce
58.
Ão
ou.
6t.
o¿.
64.
101 .
102.
Row Crop Cul-tivator
Rotary Cul-tivator (ttoe)
Potato Windrower
Potato Harvester
Potato Planter
Bin Pil-er
Harrow Packer
Tractor (ai-esel)
îractor (sa")
#492/row
#5Jo/row
See price list
See price list
See price list
See price list
See price li-st
#ji2.5o/hp
#3tz.5o/hp
171
PRICE LÏST
TillageCode
I-uplementName
Description Price
15.
to.
=2 Combine-Rotary
34. Dryer andEquipment
Batch
Roto-threshTR70
rHc1440
1460
148o
Continuous P,:u.. /b:".L5O-25Ot5o-5oo6jo-7io
over BOO
Batch 210 bushelsJlO bushels4!O bushels100 bushels
Silage wagon sel-f-rrnl-oadingSilage i¡ragon high dl:mpHay hJagon +-) tonHay Wagon O-'l tontlay Wagon ö tonHay tlagon ! tonHay'Wagon lO tonAutomatic Bale Talagon PTOAutomatic Bale ltlagon
Spra-coupe
Granular App.
lnrck
$54, ooo
Ão 2n^)), ¿vv
54,5OO
60,55o
691650
. -l+13,r+6L8,29929,779J2,550
LT,3Lr'9,8L9
-r 1 tr'zfLL, ))L
t3,oI5
6tr 2aÉ.-)e)a)7,l-BB
4gl6rt6869IL
L,278z hzr-/t t-/L
o, ¿)?
9,500
t/2 .con 6,toozJ/4 ton T,4|¡O
w-itir grain box & hr-oist-l- .ton IE,O5O
:l :: :: ,, -2 ton 11,Boo, ,? ,, :: rí ;:i i3;3BB
t^ri-th grain box & hoist - gas
with grain box --H:ï -iÏ:i"' ii:,i',27n lùagons
)ó. Sprayer S.P.
I l¿
Price List (Continued)
Tillage InplementCode Name
Descrintion Price
ZO ForageHarvester
-ual-er (Hoiirld.J
Baler (Square)
Roto-ti11erStachover
Bale 'lrlagon(S.P)
Forage Blower
Haystacker
FertilizerBroadcaster
Hay BirÍd.or i,'¡-indrower
BaleCarri-er
F?ontendLoader
40.
4r.42.
41.
Medium - pick-upMediun - 2 rcwheaderLarge - pick-upLarge -2row header
1"5 n dia.1.8 m di.a.
755 x 4Jr t*t (standard)E4L) LVe
(cable) B t(chain) j t
). ) v
8t1069 S.P.
PTO driveTractor-hydraulic (l.Z' sweep)
reg.high liftw-ith push-off
Costed with fertil-izer
PTO feetfeet
1 ror:nd bale (2 prongson J poi-nt hLtch)4 baleO bal-eQ u^r ^U U4IE
12 bal-e
2000 }bs.2000-J000 tbs.J000-4000 ]bs.4ooo-5ooo r¡s.over 5000 lbs.Bobcat Skid Ioader
$7,90019,000
t0,20011,200
7,50019,2OO
5,6OO1
3,5206
5,OOO1j,6005,6007,500
38,4oo1
2r2OO1
)rc ¡z)t'19v¿/ t
2,570,h zhJL
0
A2,106"2,65r4,65o
2< ,(ô*6,55o
72501
4,zoo'5,0006, ooo7,2OO
)rr rQzTLtLV)1 ,8582,710r oo,[¿9//'L ozn,t/lv
r3,844
48.Lo
50.
5L.
52.
54.
2 ton5 ton6 ton
(2 ton(
9
ñÃ
173
Price List (Continued.)
Tillage ïmplementCode Name
Description Price
,Õ.
trn
6o.
or.
o¿.
Forage Harvester l.^Iagon S.U.ïrlagons hiagon H.D.
Stookers 6 ¡alelO bale15 bale
Potatolrlindrower
PotatoHarvester
Potato Plarrter w-ith Fert. attachment
Bif: Pil-er Potato piler
65, zoo 1
7,000t,4zo6L,7o4L,893
g,5001
z6,5oo1
6,6oo4L2,692L7,768
B,z\z4L7,432
7,000
LO,938114,06317,lBB20,3r323,43826,56329,68832,8L335,978)9 ruo)4e, rBB45,3tJ48,478,L,56357,8r7LoJBBSt = =â.2t) s )w)l6,32'19,300>c >62
25,238
2 rot¡4 row6 row
64.
101.
24'40'
Harrow Packer
Tractor Diesel(e wa and 4 wd)
o-39 DBIIP4o-496c)-Ão¿v ))
6o-6970-798o-Bg90-99
100-109110=11!1 )ñ-t )oL¿v L't
L1O-L39140-149L5O-r59160-t69L7o-L99
7O-J9 DBrÐIn-,Lo50-596o-6970-79Bo-89
LO2. Tractor Gas
174
Price List (Continued.)
1m,¡. 1979 price.zsni-
:-9T9 price.
1F"o consul-ting producers.)+-ADA f97b price indexed.
q-f97T prices from tabl-e I indexed using power machinery j_nd.ex.
6-1977 príces from table I indexed. usi-ng non-power machinery fnd.ex"
175
Code
TABLE 13
Fertilizer Prices
Forroul-aËion Costl(1979 $/Ton¡
0t2J
4567
89
10111)13T4t5T6
No Fertilizer usedI l-55-0-0I 1-54-0-0r 1-48-0-0
r6-20-0-L423-23-O-O2 6- r 3-0-30-0-62-027-27-0-034-0-0-034-0-0-1 I2r-o-0-244 6-0-0-08-24-24-2
r0-30-10-413-16-10-1124-0-O-0
L4-r4-7-15I 6-20-0-02 1-0-0-0
13-r6-10-0I 1-5I-0-027 -26-0-034- 16-0-01 9-37-0-0I 7-34-0-0
I 6-r 6- r6-30-0-0-9028-0-0-010-34-0-082-0-0-033-0-0-0I 3-52-0-025-25-0-0
1 0-30- r 0-0I 3-32-0-028-28-0-0
Hog ManureCattle Manure
27 -14-0-0I 2- 5 3-0-0Actual N
Actual P
Actual K
0 .00267 "00263 "002 38 .00I 48 .00r86"00i64"00I 04 .00218.001 55 .00r 60 .00r 35 .00I 86 .00l7 4 .00187"00158.00
97 .OO
r 56 .00r45 .0085.00
1 35 .00250.002L4,00202.00226.00206 .00r 57 .00I89.00I 44 .00178.00232 "00r 33 .00263 "00202.00178.00182 .00226.00287 "00r86.001 66 .00263.00404 " 00404 "00I 68 .00
T71819202I))2324252627282930313233343536373839404I4243
176
44 Act,ual S 210 "00
= ===::========= ========l::::=:l:::::l========3!33=!3===
1_- Prices are company reconmended retail prÍ-ces for Manitoba dealers,spring I979 "
177
TABLE 14
Che¡rical Cos Es
=================================:====T=============z=Chern'ical Code Chemical Narne Price' Rate-
per Aere
1
)J
4567
89
IO1II2I3T415L6I718i9202I22232425¿o27282930313233343536373B39404I424344
2r4-D Amine 802,4-D EstimineAsulox FAt razine ( Pre )Atrazine (Pos t )Arrazine(Pr 50)Atrazine(Po 50)AvadexBI,I(BlyPeaAvadexBI,I(Wheat )AvadexBW( oils )Avenge 200-CBanvel BarleyBanvel(wht oatsBanvel3 BarleyBanvel3 OaÈsBuctril M
CarbyneCarbyne(Sugar B
CobexDalaponDifolatanEndavenCarbyneEndavenEndavenCarbyneEprarn(8-E) LiqEptan(10G) GranEradicaneEstapropFuraden 4.8Furaden 5GGammasanGuthion SC
IloegrassLoroxrAfolanLoroxrAf, MCPA
Mal-athion-Mothl,falathion-ArmyMalathion-AphidMCPA Aroine 80MCPA EstinineMCPA K-64MCPA S Salt 480i1 ConcenÈratePolyrarn 7
0.108800 .108800.561900.r95300 .195300 .208200.208206. i00006 .1 00006 " i00000.937500 .806700.806700.384400 .384400.467 501.289001.289000 .7 81251.650000.244L00 " 62500r.289r00.625000 "257 800.325000.285200.r66700.328100.8 10000.450000.i5000I .137500.731300. r57500.078000.078000.078000.157500. i86300.173400.17 4205.000000 .3 2000
I 0.500r0.5001 6 .00016 "00040
" 000r 6 .00040 .000
r "500i .2501.750
i 0 .000r.5002.0006 .0008 .0008 "0005 .000
r0.000I 2 .0001 2 .00018.000i8 "000
2 .0008 "000
44.00056 .0007 2 "00016.000
4 .0004.0000"7509 "000
I 0 .0004.0008 .000
10.00040.00020.00010"50010.500I 2 .0006.0000.2501.250
178
=-===== = == = = === = == ==== == = = === = == === === === == == = = = =::= = =Chenical Code Chemical Naroe pricel Rat"2
per Acre
45464748495051525354555657585960616263646566676869707L727374757677787980B182OJ
B48586878889909T
9293
RoundupSevin 80SS tampedeSuÈanf8ETCATreflan(0i1seedTreflan(Cereals )Diazi.nonTorchEmbutox E
EkkoEkko & 0i1RegloneLorsbanDyvelBeEanolBeËanexBasagranSencor 5Herbicide 273EsasolLanaËe .
BravoSupercideThfadann-45TeuikDimethoateI't-H-30Tok Rl"t
PremergeTotrilTok-E-25M-H-30RandoxCIPCGrauoxonePol-xrarn80Dalapn-F1axDalpn-Grass ConE thionDiathaneMatavenWipeouEVitavaxTarge tRandthalAsyleneSweep
1.210900.548000.348800.24i801.229700.507800.507800 . s00000 "776700 " 343803 .1 00003.100000.737500.232200 "37 920L.879402.35270
1 4.834000.247 50
10.4r0000.000000.000000.460000.6s0000 .70000r .780002.450000 .6 60000.160007.000003.310002.080007.080002.53000B .7 50004.93000
65 .000000 .200002.500002.500000.000000.00000r.48100i.201000 .297 100.000000 .000000 " 000000 .86000
32 .000r 9 .200I 4 .00056 .000
1.0001 6 .0001 0.0002.0004.500
i8.0003.000I .500
r 2 .000r 7 .5007.500
16"000r6.000
0 "800I 2.000I .1000.0000 "000
I 9 .0004.0008.0001.5002 "0004 .000
I 30.0001.2001.2006"8001.5006.5001.0001.000i "000
I 2 .0001 .0001.5000 .000
32.0007 .5005.0002.4008.0000 .0000.000
1 6 .000
179
======================================================1)ChernicaL Code Chemical Name Price^ Rate'
per Acre
- --=====:1======3:::::::::========9:3::::=======l=3!3=
1_- Prices are company recommended retail prices for Manitoba dealers,Spring 1979 "
t- Rate is expressed in standard units so that a consistenË raEe-pricerelationship is maintained.
180
TABLE 15
Seed Costs and Rat.es
CropCode
Price ofCommercial Seed and
0r Mosl SeedConvent.i onal Cleaning
Per Unít
InputRate of UnitsSeeding /Lcre
Cost ofSeed
TreatmeritPer Uni.l
I)345
6
7
89
t011L213T415L6T718
1920
2I
22
23
24
^trL)
26
Itrlheaf -
Oats- ?
øarLqy-Flax-"-Jljurutn nRye (Fal])'Raoeseed't't rstard5
oSunt-LôürersBuckwheat)-Field P.""/Haylage q
Corn Silage'GrazingS trawMixed GrainÕ-Tinothy SeedSAlfalfa Seed'
Sweet Clover5Bromegrass' Seed.
Meadow F"scrre5Seed -
Trefoil)Seed
Single-Cut Red)Clover Seedf
Cres t,ed I"IheatJ-grass seed -
Alsike CloverJSeed
Slender Wheat)-grass Ç6ed
Tame Hay^'
11Soybeans^' , ^ 0.L67urilitv l^IheaEr" 4.17porrtoå"1' o.o6Kencucky) L.24
Bluegrass Seed
4 "45r "372 "020.164.r32 "480.580 "303 .00.1955 "170.0
0.9680.00.0
i.70I .142.55
0.27i.15
i.00
2.65
0.67
0.76
0.47
0 .63
2.55
.46
.46
.46
.60
.46
.46
.540.00.00.0
0 .590.00.00.00.0
0.460.00.0
0.00.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0 .005.46
0 .0040.0
1.52.25L"75342"01.0
6
8.53"0
42"02"750.0L4
00
1.52.0
2"0/6=0.336.0
3"0/4=0 .753.s/4=0.883"0/4=0 "753.0/4=0.753"0/4=0.752"014=0 .50s.0/4=1.257 /4=t"75r04
r"75I 000
bu.bu.bu.1b.bu.bu.lb"lb.1b.lb.bu.lb.lb.1b.bu"bu.lb.lb.
lb"1b
lb.
1b"
1b.
lb"
lb.
1b"
rb.
lb.bulb.1b.
