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

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The site <str<strong>on</strong>g>of</str<strong>on</strong>g> pickup weir is at Ottackal 5 km. downstream <str<strong>on</strong>g>of</str<strong>on</strong>g> the reservoir<br />

bv the side <str<strong>on</strong>g>of</str<strong>on</strong>g> Kollam - Shenkottah Road. The right <strong>and</strong> left bank main canals<br />

take <str<strong>on</strong>g>of</str<strong>on</strong>g>f from Ottackal. The Right Bank canal <strong>and</strong> its branches serve areas in<br />

Kozhencherry. Pathanapuram. Adoor. Kunnathoor. Mavelikkara. Karunagappally<br />

<strong>and</strong> Karthikappally taluks <strong>and</strong> Left Bank canal benefits areas in Pathanapuram.<br />

Kottarakkara <strong>and</strong> Kollam taluks. The powerhouse is located at the foot <str<strong>on</strong>g>of</str<strong>on</strong>g> the<br />

dam <strong>on</strong> the Right Bank.<br />

The KIP is the largest <strong>and</strong> oldest irrigati<strong>on</strong> Project In Kerala. which was<br />

started in 196 I <strong>and</strong> partially commissi<strong>on</strong>ed in 1986. It envisages the c<strong>on</strong>structi<strong>on</strong><br />

<str<strong>on</strong>g>of</str<strong>on</strong>g> a gravity mas<strong>on</strong>ry dam across the Kallada River at Parappar near Thenmala in<br />

Kollam district. A weir c<strong>on</strong>structed 5 km down stream <str<strong>on</strong>g>of</str<strong>on</strong>g> the reservoir diverts the<br />

water let out from the dam to the right <strong>and</strong> left bank main canals to irrigate a net<br />

area <str<strong>on</strong>g>of</str<strong>on</strong>g> 61630 ha. unlike the other irrigati<strong>on</strong> schemes in the state l which are<br />

primarily designed <strong>for</strong> stabilising the sec<strong>on</strong>d crop <str<strong>on</strong>g>of</str<strong>on</strong>g> paddy (Mundakan) <strong>and</strong><br />

growing the third crop]. the KIP \\as envisaged to promote a composite<br />

cultivati<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> crops like paddy. coc<strong>on</strong>ut. banana. arecanut. cashew. pepper.<br />

ginger. pulses. vegetables etc.<br />

The water distributi<strong>on</strong> In the Kallada irrigati<strong>on</strong> project IS peculiar as it<br />

combines the c<strong>on</strong>venti<strong>on</strong>al opcn can~d<br />

systclll (OCS) <str<strong>on</strong>g>of</str<strong>on</strong>g> water distributi<strong>on</strong> to low<br />

lying paddy fields <strong>and</strong> a uni4uc system called Minor C<strong>on</strong>veyance System (MCS).<br />

The MCS is a system where watn is distributed through underground pipe<br />

system laid through hydrants <strong>and</strong> tlc\iblc hoses that arc c<strong>on</strong>nccted to the spouts<br />

<str<strong>on</strong>g>of</str<strong>on</strong>g> main canals. branch can;lk distribllt;lries <strong>and</strong> minors. Water is applied<br />

through hoses <strong>for</strong> garden erops above'; per cent slopes <strong>and</strong> open lined channcis<br />

113

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