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iiY\; fl~il!JJi»1l!i±~z!'Ji, Pickrel, Luther fIl D. E. Hathaway tE~~H1l~~t&

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-1), ~J;J,Wfjf;ifl.\*~~&, I1JT1E{'%l!S1~~.ft~:f.jWl;j1t~zl:Pjf~;~1faI7.llj_*

4l!~.*:t9:Qm:l:~1fz~itfJm~c5t~J{~~~zi;;~):(E~1f.~m1~fFltm1fITr§·,

lU'lt!l:ttB9~;Mf'fltm C1,(Q-jtJj7J'~" =m7J<.~~) ~*, ~J;J5i!j~~JlJ:*::\Ht\tz*

~)i, ;r~JEM.ffl~ _~~ J;ibt~JlJ:~i!I!z AlJUI'1:ltJl1Z*i*JlJ: tJi1*i1z*tJi1~ i'i!li,llt~~iJJ~El3.~D.~UW.,~~~~.~zl:~PJf:(Eo[';l§~,~fflW.~::f

@11JJ;t~~~~z~1:.,1fITR~m~~z~§~*~~m*zW~~~D~o~

~8.Z·Frli*ITiin, ~it~:.*1iIimA TJ'tf'flt.z.l:t{7!J.I:t••_**, *;!'t:(E\1I:j,~

JJiaiJ;t~~JHmIJltm~E~, 3Z.~.I:t~._*~Jtli1lto :jI}~, El3:1n~~~J.JIJz:m*

( 34 )

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-109­

~ 4-1 i:!nt~/;&it.~#f-j}1l:t,IhR~.~lj~'f.1i.;Il~A.~

~=t.tt.~ Wt.fft: M~j[;, %

1

2

3

4

5

6

7

8,070

8,953

12,520

9,347

11,772

15,995

17,669

100

100

100

100

100

100

100

9,792

10,136

7,612

6,147

5,627

7,070

121.34

113.21

60.80

65.76

47.80

44.20

12

6

5

4

5

3

+21.34

+13.21

-39.20

-34.24

-52.20

-55.80

100 87.83 -12.17

*~ft~Z~~~~~*%~~~nTA~&nT~~~~Z~fl~~~~o*~ffi

~~~nT/\fuffl>K~~7f,0

** if~13it l:tZ:J.Jnf!l!~:ititi:{f j;:{;ffp!,:j¢(~ff'I!ti:o

!t/FJI'l], m*~~8~Jt*'l-~ilIIff1tJt*'l-z 2f~~~, nJffJmfiJtfl J;J,4t~ti7JIjztt*t\fI:mmt\fl:~7JIj*;tt1Jnffl2f~t\fI:o ;tt~t*milllff:1!fJtfllU8~Jtflm; 12.1796 (1if

4-1) (~+=.)o

.... tflif.\ft~~Ji:It*~= -~,,--

:l!if.;n-~*

(-) .~ttJ£*zit.:

£~rm~{t~~Jtzi'tJlX~~I'fJ~JtoffijL~~8~i:t~ilIIff1t~?JfliZJtflffi

K~.M*,.1tJtfl~~E~Jtfl~~~%o.*Jtflz~~ n~~~E

-j---t:if.:fLJI .1tJtfl~Z~:f!(ifi~1:.~~*T J;UIl~(jtt=+lm), :p}~4tif.1:.~

~*~JlX~~7J1j J;J,~f!jjiJE-j-- l\if.~{l*i\!!~l±I, ~~~.~~~~JtzJlX~ (~

I"&l1f&t~fii~71j~~*), ;ttM*~f!jjiJn+~if.~f¥JlX~m 612 x, ~f!jjiJE+

-f:::¥~f¥JlX~~ -976 X, 1lii~f!jjiJE+l\if.z~f¥JlX~~ -9,090 X (lltt\fl:@:

~.L~W~~~~*~~~Z~~,*~~~~~*±~~Z~*~, ~

~~0~tmr:

~=T=:~~~fl~*.*~~~ft,~~~~~*~~m*~flm~~~Z.#,Jt~tmT: .*~c~m*!Ji!~*~ ~~ftm1S-~Zw Efl•••m, 1962~m1!tl:t~~{!£T 18.58%; ~ 1967~mftl:t~~~1fl 24%, 3T~~~r,tkliJ~%

