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Water Users Association and Irrigation Management - Institute for ...

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Table 8.3: Estimated Production Functions <strong>for</strong> Rice Crop in Good <strong>and</strong><br />

Affected L<strong>and</strong>s of Gundur <strong>and</strong> Hagedal<br />

Variables<br />

Gundur<br />

Good l<strong>and</strong><br />

Intercept 20441 -0.045<br />

Affected l<strong>and</strong><br />

0.016*<br />

<strong>Irrigation</strong><br />

0.087<br />

(5.318) (1.721)<br />

0.067<br />

Seeds<br />

0.009<br />

(0.983) (0.037)<br />

0.062***<br />

Pesticide<br />

0.184<br />

( 1.829) (1.461)<br />

0.032<br />

Zinc<br />

0.091<br />

(0.694) (0.648)<br />

0.034* 0.S45**"<br />

FYM<br />

(3.326) (2.09S)<br />

0.IS3** 0.S02**<br />

Fertilizer<br />

(2.696) (2.828)<br />

0.0143<br />

Gypsum n.a<br />

(0.623)<br />

"'2<br />

R 0.814 0.87<br />

F - Statistic 29.1" 17.776"<br />

Note. FIgures In parenthesIs are t-StatIStIcS.<br />

" Correlation is significant at I % level.<br />

** Correlation is significant at 5% level.<br />

*** Correlation is significant at 10% level.<br />

n.a = not applicable.<br />

"agedal<br />

Good l<strong>and</strong><br />

1.669* 0.665<br />

Affected l<strong>and</strong><br />

0.103* -0.136**·<br />

(2.758) (-1.703)<br />

0.015 0.341<br />

(lA89) ( 1272)<br />

0.142** 0.234**<br />

(20421) (2.134)<br />

0.382**" -0052<br />

( 1.957) ( 0.184)<br />

0.143* 00431 *<br />

(3.19) (3.IS)<br />

0.145*·' 0.300<br />

( 1.792) (10413)<br />

0.0071<br />

n.a<br />

(0.223)<br />

0.S06 0.S2<br />

10.S72· 6.944*<br />

Zinc, a soil nutrient, is found to be significant only in the good l<strong>and</strong>s of Hagedal. However,<br />

I<br />

the use of it is limited <strong>and</strong> erratic. Gypsum, which is a yield enhancmg input in salinityaffected<br />

l<strong>and</strong>s, is found to be insignificant in both the villages. This could be due to the<br />

summing up of both saline <strong>and</strong> waterlogged l<strong>and</strong>s in this analysis due to lesser sample size,<br />

which took zero values in the places where there is only a waterlogging problem. The<br />

analysis shows that pesticide is significant in the good l<strong>and</strong>s of Gundur whereas in Hagedal<br />

it is significant in both good l<strong>and</strong>s <strong>and</strong> affected l<strong>and</strong>s. The waterlogged l<strong>and</strong>s arc greater in<br />

Hagedal than in Gundur (see tigure 5.1) <strong>and</strong> attract more pests during the Khanf period.<br />

Hence, the use of pesticide seems to be more useful in Hagedal.<br />

One of the important variables in question in this analysis is irrigation. From the Table 8.3<br />

it may be noted very clearly that irrigation acts as a yield-retarding variable in the affected<br />

l<strong>and</strong>s in Hagedal, whereas in the affected l<strong>and</strong>s of Gundur it is positive but insigniticant. A<br />

one percent use of irrigation in the affected l<strong>and</strong>s in Hagedalleads to a 0.14 percent decline<br />

197

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