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economics of on-farm development - Institute for Social and ...

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proporti<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> area under canal irrigati<strong>on</strong> marked sharp decline from 46 per cent in<br />

1952 to below 30 per cent in 1997. the area irrigated by wells has increased by 108<br />

per cent during 19R0-1 997. This essentially brings out the mismatch between capital<br />

in\'estment in canal c<strong>on</strong>structi<strong>on</strong> <strong>and</strong> the corresp<strong>on</strong>ding area expansi<strong>on</strong>.<br />

A further disaggregate level analysis <str<strong>on</strong>g>of</str<strong>on</strong>g> this data is in order here to enable a<br />

much man: realistic view <str<strong>on</strong>g>of</str<strong>on</strong>g> the trends in cropped area <strong>and</strong> source-wise irrigated<br />

area in the state. This is to take can: <str<strong>on</strong>g>of</str<strong>on</strong>g> the infirmity in data caused by downward<br />

re\isi<strong>on</strong> in net irrigated area after 1974-75 as discussed in Dhawan (1988, 1991).<br />

Accordingly. growth rates are worked out <strong>for</strong> the entire period <str<strong>on</strong>g>of</str<strong>on</strong>g> 1952 to 1997. The<br />

analysis is di\'ided into t\\O phases. ie .. 1951-74 <strong>and</strong> 1975-97 to rec<strong>on</strong>cile the<br />

do\\nward revisi<strong>on</strong> in the net irrigated area (Table 5.5).<br />

Table 5.5: Growth rates in cropped area <strong>and</strong> indicators <str<strong>on</strong>g>of</str<strong>on</strong>g> irrigati<strong>on</strong> <strong>development</strong><br />

in Kerala 19':;21997<br />

• - - Growth rates #<br />

I<br />

Crllpp~d ar~;t' '~t Irri~"lcd area<br />

Phase I<br />

Phase II<br />

(1952-1974) ( 1975-1997)<br />

I. Net 50"11 area (NSA) 127·· 0.21"<br />

. ., Gross crCl££.cd area (GC A) 1.98 ,. 0.25·<br />

3. 1'>:ct Irricatcd area (1'>:IA) 1.8·' 2.-16' ,<br />

I 4. Area sown more than <strong>on</strong>ce (ASMO) 4.70 " OJ7"<br />

5. Gross irrl£.ated area (GIAl 2.12' , 1.0 I"<br />

6. Total canal irril!ated arca (TC) 2.03 " -2.90'<br />

7. Tank Irrtl!atcd area (TA) 2.48 ' -0.75 '<br />

8. Well irrl£ated area (WI) -3.37 • 13.31·'<br />

9. Irrigated area under other sources (OS) 0.82 ' 5.26**<br />

10. Cropp_ill£ intensitv (el) 0.12·' 0.05'<br />

II. Irri.s,ati<strong>on</strong> ratio (IR) lNIAINSAJ'IOO 0.53" 2.25"<br />

# Growth rates are cstllnatcd uSing the semi-log <strong>for</strong>m. LlI Y a + /31<br />

• Significant at I % level: •• Sigl1ilic:lI1t at 5 % kwl .<br />

Suurce: Estimated from GOK. Statistics <strong>for</strong> Plal1l1l1lg (vanous years).<br />

The trends suggest that the growth ill Ill'! irrigated area was more during the<br />

sec<strong>on</strong>d phase (2.46 %) compared to the first phase (1.8 %) <strong>and</strong> reverse was the trend<br />

147

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