ECONOMIC ANALYSIS OF WATER HARVESTING STRUCTURES IN DIFFERENT FARMING SYSTEMS IN SUJALA WATERSHED IN EAb i ERN DRY^ONE OF KARNATAKA
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Date
2008-08-08
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University of Agricultural Sciences GKVK, Banglore
Abstract
The study aimed at analyzing economic impacts of water harvesting structures on
groundwater recharge, agricultural productivity, farming systems and management of water
harvesting structures in Kurudi micro watershed of Kumudavathi sub watershed in
Gauribidnur taluk of Kolar district. Both primary and secondary data was collected for
analysis. Primary data was collected from 90 farmers, 60 from watershed and 30 from nonwatershed
with the help of pre-tested and structured schedule for the year 2006-07.The
analytical tools employed include discounted cash flow technique, ratio analysis and logistic
regression
The investment on farm ponds accounted for 60.7 per cent of the total investment
followed by recharge pits (36.2 per cent). Earthen bunds and gokatte together formed less
than 4 per cent of the total investment. The yield of groundwater in watershed (2240 GPH)
was higher than non-watershed area (1763 GPH). The net return per acre of ground water use
was highest in watershed area (Rs.l914) than the non-watershed area (Rs.l637). Few case
studies of a farm pond where the beneficiary farmer has put the water into multiple uses have
been compared with the case where water has not been put into multiple uses. Additional cost
incurred for lifting water from the farm pond was Rs.l809, while net return was Rs.2121 with
multiple uses of water. In the case of recharge pits, additional returns (Rs.22118) exceeded
additional cost (Rs. 12784) with a net gain of Rs.9334. Investment analysis of water
harvesting structures indicated that for every rupee of present investment on water harvesting
structure there was a retirni of Rs. 1.67.
The over all probability of management of water harvesting structures of the farmer's
possessing farm pond and well was 0.84. The odds ratio was 5:1 indicating for every one
chance of management of water harvesting structures by farmer possessing farm pond but not
a well, there is five chance of management of water harvesting structures by farmers
possessing both farm pond and a well.
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