~~~~&.~#§z~~3T~o(~=)

i\t:::T~: ~~l:t{?lj::f3 100/88, ~~1!tM~~~Mz 87.83%, tmW\;~WIaft.#~~~~~.flz*~~~~WIa1!t~#*~l00/~o

(35)

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-110­

Z~.~~~mft+A~~~~n+n~~~Zre~~#~z~~~~~M~~

*».~mft+~~zi~Hi~~it~mH\1,-JlIjf&rl'1'~nIt*.tiH\~*,~~, fF~

~~:m~mm~.~~.~~t9:Ji:\lM'~,i&A.m~~iiJn+7\:¥-;&n+~~f.mIJ~), it~ilii~z~~t9:f(~~:m -10,176 5C (~ 4-2)0

~¥t*±f*fif»'AI;fH'If~D9!t9:Ji:i¥fliliij§, ~mft+7',~fti-/\:¥=:¥/Hli.tJ.>,rt[:!&Ii![~*.~.~*±*fif:mlx~:m 148,897 5C, fflm~1i&:mlx~~ 119,359

5C, f&tI:, ~rl'1'.~l:*±*fif~lflx~:m 13,516 7t:, fflm~1i&JlJj~lflx~m

7,173 5C (~ 4-3)0

*- 4-2 ~-t",R1f J/t Jzi ~ it Jf-e*.:r:&i'lf1j!~111i~~J~RlG*z.J&~ijHJ~)

~ § m~li-r1\$ .mWl1t-r.f::;$ ~~1t-r/\$*

f!: ~ 612 -976 -4,763

'* li -253 133 133

IJ, it 359 -843 -4,630Ii

rJJ~RlG* 237 365 4,460

1& ~ 122 -1,208 -9,090 -10,176

*.mWlli-rA$Z.f!:~J&~.M~RlG*~~m~li-rA$~A~1t-rn$1\Az.~~

jtf;J€l-[t$Jffij~o I3I1jG~.niW~~*~&.liz.J&5<:fjlf?G,ttcfi0t§.!~1t-r·t~Z.~~~0t~~~.o~~~$z.~~~~~~~~o

*- 4-3 ~~A+~~A+Af~fM~~~~*~~~

JJ...f{t ,,"tt:ie.~ fa'.t.~J:.i:.~.jij t@j 4ijEj3xl1:l (7(;) ITiift(Ej3) ft;rJJ.~l:5<:11:l (7(;)

7J<±i'il~1I~

~~~~ e1t-r1\~) 15,739 1.616 25,434e1t-r~~) 13,507 2.83 38,225e1t-rA$) 15,058 5.00 75,290

Jl1 ~ 1IIi e1t-r1\$) 1,333 1.00 1,333:m l!Jj e1t-r1\~) 15,114 0.57 8,615

ft ~ e~rJJ.~l:~5(I1:l) 11.016 148,897

,§.!rJJ.~J:4ij;Ej3xl1:l 13,516

fflm~]ifjfAA

1W 7.f< ill! eli-r~$) 25,172 0.66 16,614eli-rA$) 5,899 6.95 40,998

tl~~ Cli-rA~) 7,393 8.03 59,366!IF 7.f< .. C1t-rA$) 2,381 1.00 2,381

ft [f c,§.!rJJ.~J:~3tI1:l) 16.64 119,359

,Ei.\M.IlJitJ:4ij;Ej35<:11:l 7,173

jfM*iJJi: ~ 2-6 &~ 2-70

( 36 )

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-111­

l:iltZ{t~~JtjJ!ll:R;rl'l'.~l:*±~~:&JfH'"~~3t~it~~.M~~T1t

*z;ltJrtrJ~jt, :B'~lm~~~ 30 ~, ~;flj~~ 8?6, JlIj?JT;f<~zlI~~nlt*~

n~4lt1f' 6,158 5[;, jjt.~m.Rllr:

R;rl'l'.~l:*±~~~jt~~T1t* 13,5165[; xO.08883=1.2015[;C~~T1t*Z-)

7.K±~~IYfH'"~~~jt~~T1t* 7,1735[; x 0.08883= 6375[;C~~T1t*Z=)

~3t~~~~T1t* Crl'l'1tT1t*) 5,4575[;XO.08883= 4855[;C\ti:=-tn)*±~~~~~ft: C1tt=-t;\) 1,7775[;

*±£'J:~fflffl~~~I4Ui. CU=-t-I::) 1,1545[;

i£~~Jtz~gtffl(;*

tlt~Ntffl(;*

10,1765[; x 0.08883= 9045[;

6,1585[;

C=) I.t~it~~z.tt.:

*Htt1*±~~:&.±itMIJmgrflJld~Nz.*~IU~:Ii!VtHilj, *~~t5lftzJF

~~*~~~o*~~*±~~~~$ro,~~~~~~zt5~~lft.~~,~