27
333435Jb
18r
============================================================Price of
Commercíal Seed and Cost of0r Most Seed Seed
Convent.ional Cleaning TreatllentPer Unit per Unit
CropCode
InpuERate of Uni.tsSeeding /Acre
37 SugarbeeËs1438 Field Bean"l54I Lentilsro43 Canary t"*gt45 Fababåans147 Grain C?6r548 Pasture"
50 Srrmmerf a11or¿5 1 Onions52 Sweet Corn53 Sudan Grass Seed
8"75NOc 0.25
.450 "250.230 .85r.r5
0.0
0.00.0
0.0050.00.00.00.0
0"0
2.045.0
608.0
I20"012.012 "6=2 "0
0
1b.1b.lb.1b.1b.1b.1b.
bu.1b"lb"1b.
:============
I rgza-tg79 canadian tr/hear Board price of No. r canadianiniesË.ern wheat plus cleani.ng. seed treatment is vitavax.
2 ßlA Manitoba yearbook price plus cleaning. SeedtreatEent is Vitavax.
3 rgza-tg79 canadian wheat Board. price of No. I canadi.antrIestern l{heat plus cleaning. seed treaËnent, is vit,avax.
L' March 7979, Manitoba pool Elevator price of Regent orTower Certified No. I-2. Seed Lreatment is Furadan.
q- The price is derived frour the Seeding Data table.c.
' The price is our estimate for treated oil-typehybrids.
7
treatxoent
Ibarley.barley.
o- The price is derived from the Seeding Data table. A6 year produetive stand is assumed.
I0 th" default is for alfal-fa hay only and assumes a 4year productive stand. The seed price used is Algonquin,Beaver, Certified No. L-2 ALf.aIfa seed from Manitoba poolElevaË,ors, March L979.
1978 Manitoba Yearbook price plus cleaning. Seedinclude inoculation plus Captan.
Mixed Grain consi.sts of 50 percent oats and 50 percentThe price of seed coues from those of oat.s andThe seed treatment used is Vitavax.
tI - r82
-- Seed price Íncludes seed t,reatment. and cleaning. Seedtreatnent cost is for i-noculation.
t2-- 1978-1979 Canadj.an l,lheat Board price of No. I CanadaUËi1ity Wheat plus cleaning. Seed treatment is Vitavax.
13_-- Seed treatment. is polyran 7. Cost, of cutting is notincluded in the seed or t,he seed treatmenL prices.
1l!^' The seed price includes all seed treatments requiredand was obtained froro the Manitoba Sugar Coupany.
15-Seed price includes inoculation.16 S""d price is 1980 Manitoba Pool Price for seed.
Seed ÈreaË,nent. i.s for inoculaEion.17
Seed pri.ce is l9B0 Manitoba Pool Price for seed.
18 S".d treatment is for inoculation.19 P""t.rre seed consists of. 75 percenË Brome and
25 percent Alfalfa, Canada No. I lfixt,ure froo Manitoba Pool,March 1979 price 1ist. A 6 year production stand is assuned.
183
TABLE i6
Land Taxes
============================================================Municipality Naroe Assesed
ValueMi1l Rate
Per (000$)Land Taxes
per acre
10I Albert119 Alonsal3I Archie132 Argyle139 Armstrong141 Arthur171 Bifrost181 Birtle191 Blanchard201 Boulton211 Brenda212 Brokenhead221 Carneron231 Cartier251 Clanwilliaro252 Coldwell26I Cornwallis27I DaIy272 Daupt:.ín281 Desalaberry282 Dufferin302 Edward3ll Ellice312 E1Èon33I Eriksdale332 Ethelbert339 Fisher361 Franklin371 GilberË Plains381 cinli401 G1enella402 Glenwood409 Graharndaie421 Grandview451 Grey452 Haniota461 Hanover462 HarrisonlrT l Hillsburg481 La Broquerie482 Lae du Bonnet491 Lakeview492 Langf,ord493 Lansdowne
L7 .04r.50
2r.722L.203.30
2L.3223.8623.9532.5316 .0926.9927 .29r8.8556.27L2.454.84
i3.8623.6518.7634.2746 .83L7 .T212.9437 .6r
3 .993.76
10.3023.6023 "392r.2216.2630. 102.40
17.7727 .9r34.7 3
25.952r.06
7 .375.43I "51
r0 .9219.6216.27
96.200009 6 .5 000085.60001
108.50000I 12.30000
9 7 .0000097 "8999987.7000093 .2000093.3999992 .0000098.2000084 .2000098. 00000
r 06 .50000I 6 r .8000066.8000072 .5000099 "50000
100.200006 r .89999
103.2000066. 1000rB 5 .50000
l 55 .00000168.89999
3 6 " 20000L22.3999990.1000r
r03.7000099.0000089 .30000
r 19 .7000092 .30000
100.6000r77.89999
104.1000197.s0000
111.1000it42.39999I 13.2000079.80000
1 04 . s00001 00 .7 0000
I .6390.145r.8592.3000 "3712 "0682.3362 .1003 "0321.5032.4832.680r.5875.5i4L.3260.7830.926r.715L.8673.4342.899r.7670.8553.2160 .6180 .6350.3732.8892.r072.20rI .6102.6880.2871.6402.BOB2.7052.7 0L2 "0530.8r90.7730.9630.87r2.0501.638
184
ìlunicipality Narae AssesedValue
Mill RatePer (000$ )
Land Taxesper acre
501 Lawrence502 Lorne503 Louise5 l0 MacDonald531 McCreary541 Miniota542 Minitonas551 Minto552 l"lontcaln561 Morris57I MorËon572 Mossey River601 North Cypress611 North Norfolk621 Oakland622 Oehre River623 Odanah641 Penbina66I Pipestone671 Portage689 Reynolds691 Rhineland692 Ritchot701 Riverside7 I I Roblin721 Rockwood722 Roland723 Rosedale724 Rossburn732 Russell730 Rosser741 St. Andrews7 42 St. Anne76L St. Clement77L SE. Laurent791 Ste. Rose801 Saskatchewan812 Shell Ri.ver811 Shellmouth813 Shoal Lake821 Sifton822 Siglunes823 Silver Creek841 South Cypress842 South Norfolk850 Springfield851 Stanley862 St,ratcona861 Strathclair
6.9833.4730.9048.88
8 "4224.59L6.2I27 "2145.7 944.432r.87
3 .5524.8024.s729.2715.1130.2730.4623.0638 .91
2 "3058 .0267.1723.3922.6931.9955.8020"00i5.652r.6642.7 5
37.7319.7529.17L0.7712.6030 .3017.75r5.6822.37L6.745.34
23.301r.9920.5948.4745.0817.5825.80
1 i8 .30000r 19 .7000082.7000089.60001
196.2000093.89999
1 I 2 .8000095.10001
108.3000086 " 80000
103.10001243.80000i05.00000
9 6.0000095.8000080.8000095.0000095.10001
102.1000184. r 000186.3999991.5000099.1000190.1000193.300007 3.2000067 .39999
118 .6000r.r07 .60001r04.70000
7 0 .7 000090.0000092.3999995.8000073.20000
r 18 .5000085.6000 1
9 I .2000094.0000098.3999997. 1000r
15 r.700009 6 .00000
10r.300001 14.89999
7 5.8999991.50000
1 16 .50000108.30000
0.8264.0062.5554.380r.6522.309r.8282.5884 "9593.8572 "2550 "8652.6042.3592.804I "2212.87 6
2,8972.3543.2720.r995.3096.6572 "r072.1T72.3423.7 6L2.37 2
r "6842.2683.0223 .396r.8252.7940.7881.4932.594r.619r.4742 "20t1.6250.8r02.237r.21.52.3663 "6794 "r252.0482.794
r85
Municipality Nane AssesedVa.l-ue
lfill Rateper (000$)
Land TaxesPer acre
869 Stuartburn 2.7087I Swan River L7 "45881 Tache 45.69891 Thornpson 39.9091 1 Turtle l'lountain 24 "8I92I Victoria 15.68931 l,lallace 20.30951 Westbourne 20"94971 Whitehead 22.249 73 White!¡ater 31 " 40974 l^Iinchester 2I .7 6991 i{oodlands L3 "23992 Woodworth 20.83
103. I00011 13 .2000077.1000186.2000093 .00000
1 r4.3000093 "0000096"7000077 .7 000098.80000
I 10.89999r 06 " 3999987"10001
0.2781.9753.5233.4392 "307r.792r.8882.025r "7283 .1022.4r31.4081.814
186
TABLE 17
Overhead Costs and Land Values
===================================================ICrop Overhead Costs' Land
District fann SiãErno SiããÏãrro Size VatueIII II
r 4.452 6"38
3 .653.49
3 .7 6 2L4 .433 .48 L86 .223 "43 162 "263"29 17s.rr3 .7 5 22L .413.48 348. i44.48 202.665 .03 214 "555.39 354 "8i5.46 L69 "065.53 41s.404.77 172.64
3 4.r4 3.604 3.97 3.605 4.746 4"847 6.46 5.248 6.62
4.093.52
9
10I1T2
6 "573.927.r73.20
5.385.774.006.533 .68
===================================================
1-1979 values, D. McNair, Dept. of AgriculËural Economics and-FarrnManagement, Universit,y of Manitoba.See Chapter 5 for indexing procedure.
r87
TABLE 18
Crop Codes and Output Prices
============================================================CropCode
Name Price Grade Unit
I2
J
456
7
8
9
10
IIT2
13T415T6
T7
l8I9
20
2I
22
23
)lL
25
26
27
1
I^Iheaç-Oats-
rBarley'
I¡'lax-IDurçmRy"t- .1Kapeseegl"lus tard-
)Sunflowerg-Buckwheat-
)Field Pças-IIaylage' (a11
ensilagedohays )Corn Silage'Grazipg_)s treü7Mixed .Grai.nr
Llimothy Seed,Alfalfa Seed'Sweet Clover4
Seed'Broueg¡ass
Seed'MeadowrFescue
Seed'Birdsfoot Trefoil
SeedaSingle-Cut Ref
Clover Seed'CresteÍ Wheatgrass
Seed'Als ike . C love r
hSeed'
Slende¡ InlheatgrassSeed'
Tame Haya(a11 fgrages)
Soybeans- 1
Utility WheatrPolatoes
3 cw bu.1 Feed bu"(2 Feed and 2 cw) bu"
/z2 cw bu.3 cw bu.2 cw bu.Ic bu.yellow and (brown 1b.
and oriental-)/2lb.
(Mancan & Common) bu.Itt L
bu.
55% noisture60% rnoisture
L/2 (lfz) & r/2(#3 )
$ 4.48I "402.46
7 .625 .082 "966 .50
.09
.093 .93
4.35
25.32r 5.00
19.76r .93
.481.30
0 "08
0.45
0"45
r .50
0.30
0.25
0. i5
0.20
37.507 .254.483 .60
ton
':1tonbu.
1b.lb.
lb"
lb"
lb.
1b.
lb.
lb.
lb.
lb.
tonbu.bu.c$/t.
3334J)
Mixed Forages
1cu
188
Name PrÍce Grade UnitCropCode
36 Kentucþy Bluegrassseed" , 0.60
37 Sugarbeets', 30.4538 Fietd Bçans' .194I Lentils' .2043 Canary Seçdb .iI545 Fabaþeanst .0747 Corn' 3.0048 Improved Pasture50 Summerfallow5t Onions52 Sweet Corn53 Sudan Grass Seed
lb.tonlb.lb.lb.lb.o::
CI,It .doz.lb.
:= === == = = == ==== = ====== === = ==
lM"oitob" Yearbook - estinat ed. I979 prices.)-MDA John Rogalsky"l!'Haylage is assigned the value of alfalfa - brome haylage.This value is based on corn silage and alfalfa - bronehaylage's relative TDN and cotal proteln.lL-Manitoba Yearbook - 1978 prices.5Bas.d on Alfalfa and strar¿'s relative TDN and total protein.6fggO contract prices - Northern Sales"
c"l INPUT DATA FORMAT GUIDE
All client input data i,/i11 be free
each piece of dara infornation. The
rea1, or alphanumeric. A decimaL must
with the int,egers. Alphanuneric data
format.
data is
be used
nay only
That is a
specif ied
wi th real-
beaTor
blank
either
number
Ë
190
separaEes
inL ege r,
and none
C.2 CLIENT HEADER CARD
1. Client record number. (Integer)
2. Total number of acres" (Real)
3" the municipality number. (Integer)
4. NLABCH 0 Read number of changed labor coefficients. The changed
labor coefficients have the format Tillage Code, New Labor Coef-
ficient and folIow the Clienc Ileader Card. (Integer)
C.3 MACIIINERY INVENTORY DESCRIPTION CARD
1. Tillage code. (Integer)
2. Year of machine. (Integer)
a) Rental equipment -- the price code is $/hour if year=O, if the
year is l, the pri.ce code is $/acre.
b) Custon operations -- Lhe default price can be overridden when
year = 0 and the optional price is given Ehe charge is $/hour;
when year -1 and the optional price is given Ëhe charge j-s
$/acre. If the year is greater than I and charge per hour is
seL equal to 0.0, the default charges per acre are used.
3. the inventory number of the tractor that is used to pul1 the im-
plement. (ff applicable, oÈherwise 0) (Integer)
191
4" The size of the implemenË - width, capaciËy, horsepower etc.
(Rea1 )
5. 0ptional price data. (i.e. user supplied price) (Real) irlhen
equipmenË is rested and for custon operaEions , this fieLd con-
tains either the $/hour or $/acre charge depending whether the
year is 0 or I.
this daÈa nust. be placed one per card with at least one blank sepa-
rati.ng each dat,a item.