~~~JC~;ffll;frl3'i"t1&t1 Cjt{Il1*~Rufttjij ... c*~tfF~), *t£~~gt.l:~m

rg1&t1zlft.1f7* (Lag in Accrual of Benefits) (jit==-ti\) , jt?JT~ztt

~~~~~o~.~~.~m~~~~jtM~~, ~~~~1&jt~~t£~l-g

if.~7'C~i"t1&Jllg~ (Complete lag); ~4~z{&~~~M*1Jr!,-t~~{&fla~

~JIj§*~~ C~=-rJL); n~;f<~~~!itzt5jft, ~5Em 16~Z{&Mt~1E7t

;f1j~Jllg~ (full benefit), :wrll;f~If'~~¥1~WJ.5[;C~.=-t); ~~5E~ 4­

15if.~~~~~l:n-Jllg~(straight line lag) 0 Jllj:tn~m~lm~~~ 30 ~:&.

~;flj~~ 8% zlI~n~~~4lt~4ltIf'~ 9,7505[;, jtlft.~~Rur:

;1 l=..=:i<E: .*~Ej3 ±:r1frtEiIT'Ij~t,jjl;f3M0~~7}.tIi~ 1,181,468 5G 7 216.5( Ej3)

=5,4575Go i'fM*i!j: ~:rJJ!!" iJJ~liJf'1lf.ll1!i-, ~ 46Ji, ~'=:+'=:o

it.':.=:+7\: 7](±f¥«iij';~ili .f*.I;;{iic~j!fMz2jS~~l!l!:iHifA'~ftllH!t.flz ZJS~~l!l!:iHi.

~fiti:, 7})j1j:!mil'liZJS:!0iTiHlh(3,349 5G x26.2B6+400Ji; x30.02) 756.306=1,777 5f;

ilt'=:-f--e: *±f*«i~~ili.~~c~i'f*'te~*hifl~F~~-~~~mw1L.+I\~7E'fIt

1,154 jC, i'OC!f.l;;{J!t-ti:1i«ft~1J!iffzo

~'=:+A:~W.,i'fi!j~~~LW,~~~~~~*~~M,~~~W~~$rr,~

~1L.+:tL~1L.J1~j;ji,-ChaPter2, Benefit-Cost Evaluation As Appliedto AID Financed Water or Related Land Use Projects. pp.1--60.

~t..=:+:tL: ~gI, g;~~l$i, ~1Jf~i!&Jf.fRlf*Ii~I=!hmi4jt'¥jjfr 038E-fIIfi 07,~8J{o

~~+:~~,~~g;~~M~.~~liJf~(*~~z~±~X),~~*~.~~

~li1f1l:@i', ~1D1L.+.::::~1L..n+El, ~ 36Jio

( 37 )

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-112-

1. ~ 4-15~r~'~~FJfii1J11z.Jlt~ 20,000)[;+ 12~=1,6677t/:¥(Annual Increase)

2. ~ 4-15~r~,z.~JlX~tJ.~4:¥z. 1,667 7tx42.1699=70,297 7tmfjfi'1{~ (Present Worth at beginning of 4th year)

3. 1$ 4-15 ~r~,z.~JlX~tJ.~l:¥z.fjfi'1{70,297 5C x O. 7938=55,802 )[;~ (Present Worth at beginning of 1st year)

4. ~"4-15~r~,z.~~~:Jn 30~f'g 55,802 )[;XO.08883=!4,-957 xl7t.z.if.ff~~ (Amortized for 30yr, 896) ". - --

5. ~ 16-30 if.r~'Z.~JlX~J;A~16~ 20,000:5C x8.559= 171,180:5Cz.mfjfi'1{~ (Present Worth at beginning of 16th year)

6. ~ 16-30 if.j~,z.*'!tJlt~tJ.~1 :¥ 171,1807t X0.3152= 53,956 5Cz.mfjfi'1{~ (Present Worth at beginning of 1st year)

7. :?f! 16-30 if.r~,z.~~~7t.1k30 53,956:5C x 0.08883= 14,793 7C1if.f'gz.if.ff~~ (Amortized for 30yr, 8%)

~if.ff~~ (Total Annual Benefit) (4,957+4,793)=I~,75Q:7(;1

** '€l~ z., *Tff~~1k~E!~ fMJf!w,lJ~ lSHi:;jSj-z.fl§:;W;, -~if.~tJf!fM Jlt~z.l'1H&

tt:&:!E(!lB~~z.!lB!i!Ittz'H~o 1&~*ffJ~Z.*±f*f;f~*!tm~il/.Il~HH', 11fR.&I1'[!lB[i![z.:rt;[email protected]*~m~ff1H~4-~I'fl~ 6, 1E8 7t, 1I\t!if.ff~~1i*i

ff~:¥~E¥~9,7507to JliJ

~*!t= .:::{~-=1.58: 1

J1t-ltfjfi~*if.z.*fi* 1.57: 1fi~ll~, ;Jtq:r!lft:¥ffnlt*tJl1tJ.il/.Il~, m~Jlt~

7Jfff.J!~t~Hi'i, 1&~5!~if.~1'fl9,7507t, 'I'~~~Jlt~1*l;A~:fZ~{?1J, ;Jtflli

*fMz.Jlt~ IiJll!H~ fll1!oJlt-ltfjfi, :{E4-W:z.Tff~$1\li1iJ*at ;Jtilli*fMJlX~z.fI!fltt

~fjfio*~4-~z.Tff~~*W~, ~m*±f*f;f:&~~Z~:rt:{E~rr:!E(!lB~~~

~r1*1i:tffiJi¥J 0

( 38 )

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-113-

1. ~tIJ:tii&!f-f.:I*1I W-l:lt!Hl~ f,ij, ~ r:p~i&!f-f, ~:P.'" ± iJil~2l?±itkillm~~ll!tIa=?to

2. ~tlJ1tii&)ff!lM\eW-l~.iOCf,ij, ••Ulit!!Z§3~U~Mlfl3t~, A;m:;:-,;-t~=

Jio3. "*tiM17.K±i*fif.il!It" .~~21~~2Wi, A;m;\+~-Jl+;/\I3, :m 7,

12,41-43 ». 44-49 Jlo4. ~:J;!)m, "~.g.tt"'±i*~2l?±it!!;tllmit"~Uii~HJT~~m~¥IH5·" 7](±i*

~••~-t, .tIJ:ti~r:p~*••••~fi~~~.:tii&)ff.:I*eW-l~.~f,ijffifi, r:pm.M~~~~~~*~~,A;mn-tn~-t=Jlo

5. ~*<lli'f~, "L¥ti'Il-M'~.. W-ljf'H~mE:I:~fi~ (fJJ:!Pf~H!f) " ~."'±'f*~

.fi,.l~~lWl, r:p_*±i*fif.~A;mn-tn~-t=Jl-l3o.U

-32 J{o6.•lIt:tii&!f-f.:I*.W-l~.~~,••1lUl!l1lit!!'f*lfillme=?t, A;mn-tjr--t

=Jl7. *aEffl", ••;ai!Ut'U.!~~HJTzm~(5fd~~~1lJ:f±~3c), .tIJ:ti~*

~*••••~fi~m, A;mn-tn~nJlo

S·M*. ".~W-l.~.~H.~.~~fi"••±it!!••~fl.7~.2Wl, A;mn-tjL~6Jlo 1f,S9J'{o

9. • 1l*W-l.~fi~/Hg, ~MIl4~it!!.~~jUIIE.fil;5-, A;mn-tjL~n

JJ 0 Cnbffi)10. ~:J;!)m, i!f~~••J:M-, .tlJ1i~*~*.ft#, ft'f%Jjjgl±l~,mffifi, A;

lJ!l'an-tjL~nJJ :p}~o Chapter 2, Benefit-Cost Evaluation As Applied

to AID Financed Water or Related Land Use Projects. pp. 1-60.

11. 5R3£'i:, ••••••fi••••z@~ft*", ••:ti~r:p-"*••••~fi~m, A;mn-tn~=JJ0

12. JjlmM, ....FJfmm7.K±*fif:;JJi*~~W".:p¥**III~T1J, • 3 ~.1

Wi, 7.K±*fif.il!It, *_:1*.*, A;mn+A~-t=JJ=-tnl3,.I-~

J{o13. lJ)*~, "*kittt7.K±*f¥/!l..±~fIjJ1UtJ1J" .:p.**.:fETlJ.=:~.-:M,

A;mn-t/\~T=JJ*nl31f, 63-68 J{oM.$.§...~L¥, ••~~~~~zm~fil;5-, :ti~r:p~*••••~~~

m, A;mnT=:~o

15. x-f-5E, ".tlJW-l~~7.K±i*W' •••n~T1J, ~n2~.4Wl, A;mn-t­~-t=JJ 0 .137 Jto

16. 51t~~, ....W-l:ll2~••" •••n:fETlJ, .12~~gg:M, A;mn-t~T

=JJ 0 • 171-184 Jto

( 39 )

Page 40: iii! m IIJ * --.~.~.~~ •• ••m-- · -75-~~1!'k±1J~7i. ± iii! ~IJ mit IIJ xt ft H. *"--.~.~.~~••~••m--~-----_.~~--I 1:... m~.. ~~ifuJutit J\\.. n~ ~.. *±*~Z~~~*--~*A~*±*~~rnm~~

-114-

17. jl~~, '';~UU~~" ~.~il!x:Jff.:U.Ufiliffi, m$¥Jl/t 038E-lilei 070

18. Economic Research Service. U. S. Department of Agriculture An

Economic Evaluation of the Great Plains Conservation ProgramERS 440, July, 1970.

19. Johnson, R. W. M., An Economic Analysis of Soil Conservationand Land Retirement on South Island High Country Research

Report No. 62, Agricultural Economics Research Unit, Lincoln

College, May 1970 35pp.

20. Held, R. Burnell, Melvin G. Blase and John F. Timmons, SoilErosion and Some Means For Its Control Special Report No. 29

Agricultural and Home Economics Experiment Station, Iowa St­

ate University, Ames, Iowa, August 1962, 32 pp.

21. Blase, Melvin G. and John F. Timmons, SoU Erosion Control InWestern Iowa: Progress and Problems Research Bulletin 498, Ag­

ricultural and Home Economics Experiment Station, Iowa State

University Ames, Iowa, Oct. 1961, pp. 276-324.

22. Sauer, E. L., and H.C.M. Case, Soil Conservation Pays Off. Bull­

etin 575 Agricultural Experiment Station, University of Illinois,

Urbana, Illinois, April 1954.