The end of the nachinery inventory is coded 999 0 0 0. 0.
C.4 LIVESTOCK MACHINERY INFORMATION
1. Number of set,s of dat,a inforlrat.ion to be read between 1 and ten.
(Integer)
2. Machine Inventory Number. (Integer)
3. Ilours used on the livestock enterprise. (Real)
This data can be placed one per card or it can be punched across the
card as long as a blank separates each data item" This data is the
Ë,ractor hours used on livestock.
192
C"5 TILLAGE PRACTICE ITEADER CARD
1. Dist.ance field Eo on-farrn storage or market. (Rea1)
2. i^teight per bale. (Real) If this weight is zero, then a default of
50 lbs is used.
3. Percent of land Ëhat j-s heavy soil. (Real) The percent of land
rhat is heavy soil will be defaulÈed ro 507" íf. chis data field is
coded as a negative number.
4" T - Client own the land. (Alphanurneric) F - Client rents the
1and. (Alphanu¡oeric)
5. Rent per acre ($) of land if it is rented, otherwise it is 0.0.
If land is rented and rent per acre is zeto, rent is t,hen de-
faulted to investment in land & buildings + taxes. (Real)
6. T - Unirnproved land. F - Iuproved land. (Alphanu¡neric)
7. Crop Insurance Payments received by the farmer (Total $ per
acre). (Real)
8. Is the field irrigated? T - yes F - No
C.6 IRRIGATION OPERATING COST CARD
9. l{iscellaneous Capi.tal Costs per Acre. (Real)
10. Total Acres of this field that is irrigared. (Real)
11" The hours of use the system is used on this field. (Real)
12. The hours of labor that are used on rhis field" (Real)
13" The gallons punped per minute in U.S. Gallons. (Real)
14" The lift in feet. (Real)
I5. The purnping pressure. (Real)
r93
C,7 CROP INFORMATION CARD
i. Crop code. (Integer)
2" Acres of the crop gro\./n. (Rea1 )
3. Average field size. (Real)
4. Yield per acre of principal crop. (Real)
5. Crop code of secondary crop (e.g. sËral¡¡, grazing).(Integer)
6. Yield per acre of secondary crop. (Real)
7. Crop insurance preuiuro (yield + hail) paid by the farmer. (Real)
8. Drying cost per bushel. (Real)
C.8 SEED INFOR},ÍATION CARD
1. Number of differenE seed types per field Ëo be read in up to a
maximum of 5" (Integer)
2. Price of the first seed type including seed cleaning. (Oefaulted
if -1.) (Real)
3. Cost of seed treatüent for the first seed type. (Defaulted if
-1.) (Rea1)
4" Seed rate of application. (Defaulted if 0.) (Real)
5. Input units" (Integer)
a) -bushels/acre-I
b) -pound/acre-2
c) -kilograms/acre-3
d) -tota] cosË/acre-4
194
C"9 FERTILIZER DESCRIPTION CARD
1 " Number of different types of fertilizer to be used on t.his field
up to a maximum of 5. (Integer)
2" Fertil-izer code. (Integer)
3. Fert,ilizer applicaËion rate. (Real)
C.10 CHEMICAI DESCRIPTION CARD
t. Number of dif f erent chemicals t.o be used on this f ield up t,o a
maximum of 15. (Integer)
2. Chemical code. (Integer)
3. Chemical rate of application. (Defaulted if 0.) (Real)
4. Acres sprayed. (Oefaulted = all if 0") (Real)
C.11 TILLAGE PRACTICE CARD
t. Machine Inventory Number. (Integer)
2. Number of tines over ( Real )
Columns 1-3 = 999 indicated the end of a field record.
Columns l-3 = 888 indicates Ehe end of a client record.
The end of field record is coded as 999 0.
The end of client record is coded as 888 0.
** NOTE ** Whenever an end of field record is coded i.e. a 999 0.
card, the next field starts with a Tillage Practice l{eader Card.
195
C.Lz INTERACTIVE INPUT
Al1 client input data will be free format. That is a blank separates
each piece of data informat.ion.
Default values are available for all items when a zero is entered in
lieu of requested infornation. This feature should be used wit,h cau-
Ëion" A full list of default information will be provided.
196
C"13 CLTENT INFORI4ATION
1. Do you wish to receive the short or long forn of Ehe questions?
This question applies to the inLeractive operation of the prograûr
but roust be answered to maj.ntain operaËiona1 consistency.
2. Enter client record identification number.
3. Enter farm identification title or name.
4. Enter the total culËivat,ed area of the farm.
5. Enter Ehe municipality number.
6. Do you have any livestock?
7. Enter t,he nachinery inventory one machine at a tine. The values
on each h.ne are:
a) l,fachine. type code number.
b) Size of machine.
c) Year of manufacture.
d) Current replaceuent cost,.
e) If there i.s stock also enter the hours/year that this nachine
is used in the livestock enterprise.
8. Do you wish to enter field and crop information?
197
C.L4 FIELD INFORMATION
C.L4.1 General Description
l. Enter the field identification name, title or number.
2. What is Ehe cultivated area of the field?
3. I^Ihat is the average distance from field to storage Eo market?
4. hrhat percent,age of the f ield i.s heavy soil?
5. Is this field on ovmed land?
6. If hay or straw was harvested from this field, what was Ehe aver-
age bale weight?
C.14"2 Input Descrlption
1. Enter the value of crop insurance prerníums paid by the farmer.
2" Enter the drying cost and the quantity dried"
3. Variable inputs and crop production are all entered in the same
ûlanlr.er.
a) Iteu code number.
b) Rate or yield.
c) Price per unit of t,he above.
d) Area of use or production. This option may be used to pernit
partial use on crop or when less than the entire field in
treated or harvested"
4. Repeat 3 to enter the inforroation for:
a) Seed
b) Fertilízer. The codes used for fertilizer are Ëhe actual
f or¡oulations "
c) Che¡uicals
198
d) Crop production
5. Enter 0 0 0 0 to terninate each list.
6. Enter crop insurance payments receíved by the farmer.
C.i4"3 Tillage Practices
1 " Tillage pracEices are enËered using the sequential nuuber as-
signed in t,he Machinery InvenEory Section. They are entered as:
a) Inplenent inventory number.
b) Inventory number of associated Ëractor if applicable; other-
wise 0.
c) Nunber of times over.
2. This list is terminaËed by 0 0 0.
3. Are Lhere more fields? Tf, this question is answered yes, then
. responses to quesËions in the Field Information Section must. be
repeated.
199
C.I5 EXAMPLE OF INTERACTIVE OPERATION
\famCongratulatfonsl You âre qow executlng
The Unlver8{ly of ¡{anl¿obs
Iot.t""tlr" Fam ManateEenÈ Software PackêBe
AE pre8ent che packåge conafst8 of only five uÈllity prograEa.More slll be added a! a laÈer dace"(l) A fertflfzer protraE shlch fncorporates probabllltles of qeather
condltlona, containing sithfn the progræ a Eype of rfsk aMlysls.(2) ¿ gratn atorage and fam atorage pro8r@ shoHlng coats for Lnterest,
lnaurance, storâge, shrluk and handlfng.(3) A uchtnery cosr progran vhlch developa coat per ecre and per hour
for dlfferent. coaË-size cmblÉtione of equipoenÈ.(4) A progræ qhlch pemfts the u6er Êo lncorporaÈe hls begt guesses
abouc an uncertaln future lnÈo a discouncfng analysfs whlchdeceralnes hos ouch can be pald for land"
(5) A progræ Èo calfbraÈe different sprayer tank Bizes.(6) A detalled crop encerprlae budget generatlon progran.The progru qæes are :
[å] äiåi(3) ¡rAclr(4) L.AND(5) ÎANK(6) cRoP
the pro8ra@er aaaues no responsibfllÈy for the operatlon of the routlnes.GOOD LUCKI
RC 0012Enter nane of progran.:erop
RC 0012PLII CHECKOIJ'T VI R3.O PTF27 9 SEPT 80
TIME I5.34.16OPTIONS SPECIFIEDF(s)
NO SYNÎAX MESSAGES
NO GLOBAT, IÍESSAGESMESSAGES SUPPRESSED 6 ITRANSLATE TIIfE O.OI MINS
Do you sanÈ the long fom of ¿he questlons? 2 y
INTRO BLURSEnÈer cllent record ldentiflcaÈlonCLIENT# : 8
!
Enter farn ldentlflcaÈ1on t1ÈIe.NA-IiE : leateâE Fama Inc.
WhaÈ EunfcfpalfÈy Is thfs ln?IIUNICIPALIIY# : 88I
200
Do you have any lLvestock?STOCK : no
Encer the mchfnery lnventory one @chlneaÈ a cfEe ag the descrlptlon order fndicaÈes.At the end of the llsc rype 0 0 0 0
IWENTORY : }'ACHINE : MACHINE: YEART LISTNIJHBER :CODE :SIZE :NEIJ :pRICE
I :I0I 70 1975 0
2 : l0l r50 1977 0
3:2O20197704:52619970
5:2360196906 :28 l8 1972 O
7 |32 12 1975 o
I : 36 100 t975 o
9 : 36 275 1975 0
l0
ltT2 :00 00
Do you wleh Èo enter fleld and croplnfomtlon?
yes
Nos enter the descrlpefon of each fleld to be budgetedFlrsC enter the ffeld ldentÍffcaclon naEe
FIELD NAME : IJhea!
What ls the cultfvated area of the ffeld?AREA : 150
l.Ihar ls the aveiage dfstance froo fleld cosÈorage to narket?DISTANCE
Whac percenÈage of the fleld ls heavy soll?SOIL :50
Is thls ffeld on omed land?oITNERSHIP : yes
ls chis loproved land?IIÍPROVED : yes
: 26 50 1970 0
: 10. 6 1970 0
t4
201
I,¡hac ls Èhe average field slze?thls reflecÈs @chinery efflcfency loes"
SIZE : 150
If hay or straw was harvesced froE thlsfleld, whac waa Èhe average bale uelght?
BATE HEIGHÎ
Is the fleld lrr{gated? Yes or No.IRRIGATED :NO
Eneer Èhe crop lnsurance preElu pald, oCherwlse 0PRnlIIru
:0
;0Encer drylng cost æd percentage of the crop thaÈ Is drled.DRYING: RAÎE PERCENTCoSTS : 0 0
Varlable ftrputa êre â11 e¡tered fn the sauesay. Rate snd Prfce are optlonaland Area Eay be uaed to pemft parÈfal u8e on the ffeld.When Èhe llst 1s conplete enter 0 0 0 0
EMIER: SEED RATE PRICEI : 1.5 1.5 4 "35
2 :0 0 0
E}¡ÎER: FERTILIZER RAÎE PRICEl:362"502 : 9 274 0
3:000ENTER: CIIEMICA¡ RATE PRICE
l:8002tO0O
AREA0
0
AREA0
0
0
AREA0
0
Enter fteld productlon ln Èhe saEe Mnner. The lfsÈ ends sLfh 0 0 0 0EMTER: CROP YIELD PRICE AREA
l:14001502:0000
202
Now Ehe tillage pracÈlces are enÈeredu8lng the nuber code assigned in the¡lachlnery InvenÈory 6ectlon.End the llst Hich 0 0 0
I
7
J
4
5
6
7
I
9
IO
ll
Are Èhere Eore fields?
yes
FIELD NAME : Rapeseed
What lE Èhe cultlvated ârea of the ffeld?AREA : 380
What fs che average diatance froE ffeld toatoEage ¿o Earkec?DISTANCE 2 4
f{haÈ percenÈage of the fleld fs heavy soll?sotL : l0
Is thfs ffeld on oqned land?oÍ.¡NERSHIP : yea
Is thls luproved land?IMPROVED : yes
f{har ls che average fleLd slze?This reflectg Mchlnery efflcfency loes.
IMPLBIENT I
NTJHBER I
:3:4:5:6
:10:9: ll:l.J
:0
TRACTOR I TIHESMfiBER I OVER
II24L40t2TII0l
30 I
0tOI00
: 380
¿\))
If hay or strav eas harveeted fEoE lhlsfleld, uhac uas lhe average bale selght?
BA.LE mIGET : 0
Is lhe ffeld lrrl8ated? Yea or No.TRRIGAlED :No
EnÈer the crop fnsurance preofu paldt othemlse 0PR.&lltlt i0
Enter dryfng cost ed percentage of the crop Èhst 18 drted.DRYING: SATE PERGNÎCoSTS : 0 0
Varlable lnputa are all encered ln the saueway. Rate and Prl.ce are opÈfomland Area my be used to pemit partlal use on the fleld.l{hen Ëhe l1st is coaplete enter 0 0 0 0
ENIER: SEED R-dtE PRICE Â.REA
t : 7 .12 7.35
2.000ENTER: FERTILIZER R.ATE PRICE
l:412802275803332304.916905:000
ENTER: CHE¡IICAL RÂTE PRICEl:ZSl0022000
Enter f leld producÈ1on ln lhe sate Emer o
EMTER: CROP YIEID PRICEl:7400Z:000
AREA0
0
0
b
0
A.REA
0
The l1sÈ ends vlth 0 0 0 0A.R,EA
0
0
204
Now Èhe tlllâge prsctlce8 are enÈereduslng the nuEber code assigned fn theMachfnery InvenÈory sectlón.End rhe llst sith 0 0 0
I
2
3
4
5
6
7
I9
l0
ItAre Ehere uore flelds?
ye9
FIELD NA¡IE : Sll@erf allow
Hhat 1s the cultfvaced area of the fleld?A.REA I 27O
l{hat ls the average dlsÈance froE fleld tosÈorage Ëo EarkeË?DISTANCE
IMPI^EMENI I
N1JUBER I
!4
t6
:10.o
: l1
30
TRÁCTOR I ÎIMESNIJHBER I OVER
II
¿4
t40l2LIIOI
30 I
0l0l00
:l
f{haÈ percentage of rhe fleld le heavy sotl?sorL : l0
Is thls fleld on. omed land?oI.INERSHIP ' : yes
IIs Èhls lnproved land?IHPROVED : yes
l{hac ls the average fleld slze?Thls reflects Mchlnery efflclency 1oes.
stzE : 27Q
205
If hay or stras waa harveated fron thlsfield, shat Has the average bale uelght?
8ÁTE WEIGHÍ
Is che field lrrlgaced? Yes or No.IRRIGAÎED :NO
Enter the crop lnsurance preEl.u pa1d, otheruise 0PREMIT'}1
:0
30
Enter drylng coaÈ aEd percentage of the crop that ls drled.DRYING: RAIE PERCENÎCoSTS : 0 0
Varfable fûpuËs are ali. entered lD Èhe saoeway. Rate end Prlce are opÈlonaland Area æy be ueed co pemlt partlal use on rhe ffeld.
When the llst 18 conplete enÈer 0 0 0 0EI¡TER: SEED RÂTE PRICE AREA
l:0000
ENIER:t:
FERTI,LIZER RAÎE PRICE AREA000
RATE PRICE AR.EA
000ENTER: CHEMICAL
l:0
Encer fleld productfon ln the sane Danner.ENTER: CROP YIELD PRTCE
1:5000
Noo the tlllage practlces are enteredusing the nuber code asslgned ln thel,fachlnery InvenÈory sectlon.End Èhe LisÈ s1Èh 0 0 0
the llsc ends ulÈh 0 0 0 0AREA
0
0
I
2
3
4l
5
A¡e there oore ffelde?
IHPLEHEI{I I TRACTOR I TIMESNIJ}IBERINTJMBERIOVER
t424:5I4:101z20l:000
:no
Do you wish to enÈer fleld and croplnfo rEaElon?
no
Is Èhere anocher cllent?: no
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1.5
Ava
dexB
H(B
lype
a1.
3 B
anve
l B
arle
y
See
d T
reat
nent
Coa
ts1.
50 B
ushe
ls,/A
cre
See
d C
oara
Inc
ludl
ng S
eed
Cle
anln
g1.
50 B
ushe
ls/A
cre
Labo
r 22
5.70
Hou
rs
Inte
reat
oo
Ope
ratln
g C
aplta
l
Tot
al V
arla
ble
Cos
t
Tax
ea
MÂ
chln
e ln
aura
nce
Ele
ctrlc
ty,
Hle
cella
neou
g O
verh
ead
Cro
p E
nter
prls
e S
unM
ry f
or R
ecor
d #
Phy
6lca
l R
ecor
d
For
15
0. A
cres
of
Tot
al C
aBh
Cos
tg
Cas
h R
etur
n8 (
Yle
ld X
prlc
e -
NeÈ
Cas
h R
etur
n
Dol
lar
Rec
ord
5.50
5.ll
7 .4
42t
.23
9. r
5r.
03
0.69
6.53
I .3
8
4.90
69.9
7
3.9r
0.26
6. r
0
73 "
57
825.
59 v
767.
10 v
tll5.
62 V
3185
.25
V
1372
"50
vr5
4.89
V
t03.
50 v
978.
75 v
t257
.58
V
734.
62 U
586.
95 F
39.7
1 F
914,
41 F
l.lhe
at
'40.
0 x
4300
.87
t527
"39
Fle
1d I
4.48
)r7
9.20
r 05
.ó3
I 04
95
.38
tt035
"54
2 68
80.0
0
rs84
4 "4
6
N) O
Iear
197
9
Inpu
t
Fue
l &
Lub
rlcat
lon
Rep
alra
Fe
rt I
llze
r12
8.0
Lbs/
Acr
e ló
2000
t458
.0 L
bs/A
cre
6200
23.0
LbB
/Acr
e 11
4800
0016
9.0
Lbs,
/Acr
e 34
0000
00
Che
ol c
a I
s
10.0
Ept
ao(8
-E)
Lfq
See
d T
reat
Den
t C
oata
0"12
Bu8
hels
/Acr
eS
eed
Co6
ta ln
clud
lnB
See
d C
.lean
fng
0. l2
Bue
hele
/Acr
e
Labo
r 57
I.76
Hou
re
Inte
rest
on
Ope
ratln
g C
aplta
i.
Tot
ál V
arla
ble
CoB
È
'Iaxe
a
Mac
hlne
Ineu
ranc
e
Ele
ctrlc
ty.
MLs
cella
neou
s O
verh
ead
Cro
p E
nter
prls
e S
umna
ry fo
r R
ecor
d I
Phy
alca
l R
ecor
d
For
38
0. A
cres
of
Tot
al
Ca6
h C
ostg
Dol
lar
Rec
ord
5. 3
0
5.Il
9.47
3.O
22.
74r3
. t0
2.58
0.0ó
0.88
8. 3
8
3 .5
3
s4 "
t7
r .3
0
o.26
2.03
57.7
8
Cas
h R
erur
ns (
ytel
d X
prr
.ce
-
Net
Ca6
h R
etur
n
2015
.12
v
1943
.32
V
3599
.36
vIt4
6.08
v10
40.0
6 v
4977
.O4
v
979.
64 u
24.6
2 v
335.
t6 v
3t85
.86
v
1339
.95
v
495.
65 F
100.
59 F
772.
t7 F
Rap
eeee
d
40.0
x
to?
62.5
4
979.
64
Fte
ld I
6.s0
)26
0.00
202-
22
20s8
6 .2
0
2r9s
4 "6
0
9880
0.00
7 68
45 "3
7
N)
Yea
r 19
79
Inpu
t
Fue
l 6
Lubr
lcat
lon
Rep
alrB
Fer
È 1
112e
r
Cro
p E
nter
prls
e S
@m
ary
for
Rec
ord
#
Che
nlca
Ìe
No
Che
ulca
le U
sed
See
d T
reat
eent
Co8
Èa
See
d C
oatB
Inc
ludl
ng S
eed
Cle
anln
g0.
0 B
ushe
I6/A
cre
Labo
r t4
3.04
Hou
re
Inte
reat
on
Ope
ratln
g C
splta
l
Tot
el V
arla
ble
Cos
r
Tax
ea
Hac
hlne
lna
uran
ce
Ele
ct.r
lcty
, M
lece
llane
ous
Oye
rhea
d
lota
l C
aBh
Cos
tg
Phy
alca
l R
ecor
d
No
Fer
tfllz
er
U6e
d
Caa
h R
etur
ns (
Yte
ld X
Prlc
e -
Net
Cas
h R
etur
n
For
27
0. A
crea
of
Dol
lar
Rec
ord
673.
49 v
390.
10 v
Sum
me
rfaI
IoH
0.0
2.95
0.68
7 .5
7
1.30
0.26
2.03
u. t7
0.0
x
0.0
v
0.0
v
797.
OO
V
184.
r4 v
352.
17 F
7t.4
7 F
548.
ó5 F
3017
.03
0.0
)
Fle
ld
I
0.0
-t l.
r7
2044
.7
4
0.0
-301
7.03
N)
N)
L A
crea
ge
By
Cro
p(ac
ree)
IL
CoB
t of
Pro
ducE
lon
l. F
uel ú
Lubr
lcar
lon
2. R
epal
ra3.
Fer
¡lllz
er4.
Che
nlca
le5.
See
d T
reaÈ
Een
t C
oets
6. S
eed
É C
Ìean
ln8
Co6
È7.
Tel
ne C
o6tg
8. L
abor
9. C
usto
n C
harg
eg10
. I¡
¡ter
est
Ope
r. C
åp.
ll.
Cro
p In
aurs
nce
preE
.12
. D
ryln
g C
osts
¡3.
Equ
lpE
ent
Ren
taI
Cha
l4.
lota
l V
arla
ble
CoB
t15
. R
ent
16.
Tax
ee17
. l,f
achl
nery
lna
urån
ce18
. E
lecÈ
ric }
llsc
Ove
rhd
19.
Tot
al C
âsh
cost
8
III.
Hac
hlne
ry R
epla
ceoe
nt
IV.
Gro
as R
etur
ns
21"
Ave
râge
Y
leld
/Acr
e22
. A
vera
ge pr
lce
23"
Cro
p In
eur.
Rev
enue
24,
Str
aw (
g/A
cre)
25.
Gra
zlng
($/
Acr
e)26
. T
otal
Gro
aa R
etur
ns
V.
Net
Cae
tì R
etur
n (2
ó-19
)
CaB
h R
etur
n/C
urre
nE I
nvô
Ca6
h R
erur
n/R
plcE
r ln
v.
Tot
al C
ost
a¡rd
Ret
urn
Sun
Mry
per
Cro
p F
or R
ecor
d N
mbe
r g
Typ
e of
Ent
erpr
lae
t50.
825.
5976
7.rO
4300
.87
t527
.39
103.
5097
8.7
50.
012
57.5
80.
073
4.62
0.0
0.0
0.0
r 04
95.
380.
058
6.95
39.7
191
4 .4
1t
r03s
. s
4
3058
.86
40.0
04.
480.
00.
00"
026
880.
00
1584
4 .4
6
22.3
2
19.2
6
Rap
esee
d S
umre
rfal
low
380.
2015
.12
t943
.32
t07
62.5
497
9 .6
424
.62
335.
l6
0,o
3 r8
5 .8
60.
0I
339
.95
0.0
0.0
0.0
2058
6 .2
00.
04
95 .
65r0
0.59
772.
172t
954.
60
7749
.t2
40 .0
06.
500.
00.
00.
098
800.
00
7 68
45 "
37
t 2.
73
36.8
7
270.
673.
4939
0. l0
0.0
0.0
0.0
0.0
0.0
797.
000.
018
4.t4
0.o
0.0
0.0
2044
.7
40.
035
2.17
7t.4
754
8.65
30r7
.03
s505
.95
0.0
0.0
0.0
0.0
0.0
0.0
-301
7.03
-2,3
6
-2.O
4
Tot
al
800.
3514
.20
3 r 00
.53
r 50
63 .
4 I
2507
.03
t28
"12
l3t
3.91
0.0
5240
.44
0.0
2258
.7 I
0.0
0.0
0.0
33t2
6.32
0.0
t434
.71
2lr
.7 7
2235
.23
3600
7 .
t 7
r631
3.94
0.0
0.0
0.0
0.0
0.0
t256
79.9
4
896'
t2.7
5
23.6
8
20.4
4
Fam
Ave
rage l. 4.39
3.88
r8.8
33.
130.
l6I
.64
0.0
6.55
0.0
2.82
0.0
0.0
0.0
41.4
10.
0r.
790.
262.
7945
.0t
20 .
39
0.0
0.0
0,0
0.0
0.0
157
. l0
1t2,
09
23.6
8
20.4
4
Psg
e
N)
UJ
I. A
crea
ge B
y C
rop(
acre
e)
II.
Cos
t of
Pro
duct
lon
l. F
uel
 L
ubrlc
atlo
n2.
Rep
alrB
3. F
erttl
lzer
4. C
heE
lcal
g5.
See
d lre
atE
ent.
Coa
ta6"
See
d &
Cle
anln
g C
o6t
7. T
vlne
cos
t88.
Lab
or9.
Cus
too
Cha
rgea
10.
Inte
rest
0pe
r. C
ap.
ll.
Cro
p In
aura
nce
Pr@
.12
. D
ryln
g C
oscg
13.
Equ
lpue
nt R
enta
l C
ha14
. T
otal
Var
labl
e C
ost
15.
Ren
t16
. la
xea
17.
I'f.a
chin
ery
lnau
ranc
e18
. E
lect
rlc [
tlsc
Ove
rhd
19.
Tot
al C
êBh
CoB
ts
III.
lfacl
rtne
ry R
epla
ceoe
nt
lV.
Gro
ss R
etur
ns
21.
Ave
rage
Y
letd
/.Acr
e22
" A
vera
ge P
rlce
23.
Cro
p In
sur.
Rev
enue
24.
Str
ás (
9/A
cre)
25.
Gra
zfng
($/
Acr
e)26
. T
otsl
Cro
6s R
etur
na
V"
Net
CaB
h R
etur
n (2
6-19
)
CaB
h R
etur
n/C
urre
nt I
nv.
Cas
h R
eÈur
n/R
plco
t lo
v.
Coa
t an
d R
etur
n P
er A
cre
per
Cro
p F
or R
ecor
d N
umbe
r
r 50
.
5 .5
05.
u28
.67
r0.
l80.
696.
520.
08.
38
0.0
4 .9
00.
00.
00"
069
.97
0.0
3 .9
ro.
266.
l073
.57
20.3
9
40.0
04.
480.
00.
00.
017
9.20
r05.
63
22.1
2
19.2
6
Rap
esee
d
380. s.
305.
u28
.32
2 .5
80.
060.
880.
08.
380.
03
.53
0.0
0.0
0.0
54.r
70.
0I
.30
o.26
2.03
57 "
78
20.3
9
4 0.
006
.50
0.0
0.0
0.0
2 60
.00
202.