23. Pickrel, Luther and D. E. Hathaway, "Agricultural Conservation

Payments and Farm Practices" Quarterly Bulletin Michigan State

College, East Lansing, Feb. 1954, pp. 318-330.

24. Subcommittee on the Economics of Soil Conservation, Conserva­

tion Problems and Achievements on Selected Midwestern Farms,North Central Regional Publication No. 23, the North Centrol

Farm Management Research Committee, July 1951, 53 pp.

25. Sauer, E. L., J. L. McGurk and L. J. Norton Costs and Benefits

from Soil Conservation in Northeastern Illinis Bulletin 540, Agri­

cultural Experiment Station, University of Illinois, June 1950.

( 40 )

Page 41: iii! m IIJ * --.~.~.~~ •• ••m-- · -75-~~1!'k±1J~7i. ± iii! ~IJ mit IIJ xt ft H. *"--.~.~.~~••~••m--~-----_.~~--I 1:... m~.. ~~ifuJutit J\\.. n~ ~.. *±*~Z~~~*--~*A~*±*~~rnm~~

ffl~-

H .M~.~m~••~m#•• (I.)

-115-

m tt~F ;ltfj I • ex) ~m58:¥=100

--~~----- ---------

~m 50 :¥ s 35.03 57.80

51 36.09 59.55

52 36.53 60.28

53 37.76 62.31

54 38.76 63.95

55 41.26 68.09

56 43.93 72.49

57 50.99 84.14

58 60.60 100.00

(::) ._~.~m~~.~m#~.m~(~~#~)

@~#~m~ @~#~m~

if. ;ltfj ~m5O-52if.= 100 ~m58if.=100--------._-_ .... - .

~m 50 if. 105.87 88.94

51 102.16 85.8352 95.60 80.32

53 91. 73 77.06

54 94.92 79.74

55 103.91 87.30

56 109.66 92.13

57 117.30 98.55

58 119.03 100.00

t='l ~~~.~m#~.~~ffl&~m~

~~.m&~m~ ~~.m&~m~

if. ;ltfj ~m50-52if.=100 ~m58if.=100- .-.-------- .. - _.._._--~--

~m 56 if. 105.96 98.36

57 109.64 101.80

58 107.73 100.00

~ ~.~.~m~~1J.l1l'*~mJt

l1l' *- m~ l1l'*~m~if. ;ltfj ~m50-52if.= 100 ~m58if.=100

-------.-.----

~m 56 if. 99.14 90.43

57 111.57 101.77

58 109.63 100.00

( 41 )

Page 42: iii! m IIJ * --.~.~.~~ •• ••m-- · -75-~~1!'k±1J~7i. ± iii! ~IJ mit IIJ xt ft H. *"--.~.~.~~••~••m--~-----_.~~--I 1:... m~.. ~~ifuJutit J\\.. n~ ~.. *±*~Z~~~*--~*A~*±*~~rnm~~

-116-

flftj!t=

1962, 1967:¥.*~e~[liUl*J&~Wi\J~Jt*'f~I¥.*.mzlt~

1962if. 196 7 ~

112 I\Jft ~ 1t fl2 I\Jft ~ 1t~-_._-_.-.

--~_._--~-

15- fit 16,338.50 13,303.48 22,316.56 27,693

S ?t It 100.00 81.42 100.00 124

fl m ft 774.44 750.43 1,010.94 1,288

1lE *f ~ 4,739.80 4,097.39 5,268.94 6,751

A::C~(~§t.5*I) 1,504.78 1,505.21 2,436.97 3,794

frli lJ. * ~ i'il j!It 419.90 413.91 914.98 1,339

7K 1l'1 658.44 322.61 760.99 1,123

.~ * ¥t m 1,155.13 1,516.52 1,343.46 1,638

:jt ffu 2,101.13 207.83 2,994.88 680

m ~ m * f! 570.21 513.04 1,008.71 1,308

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till fli 122.61 410

'flj -'iI!. 138.26 592

tt ~ {!f'- ~ 33.04 162

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~ % >T.!€ iii 'I\lt 348.70 305

tJT fi ~ 953.91 1,019

,Ill ~ *! l1i 'l'l 104

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( 42 )

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( 43 )

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-121-