22
42-7
3
36.8
7
Sum
erfa
lloc
270. 2.
491.
440.
00.
00.
00.
00.
02
.95
0.0
0.68
0.0
0.0
0.0
7 .5
70.
01"
300.
262.
03l¡.
t7
20.3
9
0.0
0.0
0.0
0.0
0.0
0.0
-tl.r
7
-2 "
36
-2.O
4
N)
2L5
c"16
c"16.i
c.16.2
1"
ASSI]MPTIONS USED TO CODE CROP ENTERPRISES
General Client InfornaÈion
The following is a list
Eion when coding.
of the exceptions thaE require speci.al at.ten-
l. Value of improved land is defaulted by municipality.
2. Taxes on improved land are defaulted by rnunicipality.
Machinery Inventory Description
I^Ihen a producer owns a I/2 share of a particular implement or a
set of implemenËs, the machines have been entered in Ehe progran
as machines of one-half t.he value of machi-nes of tha! size for
the clienL. Therefore, depreciation and investment costs will be
one-half that, of a producer who owns the enËire rnachine.
All pieces of equipment used by a producer in any of his forage
operat,ions are completely costed to Ehe crop and forage enter-
prises. These pÍeces of equipnenl are not included in the iirt"-
stock cost calculations. Tractors are an exception to this rule.
All inplements used mainly for livest.ock are allocated to live-
stock enterprises. Exanples: livest.ock equipment such as rnanure
spreaders, feed grinders and post hole augers; implernents used
only in winter such as snow blowers.
Forage Harvester - code Actual H.P. in the i.Iidth field of Inven-
Eory
Auger - Code tube dianeter inco The Width Field of Inventory
Auger Code H.P. Code=LengËh int.o Hp Tractor used in Inventory.
S.P. Swather & Custom Swalher - Code H.P. = 0 in Inventory
n
J.
4"
5.
6"
7.
216
8. S.P. Spray Coup - Code H.P. = 0 in Inventory.
g. Bin Piler CapaciEy=750 llundredweights per hour, t.herefore the
width field =750.
10" Bale ElevaËors Capacity is 30 tons per hour, therefore 30.0 is
coded into the width field of the inventory.
1I" Note -- the prograro will divide t.he necessary width fields by
crop yield, so no manual work needs t.o be done"
L2. Coding a machine for which there is insufficient supporEing data
is done by placing acres per hour in Ëhe width field. i.e. BALE
CARRIER.
13" Code Ëhe horsepor¡Ier of the TRACTOR in the width field.
14. Conbines are coded per thousand sguare inches of separating area
in the width field.
15. Custom operations are added to Ëhe inventory fist and are refer-
red to. just like any ot.her implement.
16. The wÍdth of Ërucks are coded by bushel capacit.y"
a) - to 100.0 = half ton
b) -100.0 to i75.0 = I ton
c) -175.0 to 275.0 = 2 ton
d) -275.0 to 375.0 = 3 Ë,on
e)- >375.0=3-5ton
17. The capacity of wagons is in tons"
c" 16.3
1.
2.
6.
7.
8.
3.
4.
5.
217
General ProducËion Infonnat,ion
Do not code the wasteland, bush, or any unimproved land.
rf the producer does not indicace Ehe weight. of straw or tame hay
bales, assune the following weight for each type of bale: square
straw: 40 pounds square tame hay: 50 pounds round tame hay:
consistenË with Ëhe size of round baler used in the operat.ion.
rf no informarion is available it is assumed t.haË a round bale of
tame hay weighs 1200 pounds. A round bale of strav¡ is assumed t,o
weigh 4/5 that of a bale of Eame hay (i.e" 4/5 of. L20O 1bs.= 960
pounds)" These values are defaulted internally.
Fields which are being cleared are not, included. similarly, any
land clearing operations are excluded.
rf the field is 0 niles (or unspecified in the questionnaire)
disLance of 0.1 niles from field to storage is assumed. If
range is given, use t,he average of the two distances.
conbine the infornation in the questj-onnaire and in the "crop
Insurance PamphleË,srr to calculaEe the crop j.nsurance premiums,
Ëhe crop insurance paynents and the reseeding payments received.
Code the rent.ed f ields last.
Assume that 50% of the land is heavy soil.
Ëhe currenË year crop insurance price options and premium rates
were used.
Any crop insurance prernium paid in the current year by a producer
to insure new forage seeding is a cost lo the companion crop in
Èhe current year. A1so, âfly crop insurance payment obt.ained from
that forage crop in Ehe current year is a revenue to Ehe compan-
ion crop in the current year.
a
a
o
218
C"L6.4 Crop Informat,ion
i. If the producer baled his straw but has not indicated the amouriL
of strar¡r taken off a particular field, assume that one ton of
straw was Eaken off the field.
2" Use the weight of bales at harvest to calculate the yields of
forage crops, not the r¡reight of bales at f eeding tí.rne.
3. Improved pasture always has 0 yield.
4. If the number of years of product,ive stand is not specified use 6
years.
5. The number of years of productive sËand is equal to Ë,he number of
consecutive years the field is in forage and the nunber of years
it is left as pasture (if applicable), before the field is bro-
ken.
6. I,rÏhen bot,h tame hay and grazing occur in the same f ield the yield
of uhe hay production uust be coded first to yield correct twine
cos t.
C.16.5 Seed information
1. Seed cost,s of taroe hay or pasture are distributed over the number
of years of the productive stand. The seeding rate in the year
the field was seeded is divided by the number of years of the
s Ëand.
2" It is assumed thaË Ehe pasËure was seeded with the type of forage
seed which is nost predoñinent on t,he farm"
3 " In the event Ëhe producer did not j.ndicaËe the seeding rate for
forages of grain crops, the recommended seeding rate was used.
4"
219
tr{hen a forage was seeded with a companion crop in the currenE
year, t,he cost of the forage seed was not included. That cost is
taken into account in other forage or pasture fields of that same
farm or of other producers'farms. ThaË, is, the seed cosL is i.n-
curred during the years of produetive stand only"
Fertiliz er Inf orrnationc" 16 .6
1. FerÈilizer spread in the current year
current year on a crop underseeded t.o
companion crop and noE to the forage.
or
a
chemical applied
forage is a cost
in
to
the
the
2. Use producer's information to det,ermine the amounË of manure ap-
plied to a particular fie1d. If the quesÈionnaire does not indi-
cate Èhe au.ount applied to each field, allocaËe the amount. of ma-
nure spread equally across t,he total area of fields receiving
Eanure. Only the nanure spread is taken into consideration as a
cos t.
3. All fertilizer prices are based on bagged fertilizer" These
prices qrere obtained by adding $12.00/Ton to the average bulk
Ifanitoba fertj.lizer prices.
4. The value of a fertilizer used by a producer bu¡ not included in
ttre fertilizer list is derived frou a weighted average of nut-
rient, prices available in common formulations, i.e. value of I
acË,Íve pound of N equal to $0.202 and the value of I active pound
of P2O5 equal Eo $0.202. $12.00/Ton is Lhen added to converË
frou bulk Èo bagged fertilizer prices.
c.16.7
1"
c. r6 .8
1.
,)
220
Chemical Infornation
If t,he producer j.ndj.cated that a particular f ield \.ras sprayed
without indicating the cheraical applied nor the application rate,
it is assumed Ëhat the recomrnended chemical was applied to the
field. i.e. I'ÍCPA Anine 80 was assumed to be applied on oats and
barley; 2r4-D Anine 80 was assumed for wheat.
If the chemical is specified , but not Ehe rate of application,
use the recom-ended rates as provided in t,he default option of
t,he program"
If the chero-ical is MCPA is specified, assume MCPA Anine 80 was
used.
If ttre chemical is 2,4-D is specified, assuûe 2" 4-D Amine 80 was
used.
Tillage Practices
Assume that 2 minutes are requi.red Eo load 10 square bales onto a
h/agon with a front.-end loader. Assume thaË.5 rainutes are re-
quired to load and unload one round bale onto a r¡ragon with a
front-end loadêr.
The tillage operat.ions associated with the seeding atd/ot break-
ing of the forage or pasture field are distributed over the num-
ber of years of productive stand. The number of times for a par-
ticular tillage operation uay be less than one. inlhen a forage is
seeded in the same operaÈion as the companion crop (i.e. oats or
barley) the cosE of the seeding operations ís allocaËed to the
companion crop.
4"
2.
J"
22r
If Lhe producer did not specify a particular set. of tillage oper-
atÍons during Lhe year in which his pasture or tane hay was bro-
ken up, then a certaÍn set. of tillage operations is assumed which
complJ.ments the implements on his farm. Assume thac one of the
following set of tillage operaEions occurred in descending order
of preference:
a) 1 plowing; 2 double disc; 2 harrowings
b) I plowing; 2 cultivations; 2 harrowings
c) I plowing; 2 light cultivations; 2 harrowings
d) 1 cust,om plowing; 2 custom cultivaËions; 2 custom harrowings
Al1 Eillage operat.ions occurring during the period commencing
with the coropletion of harvest of the previous croP to Ehe har-
vesting operaEion for the crop Ehat is grown are considered as
costs to Ehe crop in that year.
5" Assume thaÈ Ehe producer hires a custom operator for a certain
operaEion if he does noË have t.he equipment for that particular
operation.
6 " Assume Ë.haË t,he client uses a bale elevaLor to unl-oad square
bales from the \^ragon. If no bale elevator is listed in the pro-
ducer's machinery inventory, t.hen assume the producer owns a 1960
price code I bale elevator. The same assumptions apply to a grain
auger.
The acres/hr. for the bale carrier are coded in the width field.
The acres/hr. for the bale carrier are calculaLed in fhe follow-
ing manner. Assume that 15 uinutes are required to load and un-
load the bale carrier and assume that it travels 4 ¡ailes Per
4.
7.
8"
o
222
hour. Therefore, the hours /bal-e=,25 +(distance from yard to
field in miles)/4. Number of hours/acre = hrs./bai-e x bales/
acre. Number of acres/hour=1.0/number of hours/acre. AdjustmenË
for efficiency coefficient = acres/hr/O.8
Any drainage or rock-picking operaËions are not included.
If a forage field gave tT¡ro or Ehree cuts and a \^zagon was used to
bring the forage horne in each cut, code the wagon operation as
ttonce overrt because \.ragon calculations are based on the Eotal
yield and not Ehe yield obtained in each cut.
10. The implement used for a particular tillage operation must be
roaLched with a tractor of the appropriate horsepower required for
that tillage operaËion.
ll. Assune that a combine of
the capaciÈy or model of
tionnaire.
10000in2. r.las used by the producer if
coubine is not specified in the ques-
L2. In order that Ëhe twine cost associated with a baling operaEion
be determined correctly in the program, it is necessary thaË the
baling operation is coded only once in the set of tillage opera-
Ëions associated with a parËicular fie1d. The number of times
over for the baler on a particular field may be speeified as be-
ing more than I with fractional values allowed in the codÍ-ng for-
rnat for the nunber of Eines over.
13. Tractors that are used must be eoded one time over.
TABLE 19
Machinery Inventory Description Card
Size(Iten /i4)
223
0ptional Price( Ite¡o #5 )
Tillage Implenent NameCode
Implement No.of Tractor
I)3
4
5
6
7
8
9
II1
I1
1
01
2
34
5
Plow-TraÍl Type tractor used width (feet) options pricePlor¿-MounËed Type tractor used width (feet) options priceCult iva tor-Iigh r
duty field tractor used width (feet) options priceCult iva tor-1ight
duËy field-wing tractor used width (feet) opt,ions priceCult iva tor-heavy
duty field tractor used width (feet) options prÍeeCult iva tor-heavy
duty field-wing tractor used width (feet) opËions priceStalk Cutter-
integral tractor used qiidth (feet) options priceStalk Cutter-trail tractor used width (feet) options priceGrain Auger-
electric length (feet) diam. (inches) options priceGrain Auger-Eotor length (feet) diam. (inches) options priceGrain Auger-PTO length (feeE) diam. (ínches) options priceTandem Disc-
trailing t,ractor used width (feet) opÈions priceTandem Disc-wing tractor used width (feet) options priceOne-l,Iay Disc tractor used r.ridth (f eet) options price
T6L7
18
1920
2T
22
¿J24
2526272829
Discer (with seed& fertilizeratt,achrnenE )
Rod-i'leederNoble blade 6'
bladesNoble blade 7'
bladesHoe DrillPress Dri11 e
Double DiscNo ti1l dri11 (seed
drill)Corn Planter
(3'/row)Ilarrow (drag)Harrow (spring
roorh)PackerSprayerSwarher (PTO)Swat,her (S.P.)Swather with
tractor usedt,racËor used
Ëractor used
tractor usedtractor used
tractor used
tractor used
t.racLor usedtractor used
Eractor usedLractor usedtractor usedE,ractor used
0
width (feet)width (feet)
r¡idth (feet)
width (feet)width (feet)
width (feet)
width (feet)
width (feet)width (feet)
width (feet)width (feet)width (feet)width (feet)width (feet)
options priceoptions price
options price
options priceopt,ions price
opLions price
opËions price
opt.ions priceoptions price
opEions priceoptions priceoptions priceoptions priceoptions price
224
Tillage Implement Name
Code
ImplemenE No.of Tractor
Size(Iten #4)
0ptional Price(Itero //5)
30
31
32
JJ
conditioner (S.P.)SwaLher vrith pick-
up real (S.P.)Combine (PTO)
Coubine (selfpropelled)
Combine (rotary)(s.P. )
Dryer andEquipment
Gran. Appl.TrucksInlagonsSprayer (self
propelled )Forage HarvesterBaler (round)
Baler (square)
Roto-tillerMovrerMower-condi tionerRake (wheel)Rake (bar)Stack EoverBale triagon
(se1f propelled)Forage BlowerHaystackerFertilizer
BroadcasterHaybind or
[.IindrowerBale elevaËorBale carrierFronË-end loaderForage harvester
wagonsSt,ookersRow CultivatorRotary Cultivator
(Hoe)Potato WindrowerPotato HarvesterPotaEo PlanÈerBin PilerHarrow Packer
U
0Eractor used
0
0tractor used
0t,ractor used
0tractor hptractor used
tract,or used
tractor usedtractor usedtractor usedtractor usedtractor usedtractor used
0tract,or usedtractor used
tractor used
t,racÈor used0
tractor usedtractor used
tracLor used0
tract,or used
tractor usedtracËor usedtracÈor usedtract,or used
0
tractor used
width (feet)
width (feet)(Square inches)divided by 1000(Square inches)divided by 1000(Square inches)divided by 1000
0width (feet)capacity (U,-,. ¡capacity (tons)
width (feet)width (feeL)width (feetbetween swaths)width (feetbetween sI^raths )width (feeu)width (feet)width (feeL)width (feet)width (feet)acres /hour
capacity (tons)acres/hour
width (feet)
rvidth (feet)30.0
acres/houracres /hour
capacity (tons)0
widEh (feet)
width (feet)widÈh (feet)width (feet)width (feer)
750.0width (feet)
opt.ions price
op t.ions priceoptions price
options price
actual pri-ce
actual priceactual priceactual priceactual price
acËual priceactual priceacEual price
actual price
actual priceoptions priceoptions priceopLions priceoptions priceactual price
actual priceactual priceactual price
actual price
actual priceacËua1 priceact.ual priceactual price
actual priceact,ual priceoptions price
opt.ions priceactual priceactual priceactual priceactual priceactual price
34
35363738
3940
4L
42434445464748
495051
52
53545556
575859
6061626364
Tillage Inplement NameCode
Inplernent No.of Tractor
Size( Iten //4 )
0ptional Price( Item /15)
r0tt02
Tractor (diesel)Tractor (gas)
00
drawbar hpdrawbar hp
options priceopt,ions price
226
TABLE 20
Custom Operat.ions
= ======================================== ======== =======================Tillage Custo¡r Tillage Implement No. Size Optional Price
Code Operation Name of Tractor (Iten /É4) (Itern #5)(Iten /i3)
200 Bale trrlagon 0 capacity (tons) 020I Spraying 0 width (feet) 0202 P.T.O. Swather
($1,000) O width (feet) 02O3 S.P. SwaEher
no conditioner 0 width (feet) 0204 S.P. Swather
wj-th conditj-oner 0 width (feet) 0205 Truck 0 capacity (bu" ) 0206 S.P. Coubine 0 (square inches) 0
divided by 1000207 P.T.O. Corobine 0 (square inches) 0
(000 in) divided by 1000208 Square Baler 0 width (feet 0
between swaths)209 Square Baler with 0 width (feet 0
bale thrower between swaths)210 Round Baler 5' 0 width (feet 0
beLween swaths)2I1 Round Baler 6' 0 width (feet 0
between swaths)2I2 Mower 0 width (feet) 0
2I3 }lower wÍthconditioner 0 width (feet) 0
2I4 Rake (wheel) 0 width (feet) 0
2I5 Rake (bar) O width (feet) 0
216 Dri1l (Hoe, Press,Rodweeder) 0 width (feet) 0
2L7 Double Disc PressDrill 0 width (feet) 0
2L8 Discer Seeder 0 width (feet) 0
2I9 Harrows 0 width (feet) 0
220 S.P. Wagon 0 capacity (tons) 0
22I P.T.O. i^Iagon160 bale 0 capacity (tons) O
222 P .T.0. i^Iagon104 bale 0 capacity (tons) 0
223 Bale Mover 4 bale(2.5T) 0 2. 0
224 Bale Mover 6 bale(3.sr) o ? o
225 Bal-e Mover 8 bale(4.7sr) 0 ? 0
227
= ==== ==== == = = ==== == ==== == = == ==== === == == ==== == = = == = == === = = == = ===== === == ==Tillage custou Tillage rrnplement No. size optional priceCode Operation Name of Tracror (Iren //4) (Iten //5)
( rten //3 )
226 Bale Mover 12 bale(7 .21) 0 ?
227 Packer 0 wídrh (feer)228 Plor¿ Semi-mounE,ed 0 widrh (f eet)229 Plow Trail 0 widrh (feet)230 Cultivaror (L.p. )
Solid 0 widrh (feer)23L Culrivaror (L.o. )
ï{ing 0 widrh (feer)232 Cultivaror (H.D. )
Solid 0 widrh (feer)233 Culri.varor (U.n. )
Wing 0 widrh (feer)234 Row Crop Culti.varor
($i,000) 0 width (feet)235 Forage Blower 0 ?
236 Forage Box andtrIagon Self Unloadand Medium ForageHarvester Pickup 0 tractor hp
237 Forage Box andWagon Self Unloadand Medíun F.H. 2
row header 0 tractor hp238 Forage Box and
Wagon Unload andF.H. Pickup 0 tracror hp
239 Forage Box andI.Iagon Self Unloadand F.H. 2 RowHeader Large 0 Ëractor hp
240 Forage Box andiiagon lligh Dunpand Mediun F.H.Pickup 0 tractor hp
24L Forage Box andI^lagon l{igh Dump
and F.II. 2 rowIleader Medium 0 traccor hp
242 Forage Box andl,Iagon High Dunpand Large F"H.Pickup 0 tractor hp
243 Forage Box andtrIagon High DunpandF.II .2rowIleader Large 0 tract.or hp
244 Forage Harvester
000U
Size Optional price(Irem #4) (rrem //5)
Tillage Cusrom Tillage ImplenenÈ No.Code Operation Name of Tractor( rLen //3 )
245Pickup Medium
Forage Harvester2 Row HeaderMediun
246 Forage HarvesterPickup Large
247 Forage llarves ter2 Row lleaderLarge
248 Row Crop planrer -4 row
249 Row Crop planter -6 row
250 Row Crop planter -8 row
257 Potato Harvester252 Potato trrlíndrower253 Rod trIeeder254 Stackmover chain
type 3T255 Stackmover chain
type 6T256 Stacknover chain
type 8T257 Stackuover cable
rype 8T
0 tract,or hp 0
0 tractor hp 0
0 tractor hp 0
0 tractor hp 0
0 widrh (feer) O
0 width (feer) O
0 widrh (feeL) O0 widrh (feer) 00 widrh (feer) O
0 widrh (feer) 0
020
0't0
010
0r00 widrh (feer) 0
0 widrh (feer) 00 widrh (feet) 00 width (feer) 00-00 width (feer) 0
258
259
25026L262
Beet l{arvester4 row
Beet llarvesËer6 row
Beet Topper 4 rowBeet Topper 6 rowBlank
263 Gran. Spreader============================================== ==========================
229
TABLE 2I
Drying Costs per Bushel
i.
(A) I.fith an AirWheat
or^med2Recirculating BatchContinuous FlowBin Batch
Custom3RecirculaEÍng BatchContinuous Flov¡Average
owned2Recircul-at.ing Bat.chContinuous FlowAverage
Custom3Recirculating BatchContinuous FlowAverage
Temperature of *15: C
and gapeseedM.C. I
Low l4edium
.07
.04"03
.13
.08
.11
.13
.07
.05
.24
.13lo
.10
.05"04
.20
.I0
.I5
.23
.12
.09
"42.23
1,)
High
"20.11.06
.37"2rto
2.
1.
t
1"
t
Barley, Oats, Sunflowers, Rye(Adjust to 1b. Basis)
.05
.03.025
.11
.06
.09
Flax andLf.c.
LCorn'
.15
.08
.05
.29
.16
.¿J
.2OI^mecl
Recirculating BatchContinuous FlowBin Batch
_3CustomRecirculating BatchContinuous FlowAverage
.12
.07
.05
ôtc LJ
.14
.18
.35
"19.11
"65.37.51
(B) i,Iirh an Air Temperature of -I0: C
230
1.
,
2Ov¡ned-
Recirculat,ing BatchContinuous FlowBin Batch
^-JuustomRecirculating BatchContinuous Fl-owAverage
Barley,.1
Uf^tneCl
Recirculatíng BatchContinuous FlowBin Batch
Custon3Recirculating BatchContinuous FlowAverage
1. owned2Recirculating BatchContinuous FlowBin Batch
2 . Custo¡03Recirculating BatchConLinuous Flov¡Average
irrheaË and Rapeseed
M.C.
L67"
.08
.05
.04
.14
.08
.ll
Oats, Sunflowers,
.i1
.06
.09
Flax and Corrr4
M.C.
.r4
.09
.07
.25
.L4
.19
L7 "5"/.
.15
.08
.06
.26
.r4"20
Rye
.11
.06
.05
.20
.ll
.16
20"/"
.) .)
.r3
.08
.39oa
"31
"17.10.06
.29
"17"23
.39
.23
.I4
"68.40.54
.06
.04
.03
o
.26
"14"11
"46.25.35
lSee table I-2-.
2--In the case of an owned dryer, the following variable costs areincluded: dryer repairs, bin repalrs, tract,or power, propane,electricit,y, and labor.
3Ir, th" case of a custon dryer, the above variable costs areincluded plus Ehe following fixed costs: depreciatj.on, investnent,insurance and housing, and propane tank rental.
lt-Flax and corn calculated as 1.75 x cost of drying wheat.
23r
TABLE 22
MoisÈure ConË,ent Ranges
Crop LowI"loisture Contentl
Medium High
Wheat0atsBarleyFlaxCornFababeansPeasRyeSunflowersRapeseedIlustardLentilsBuckwheaLField Beans
1'For purposes ofconlents are used Lo
14 .7 -r7 "Or4.1-r6.514 .7 -r7 .O
10.6-r3.015.6-18 .0i6.1-18.5r6.r-18.514"1-r6.5
9 "6-12.010.6-13.0r0.6-13"014.1-16 "5l6 . 1-18 .516;1-18.5
17.I-19.5r6.6-I9.0r.7 . I- 19 .513.1-15.5r8 .1-20 "518.6-21.0I8.6-21.016.6-19.0L2.r-L4 .5I3.1-i5"5I3.1-15.516.6-19.018.6-21.0r8.6-21.0
over 19.5over 19.0over I9 "5over 15.5over 20.5over 21.0over 2I.0over 19 "0over 14.5over 15 "5over 15.5over 19.0gver 21.0over 2I.0
this study, the following ranges in moistureestimat,e the drying costs.
272-/-Table 2J
Seeding Data
Crop Code Name and DescriptionSeeding
Price Rate Unit
9o
tö
B47)
Cereals arrd Oilseed.sl
I¡lheat (Sinton, Neepawa, Napayo, Selkir.k)
- Foundation ff1-2- Registered ft|-2- Certified #1-2- BuJ-k Certi-fjed #1-2
Oats - Foundation fft-Z- Registered ff1-2- Certifiea #t-Z- Bulk Certífíed ft1-2
Barley (Bonanza and. Conquest)
- For:ndati.on fil-Z- Registered fi1-2- Certifiea ffl-Z- Bul-k Ceri-j.fíed. #1-2
.1100
.0988
.0950
.0773
"1 225.1088"1038. o8t8
.1125
.o975
.0925
.o775
.0950
. OBOO
.tooo J4"2850. ¿o)u.25OO
1b
1b
t_b
Barley (l'ergus, Herta, I{lond.ike, peguis)
- Foundatton #t-2 .1050- Registered, ffl-Z .O9OO- Certified. #1-z .OB5o- Bulk Certífled. #1-2 .O7OO
Barley (Srmni-t)
- Certified #1-2- Bu]-k Certified
Ffax (DLlfferin, Linott, Raja)
- Fcurrdation rt1-2- Registered #1-2- Certifiea #l-Z- Canada ff1-2
1b
272
Crop Code Name arrd Description--..- Soodi¡o
Price Rate Unit
Durum (I.Iakooma, Macoun, Coulter)- For-rndatton ftt-Z- Registere1, $t-Z- Certified, #1-2- Bul-k Cerr,ified ff1-Z
Fall- Rye - Cougar, Pt:ma Certified, #j-z- Canada ffl
Rapeseed (Arg,entine )
- Regent and Tower Certified #1-2Canada ff1-2
Rapeseed. (eof:.sir)
- Torch Certified #t-Z2ltustard- Yel-1ow Cert ff1
Brown Canada ff1Cert ft1
Oriental Canada $lCert fft
Sirnflowers ( i{rasnodarets )
- Certified 1
- Canada 1
Sru:flowers (Saturn)
- Certified 1
- Canada 1
Hybrids204)^tr,
254304
Buckwheat Cert. Mancar:.Cornnon Can" l
1b
6
112q Oaì)v
.111j
.1100
.1 000
.1050 6s
.0900
.5400 6
"3750
5
.4400
.)) e" )
.25 5-7tr
)qÃ.1) )
7E")))" )
.4ooo"3500
Etr)" ).5000" 4ooo
3.o2.10)t^2"502.20
.2200 4z
.1700
1b
1b
1b
IbB
1b
1b
Lb10
Crop Code Name and Description- - \êô.{.jñô-
Price Rate Unit
11 Field Peas Can. 1 .1900 1.65 tb
13 Corn Silage (Cargill- Prices) l4 tbPAG SX111 (zjoo ht. unit, Bo aay) j.ojCargitl Bto (2500 ht. unit, 8o aay) .%jPAG SX121 (t-z6oo hr. unit) .92o
27 Tame Hay - See Forage sheets
33 Soybeans .t6T 104 tb
J4 Utitity T¡Iheat (ctentea)
- Foundatíon rtl-Z .1 1OO 90 lb- Registered fft-Z .O9BB- Certified fft-Z .O9jO- Bul-k Certified #1-2 .OTTI
4t Lentits2 .4j 60 tb
4l canary seed2 cerl. ff1 .zo B.o tbCanada ftl . 18
4S Fababeans Carr. 1 "ZJOO jZO Ib
4l corn
/ì¡ræì.,., fele 5or (z1oo ht. units ) . Booo iz rbarsiI1 tB5 (e4oo ht" units) .l>>o
Co-op 5259 60 lb. units) .gg6o
I Cereals and Oj-lseeds - average of Manitoba Pool Elevators pricesand Cargl-ll prices.