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-153-

An Economic Evaluation of The

Integrated Soil-Water Conservation andLand Use Program

A Study of Farm Record Keeping familiesin Sa-Lu Cheng

Carson Wu and Barbara~

Summary

Economic growth and population pressure in Taiwan havepushed the land use to be allocated between industry and agri­

culture sectors in the plain areas. The intensive use of land in

Taiwan is a well known fact.

Under these conditions the direction of land development

suitable for agriculture is toward the slope land areas which are

between 100 and 1,000 meters in elevation. However, the utiliza­

tion of slope land must be accompanied with soil conservation

practice. This research project is to study the economics of the

integrated type of soil conservation.

The study area of this project is Sa-Lu Cheng, Taichung

Prefecture which is close to Chung-Hsing University for the

convenience of assisting and supervising farm recordkeeping.

The data was collected from record keeping during the period

of July I, 1969 to June 3D, 1970 from 25 farms and the previous

investigation in the area.

The results of the analysis areas follows.

1. The costs of investment and maintenance of different types

of soil conseriation practices were:

bench-terrace ditching soU-embankment

labor material total labor tnaterial total labor material total

Invest- $ 14,294 1,697 15,991 1,333 1,333 9,720 9,720

Ment % 89 100 100 100 100 100 100

malate- , 2,902 445 3,347

nance % 87 13 100

-~ •.._ ..._----

* Visiting Associate Professor and Research Assistant respec­tively Research Institute of Agricultural Economics, Chung­Hsing University.

( 1 )

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-154-

2. In the study area, most farmers planted Litchi fruit tree

after soil conservation treatment. Among 28.483 chia of total

crop land investigated there were 24.56 chia* (86.23%) to

grow Litchi, the other uses were for pear, orange and miscel­

laneous crops. The direct costs of growing Litchi rised every

other year. Farmers would get revenue from Litchi after 4

years of planting. Hence for the first four year the net

income was negative. The revenue of Litchi at the the

seventh year after planting amounted NT $ 16,092.5 per chia

which could well cover its operating costs of NT $ 14,771.81

chiao

3. All data were adjusted to 1969's price level, and the benefit­

cost ratio of soil conservation in Sa-Lu Area would be at

1.58: 1. From this point of view, the use of the slope

land under the Integrated Soil Conservation and Land Use

Program would be economically feasible.

From this study, three conclusions could be drawn.

1. Bench-terrace was the most prevailing type of soil conser­

vation practice due to its suitability for the early stage of