2*M;stard, Canary Seed. and tentils - 19BO prices Northern Sal-es Co"
,zqIabl-e 23
,1!'orage Seed. Data f'or
(Continued)
Production of Hay or Seed
Name Descriotion Price Seedi::g Rate Unit
A. Legumes
Alfalfa
Al-sike
Sweet Clover
White Clover
Red Clover(Double Cut)
Red Cloveú(Singre Cut)
Birdsfoot Trefoil
Sai¡foin
B. Grasses
Brome
Timothy
Creeping RedFescue
Ç1Ç BRAND Can. 1 NOC2Tfror Cert. 1 NOC
Verrral- Cert. 1 NOC
Coronon Can" 1 NOC
Canada 1 NOC
Yel-low Blossom Can. 1
NOC
Plowdov¡n Can. 2
Ladino Cert. ICorrnon Can. 1
Florex Cert. 1 NOC
Corrnon Can. 1 NOC
Cor¡rnon Can. 1 NOC
Leo Cert. 1
Co¡rnon Can" 1
Melrose Cert. 1
Conmon Can. 1
Common Can. 2
Carl-ton Cert. 1
Contmgt 6u''. 1
Timfor Cert. 1-2Ch¡nax Cert. 1-2ÇOrnmgn Q¿11. 1
Cournon Can. 2
Boreal Cerb. 1
D;rlaurn Cert. 1.
Cómmon Can. 1
7
t Q)'
4 (z)
7(6)
7
B
3)
5(J)
B (¡)
2 (2)
2.552.582"522"03
)tz
tn. t)
2"J31.82
1"971.41
.61
10Ã
oaì
"7o2q
1.35oJr
t.¿)1.251.051 .00
cìÃ
oÃQry
1b
1b
rb.
1b
tb
lb
lb
Ib
1b
4 (2) 1b
2.'^
Name Description Price Seeding Rate Unit
Crested Wheatgrass
Tal-l- Wheatgrass
Intermediate I{heat-dþâêeõ¡ ueu
R:be sc ent'lalheatgras s
Slender lalheatgrass
Meadow Fescue
Russian Wild Rye
Orchardgrass
Ryegrass
Reed Canary
Chernrings Fescue
Blue grass
Tall Fescue
Meadow Foxtail-
Nordan Cert. 1
Common Can. 1
Cor¡mon Can. 2
Comnon Can. 1
Con'¡non Can. 1
Cormon Can. 1
Revenue Cert. 1
Corrnon Can. 1
Co¡nnon Ca¡." 2
Sawki Cert. 1
Cor¡non Can. 1
Common Can. 1
Norlea Cert. 1
Pereru:ia1 Can. 1
Tetraploid Can. 1
Annual- Can. 1
Cor¡¡non Ca¡." 1
Common Can. 1
Park Cert. 1
Kentucky Can. 1
Kentucþ Can. 2
Cormon Can. 1
Common Can. 1
73) 1b
e (8)
7u)
.Bo
.(o
.7o
1.9
t.ot
"6j.ou
1 .00
AL
)tt
.88
oÃ
.o)
.ot?E
1"60
oL
1.501.2t1 .00
.Bj
4.zj
lb
o \)/
r n /z r\-).) \-).))o to)
7 (4)
1b
1b
1b
1b
1b
1b
1b
7
7
1b)q
1b
1b
4
'Forages - average of Cargill jg|g prices and. NatiorraL 1gT9pri-ces. Prices are F.O.B. Wimipeg.
2*NOC represents the nocul-ized process.
JThe "eedlng rates are given for production of hay and forage seed..
The figures in brackets are seeding rates for production of forage seed-.
238
PRODUCER QUESTIONNAME
Producer Number:
Name:
Address:
'j'e-LeDflone :
Date Interviewed:
Municipality of majority of lands:
Note : All information contai-ned in this sì¿rvey is confidentiaL "
239
The inforrnation in Ehe paragraph at the beginning of each section
gives the procedure essenEial to your conpletion of the questionnaire
quickley and efficiently. ( Reading the preliminary infornation in each
step will sinplify the corapletion of the questionnaire for you. )
The questionnai.re is designed in a logical sequence to obtain infor-mation as Èo the inventories and far¡o practices you use on your farm.
There are !T¡/o inventorÍes required. These are machinery, and land" The
farn practices refer to your cropping procedures.
Examples of the j.nvent,ories and farm practices are given. The trüo
Iists called EasLer machinery and land list are Eo be used Ëo fill inyour inventories on t,he supplied sheets called Inventory Machinery, and
rnvenEory Land. Any unique equipment, etc., on your farm not on the
master lists should be included at the end of each invent,ory list. The
naster list gives the units required. As an example, when filling in
Tractors, all tractors should be included first. The next column is an
inventory number. The year. column is year manufactured.. Size column
for tractor is the horsepo$/er rat,ing at the drawbar. The Eype column is
either diesel or gasoline. The owned, rented or custom column requires
just a leËter 0, R, or c. The last co.l-umn |tTracLor used" refers to the
tractor that pulls an inplenent and the Eractor invenÈory number should
be included in this column. As an example, if you have five tract.ors
and tractor #5 is used for pulling the cultivator, then a 5 is put j-n
Ëhis col-umn. Please refer closely to t,he Easter list for the proper
uniËs.
240
D"1 MASTER MACITINERY LIST
The cropping and haying nachinery should all be Íncluded on the forms
that folLow. The master list is a guide to fil-ling the blanks supplied.
The tractors shoul-d be included first. The invenEory nuuber associated
with the tracËor used v¡i11 be required when you fill in the implements.
As an example, if you have four tractors and tractor number three pul1s
Èhe baler then Lhe three will be required in the t,ractor inventory num-
ber comumn of the balers. The units required in the various columns are
specified in the master list. Please follow this closely to include all
t,he required informaËion"
The baling, forage and pasture maj-nLenance operations are considered
as cropping operacions and the relevant machinery should be included in
Ehe crop section for uachinery.
241
Crop Machinery
MachineDescrlption
Inv.JI Year Size
OumedRentedCustom Tlrpe
TractorInvenioryNo. ff
Applicable
Tractor
Truck
Cu]-tivator
Discs
Harrows
Pl-ows
SeederDiscers
Dril-1s
Press Dril-ls
Pota-uoPlanter
Corn Planter
Row CropCultivator
Field Sprayer
Row CropSprayer
HP. Q.oH.
Õãg)Êj cf5o'-,qgpoc)Ê,cFrytsJ H.ô5p,U
Foão+
Drawbarllorse
Power
Tons
Width Feet
I¡Iidth Feet
't¡Iidth Feet
T¡Iidth Feet
I¡iidth Feet
I¡Iidth Feet
Width Feet
Rows andSpacing
Rows andSpacing
Rows andSpacing
ï\ii-dth &Gall-ons
Rows andSpacingand Ga1-Ions
Use 0,R, orCand theRental-
or Cus-tom Ratewhen re-qulred
Díesel orGas
Tandem, tagor single
axles
Heavy dutyLight duty
TandemOffset
N/A
N/A
N/A
N/A
N/A
N/A
N,/A
ModeI
N/A
N/A
Row
Fie
Row
242
lVachineDescription
Inv.tr Year Size
Ol^n'led
RentedCustom TVpe
TractorInventoryNo. If
Applicable
Swather
Combi¡res
Grai-n CornHeader
Grain Augers
Grain Dryers
Potato t^Iind-rower
Potato Har-vester
Conveyors
Bi¡r Pilers
Forage Har-vester
Forage CornHeader
Silage I'Iagon
Mower
Hay Bind
Baler
width
N/A
Rows andSpacing
Diameter &Length
Capacity
Rows andSpacing
Rows andSpacing
Feet
Ela al
Rows andSpacing
Rows andSpacing
Tlons at 60%Moisture
Feet
Feet
Heavy DutyStandard
Self Pro-pe11ed
Pul1 Type
Model-
ModeI
PTO
Motor
Model
N/A
N/A
N/A
Model
m/¡
N/A
N/A
m,/¿
N/L
SquareRound
Hay
241
MachineDescription
Inv.JIlf Year Size
OvmedRentedCustom Tlpe
TractorInventoryÀlo. ff
Appiicabi-e
Stooker
Hay Wagon
Bal-e Stacker
Trailers
Bale Eleva-tor
Bale Carrier
AutomaticBale lrlagon
Stack Mover
. Bales
Tons orBales
BaIes
Tons
Feet
P¡'l ao
Bal-es
Bales
N/A
N/A
N/A
N/A
N/A
N/A
Self Pro-peIled
PulI TVpe
N/A
Macbinery (Crops) T-nventory (Contj:rued)246
Machine T3çeInventory
No.
OwnedRentedCustom TYpe
TractorInventory No.If Applicable
26
¿l
28
¿y
J1
3i
J4
35
,o
40
4r
+¿
4J
44
45
46
47
48
49
(Continued)
247
Machilery (Crops) Inventory (Continued)
Mach-ine TypeInventory
No. Year Slze
OwnedRentedCustom Type
TbactorInventory No.If .{pplicable
50
51
52
53
54
55
MASTER I,AND LIST
This tist contaj-ns four colu.nrrs . The crops, the i-nventory
number, the size and the ovrnership of the land. Please refer to the
land lnventory example for an il-]ustration of the la:rd requirements.
Owned/Rented
248
An 0 for or^rnedand an R forrenteci is
sufficient here.ff rented, j-ndicaterental cost peracre.
Crops Grown
Wheat
0ats
\Barley (lvla-L-Ur-ngJ
.\Barley (t"eed,)
Durum Wheat
Fa1l Rye
Rapeseed
Mustard
Sunffowers (Oif-tvpe)
Sunflowers(Confectionary-type )
Buckwheat
Field Peas
Mixed Grai-n
Utility Wheat
This columnis alreadym.¡mbered.
Size (acres)
(Continued )
2)ro
(Llontr-nuedJ
Or^medrlRented
Soybeans
ProcessingPotatoes
Table Potatoes
Sugar Beets
Field Beans
Lentils
Canary Seed
Fababeans
Grain Corn
Sr.r¡nnerfallow
Fl-ax
Forage_ a¡d HayGrowr
Tame Hay
Haylage
Corn Silage
Pastures
Improved
Unimproved
Grass Seeds
Size (acres)InventoryNr.mber
(Continued)
Timothy Seed
250
(ContÍnued )
Slze (acres) Or^med.r/Rented
Al-fa1fa Seed
Sweet CloverSeed
Bromegrass Seed
Meadow FescueSeed
BirdsfootTrefoil Seed
Single Cut Redñ1 nrran
CrestedWheatgrass
'Alsike CloverSeed
Slender l.{heat-grass Seed
Sudan GrassSeed
c=oo c",/o-'tfnventory ] Size
Nr..mber | (acres) L\med/Hented-
I, .r IVxl he-o- þ 1 tbo c
WF-ea-Li
2 ' tt ^; l\o\-/ ine øfo /ac,re
ÞLo- f -//---\
3) ãn ()tt'
Sarler/ -.-'\ 4/ i'r -lú. i ni 13 i L)
5 15 i Ro /3sho-re
,4tFal fa *oV/TrnPeO ve-¿t PasL,uç.." 7 /50S*.., rnQ-( So-lta w Ri
-!I
6 lo9 t,,
10,i
.\- I
11
i
1) i
Ii
l,t l
14
t6 \
17
Contlnued
251
Land Inventory
-forn t 6/ C
255
D"3 CROPPING PRACTICES
The questions on your cropping practices are divided inËo six sec-
tj.ons: A - Grain, Oilseed and Summerfallow; B - Forages; C - Silages and
Haylages; D - Forage Seeds; E - Inproved PasËures; and F - Unimproved
PasËures. Each crop given in your land inventory applies to one of the
above sect,ions. Each colnn can acconmodate one field. Additional cop-
ies of each section are available at the end of the questionnaire. Use
then as required. Please follow the Land Inventory Numbers given in
your mâster inventory list to nake sure no fields are orniÈted and in-
clude these numbers in the space provided in the relevant secËions.
256
Crops A-1
CROP PFACTTCES
/(̂Grain, Oilseed and Summerfallow)
CROP:
1. ïtem Field Inventory #
Total acres seeded
Average distance to storage (onfarm) (mi-fes)
Yield in 1!80 (r:nits)
Yiel-d of harvested. straw
Acres of harvested straw
2. Insurance
Hail (coverage/acre)
Crop (coverage option - 5O%,60%, or 70% and, dol-Iar option- low or high)
Value of claj-ms i_n 1!BO
Number of acres claimed on
Indicate any other crop insur-ance coverage and clajms onthis field in 1980, ifapplicable
3. Seed
Seed Cl-ass: Commercial ,Certífied or Other
Seed treatment (chenieal used.)
ïf reseedi_ng was done in 1980,indicate previ ous seed.ingand seed types
257
Crops A-2
4. Fertil-izer (Include previous fal-l-s application)
Analysis of I st applicaiion
Application Rate
Method of application
Analysis of 2nd application
Application Rate
Method of Application
Analysis of 3rd applieation
Application Rate
Method of Application
5. Weed. Controll (Inc1ud.e previous falls application).-f\--Chemical(s) Used in First
Application2
Nr.mber of Acres- Treated
Rate of Application if otherthan Recoroiended Rate
Chemical(s) Used in Second.Application
Number of Acres Treated
Rate of Appli-cation if otherthan Recounmended Rate
Chemical(s) Used. in flrirdApplication
1'Specify whether liqr-r:td or granular form of a chemical r^r-as used(1."., liqr.:-id. or granular Treflan).
2_^ --If less than the whole field was treated.
258
Crops A-l
6.
Nr:nber of Acres Treated
Rate of Application if otherthan Recommended Rate
Insect Control-
First Chern-ì-cal Used
Number of Acres Treated
Rate of Chemj-cal- Application
Second Chenical Used
Number of Acres Treated
Rate of Chemical Application
Miscel-laneous
B. Fall Tillage and pre-seedj.ng practices
- please list all operations
over the fields from previous
harvest to seeding; specify
jmplement used (i.e., pJ-ow,
cultivator H.D., cultivator
L.D., d.isc, harrows, sprayer)
by indicating inventory num-
ber or implement name and
number oftimes over. If the
field r^ras sumrnerfatlowed- the
prerrious year then no fall
cultivations are included.
17
2tr'o
Crops A-4
If the fiel-d 1s currently
sunrnerf allowed, indicate
all- the 1p8O practices.
9" Seed.ing (i."., press d.rill,
packers )
'10. Post-seeding (i.e. weed
Sprayer, ror^r Crop cultivator,
haruows)
11. Harvesting (cereal-s and
oilseeds )
Indicate Swather(s) used
Indicate Combine(s) used
l-ndr-cate't'ruck( s,) used
ïndicate Other
12" Drying (if applicabte)
Number of bushels dried
Moistlre level before drying
Moisiure l-evel after drying
¿ol)
Crops A-5
-1 1 Harvesting (potatoes,t,/.-'-
sugarbeets, etc. )
Indicate lli-ndrower( s ) used
Ind.icate Harvester( s ) used.
Indicate Truck(s) used
Indicate Binpiler(s) used
fndicate Other
14. Harvesting (strar¡)
Indicate Baler(s) used.
(Please list the equipmentused to bring the strawto storage).
261
Crops B-1
FORAGE PRACTICES
CROP:
1. Description Field. InventorY #
Totat acres seeded
Average distance to storage(on farm) (rniles )
2" Yield
1 st cut
(i) Yield in t98o (rmits)(ii) Round. or square bales?
(iii) Bate weight (i-n lbs.)
2nd cut (if applicable)
(l) Yierd in t98o (r:n:its)
(ii) Rorrnd or square bales?/...\ f , \( r-r-r- , IJaIe \^reagnl \ ln IDs . /
Jrd cut (if appJ-icable)
(r:.) Yiel-d in 1980 (units)(ii) Round. or square bales?
(iii) Bale wei-ght (in tbs.)
3. Fal-l grazing (if applicabre)
(i) No. of beef calves XNc. of daYs
(ii) No. of dairy calves XNo. of days
(iii) No. of steers or heifersX No. of days
(i") No. of beef cows andbul-l-s X No. of daYs
(v) No. of dairy cows ¿¡.d-
bu].l-s X No. of days
262
Crops B-2
4. Insurance
Hai:t- ( coverage/acre )
Crop (coverage option--!O%, 60%or 70% and. d.oll-ar option-lowor hieh)
Val-ue of cl-aims in 1980
Number of acres clai-med on
5. Seed
Cororercial , Certified, or Other
Forage rnix
Nr:¡nber of years of productivestand
Seed treatment (chem'ical used)
ao. t"er-tl.Ll_zer
Analysis of 1 st application
Application Rate
Analysis of 2nd application
Application Rate
Ánalysis of Jrd application
Application Rate
7 . I¡ieed Contrcil
Fi-rst chen-ical used
Nunber of acresl treated
Rate of application
1trf 1""" than the whole field. was treated.
^/-cv)
Crops B-J
Second chernica] used
Nr;mber of acres treated
Rate of application
Third chemi cal- used
Nr.mber of acres treated
Rate of application
B. fnsect Control
First chernical used
Number of acres treated
Rate of application
Second chenlcal used
Number of acres treated
Rate of application
9. Miscel-laneous
10. Before harvest practices
(i.". weed sprayer, fertilj-zerbroadcaster)
264
Crops B-4
11. Harvesting
- please list all operatJ-ons
over the field from time of
'1 st cut to the l-ast harvest-
ing operatÍon; specify
implement used. (i.e.,
swather [etO o= pull type],
mower, rake; ba1er, hay wagon,
bale wagon, hay stacker,
stack mover, front-end loader,
etc. ) Indicate inventory
number or implement name.
12. Breaking Praetices
- please list normal operat-
i-ons over the field to break
tho forage in the last year
of production (i.e., plow,
tandem disc, cultivator, etc.)
265
Crops C-1
SÏLAGE AND HAYf,AGE PRACTTCES
CROP:
1 . Pesefi.ption Fie1d Irrveniory #
lotal- acres seeded
Average distance to storage (onfa:sn) (mifes)
2. Yield
1st cut
(i) yietd in lg8o (units)
(r:l) Moisture content atharvest
2nd cut (if appticabte)
(i) yield in 1980 (units)
(ii) Moisture content atharvest
Jrd cut (if applicable)
(i) yield in 19BO (units)/..\(1i-) Moisture content at
harvest
1. Fall grazing (if applicable)
(i) No. of beef calves X No.of days
(ii) No. of dairy calves XNo. of days
(iii) No. of steers or heifersX No. of days
(i") No. of beef cows and buLlsX No. of days
(") No. of dairy cows and bul-lsX No. of days
266
Crops C-2
4. Insurance
Hail (coverage/aere)
Crop (average option-5O%, 60%or 70% and doll-ar option-lowor high)
Value of claims in 1980
Nuinber of acres c]aimed on
,, Seed
Conrnercial, Certified or other
Forage rnix (haylages)
Nrmber of years of productívestand (haylages)
Seed treatment (chemical used)
f -
\3, Fertilizer (Include previous falls anplication)
.Ana1ysis of 1st application
Application Rate
Method of application
Analysis of 2nd application
Application Rate
Method of application
4nalysis of 3rd application
Application Rate
Method of application
267
Crops C-l- I /-
7 . trrleed Control' (Includ.e previous fatls application). -/ \Chemical(s) used in first
application
Number of acres2 treated.
Rate of chernlcal(s) applied., ifother than recon¡nended rate
Chenical(s) used. in second.application
Nr.¡mber of acres treated
Rate of chem'i cal ( s ) applied.
Chemj.cal(s) used in thirdapplication
Number of acres treated
Rate of chemical(s) applied.t
-5. Insect Control
First chemical used
Nr.mber of acres treated
Rate of application
Second cherúcal used
Nr¡mber of acres treated
Rate of application
9, Miscell-aneous
1^'Specify whether tiquid or granular form of a chereical- was used.(i."., lì-quid. or granular Treflan).
2_^ --If less than the whofe field was treated.
268
Crops C-4
'10. Fall Tillage and. pre-seed.ing
practices (silages)
- please l-ist all- operations
over the fields from previous
harvest to seeding; specì.fy
implement used. (i.e., plow,
cultivator H.D., cultivator
L.D., disc, harrows, sprayer,
fertilizer broadcaster by
indícating inventory ni-:nbe:: or
irnplement name ) . If the field
was summerfallowed the previous
year then no fal_i cultivations
are included.
11" Seedins (sil-ages)
(i.u., press drill, packers)
12" Post-seeding (silages)
(1."., rieed sprayer, fertilizerbroadcaster, roür cropcultivator).
269
Crops C-f
|J. Non-harvest practices/1¡o"'1 oaa\\¿røJ ¿øõv /
(1."., i^reed sprayer, fertiJ-izerbroadcaster)
14. Harvesting
- please list all operati-ons
over the field from time of
1st cut to the ]ast harvest-
ing operation; specify imple-
ment used (i.e., forage har-
vester, Tr'ragon, tnrck, front-
end. load.er, etc. ) Ind.icate
implement inventory number
or i.:nplement name.
270
Crops C-6
Breaking Practices (ha¡¡lages)
- please li.st normal operations
over the field to break the
forage in the last year of
produetion (i.e., plow,
tandem disc, culti-vator,
al-n \vvv.l
271
Crops D-1
FOFAGE SEED PBACTICES
CROP:
1. Description tr'ietd Inventory #
Total acres seeded
Average distance to storage (onfarm) (ntires)
2. Yield
Yield in 1980 (u:r:its)
Yield of harvested straw
Acres of harvested straw
t, Fa].l- grazing (if applicable)
(i) No. of beef calves X No.of days
(ii) No. of dairy calves X No.of days
/...\(iii) No. of steers or heifersX No. of days
(i") No. of beef cows andbul-tsX No. of days
(") No. of d.airy cows arrdbulls X No. of days
4. Insurance
' .o /onno\lLar-I ( coverat,/
Crop (average option-5O%, 60%
or 70% and dollar option-low or hieh)
Va]ue of claims in 1980
Nr¡nber of acres cl-aimed on
¿(¿
Crops D-2
5. Seed
Con¡nercial, Registered or Other
Forage nlx
Nr.mber of years of productivestand
Seed treatment (chenrlcal- used)
6. Fertilizer
Analysis of 1st application
Application Rate
Analysis of 2nd application
AppJ-ication Rate
Analysis of Jrd application
Application Rate
(. Weed Uontrol
tt""t """*-1 used.
Nuaber of acresl treated.
Rate of Application, if otherthan recormrend.ed rate
Second chemi-cal used
Nr.mber of acres treated
Rate of applicati-on, if otherthan recorsnended rate
1If 1""" than the whole field was treated..
273
Crops D-J
fhird chenical used
Number of acres treated
Rate of application, if otherthan recorrnended rate
õ. Insect Control
First chemi cal used
Nr:mber of acres treated
Rate of application
Second cheralcal used
Nrmber of acres treated
Rate of application
9, IVliscellaneous
. 10. Fall Tillage and nre-seedin&practj_ces
- please l-ist all operations
over the fields from previous
harvest to seeding; specify
implement used (indicate
inventory m:mber or implement
name). r-f the f ield. was
sunrnerf al-f owed the prerrious
year then no fall cultivations
are lncl-uded.
)'7 )J-
Crops D-4
11 Seed.ing (i.e. , press drill,packers )
12" PqÞt-seed.ing (i.e., weed.sprayer)
13. a) Harvesting (forage seed)
Indicate Swather(s) used
Indicate Combine(s) used.
Indicate Truck(s) used
b) Drying (if appticable)
Number of bushels dried
Moistr:re level before drying
Moisture level after drying
c) Harvesting (straw)
Indicate Baler used.
(Please tist the equipment
used to bring the straw
to storage)
¿l)
Crops D-5
t )t Breaking Practices (forages)
- please list all operations
over the field to break the
forage in the last year of
production (i.e., plow,
tandem disc, cultivator, etc.)
276
Crops E-1
IMPROVED PASTURE PFACTICES
1, Description Fie1d Inventory #
Total acres seeded
2 " Gra-zing
(i) mo. of beef cal-vesX no. of days
(ii) Xo. of d.airy calvesX no. of days
(iii) No. of steers or heifersX no. of days
(:.v) Wo. of beef cows and bultsX no. of days'
(v) }[o. of dalry cows a¡rd. bullsX no. of days
Z Qaa¡l/.
co]o*"""i"r, certified., or other
Forage mix
Number of years of productivestand
Seed. treatment (chemical used.)
t, -+. ti'er-b1-Ll-zer
Ánalysis of 1 st application
Application rate
Analysis of 2nd application
Application rate
Improved pastures are defined as arry l-and which have been broken, seeded,and are presently being used as pasture.
)nn
Crops E-2
Analysis of Jrd application
Application rate
5. hleed Control
First chemicaL used
Nr.mber of acresl treated.
Rate of application, if othertha¡r recormended rate
Second chemical- used
Number of acres treated
Rate of application, if othertha¡. recor¡mended rate
Third chemical used
Number of acres treated
Rate of application, if. otherthan recommended rate
6. Insect Control
First chemical used
Nr:mber of acres treated
Rate of application
Second chemical used
Nr.mber of acres treated
Rate of applicai;ion
7 . lvllsceLlaneous
lIf 1u"" than the whole fiel-d. was treated..
278
Crops E-J
8. Su¡mrer Practices
(i."., weed sprayer,f ertil j-zer broad.caster )
, ). Breaking Practices
- please l-ist usual operationsover the field to break thepasture in the last year ofproduction (i.e., plow,tandem disc, cultivator,
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