orchard growing or traditional experience. Nevertheless, this

type of conservation practice demanded a lot of labor work

about 247 man-day per chiao In the situation of labor move­

out of agriculture in recent years in Taiwan, either the

shortage of farm labor force or high labor costs will prevent

this bench-terrace practice to continue. Agriculture as well

as soil conservation in slope land must be operated in the

method of labor saving and mechanization. In the future,

the practice will adjust to farmers' need and be sought the

most suitable type for the area.

2. The land was used more effectively when farmers participated

themselves in this integrated program in Sa-Lu area. Most

farmers adopted long-term farm enterprieses or perennial

crops such as Litchi instead of short-run crops according to

natural conditions and price incentives. The costs of the

long-term crops varied from year to year, so the method of

collecting data should be different from survey method, and

* 1 chia=0.9699 hectare.

( 2 )

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-155-

farm record keeping method can make up some weakpoints

of survey method.

3. Farm record keeping is more suitable for long-term crops

to set up detail items of production costs in order to make

a reference for farmers to improve their farm management,

and for government to extend a most effective agriculture

type in the slope land areas. The results of farm record

keeping were mostly influenced by the attitude and coopera­

tion of the farmers.

From the above conclusions, we would like to suggest:

1. The government should help farmers to improve their prod­

uction technique in gowing fruit tree. Land is one of our

scarce resource at this stage. We should not let it to be

used in a low efficiency condition due to individual farmers

default.

2. The government should assist farmers to set up local agricul­

tural group. In the meeting of the group, they could invite

experts to help them in improving their soil conservation

practices and farm managemnnt method. In the meeting

they can also determine to construct the public utilities for

the development of their communities. In addition, they can

adopt common practices and common marketing for their

farm enterprises in order to obtain the advanteages of mo­

dern farming.

3. Government should set up an agency to render the loan

service to farmers with low interest rate. Since both the

growth of orchard and the operating of livestock enterprises

take a rather long production period, farmers in slopeland

need more finanical arrangement than the average farmers.

For the purpose of helping farmers to use slope land more

effectively and economically, it is necessry to loan farmers

with low interest rate.

( 3 )