ECONOMIC ANALYSIS OF CONJUNCTIVE USE OF IRRIGATION WATER IN KRISHNA RIVER BASIN OF KARNATAKA
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Date
2017-08-21
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UNIVERSITY OF AGRICULTURAL SCIENCES GKVK, BENGALURU
Abstract
The study was undertaken in Krishna river basin (Vjayapura and Kalaburgi
districts) of Karnataka to analyse economics of irrigation among the farms across
surface water (SW), groundwater (GW) and conjunctive use (CU) regimes. The data was
collected from randomly selected 60 farmers each under the three irrigation regimes.
The annual cost of irrigation per acre was highest under GW regime ( 4975) followed
by CU ( 3314) and SW regime ( 469). The net return in the farms where CU is
followed is higher ( 10599 per acre) than in farms irrigated by GW and SW ( 6772 per
acre and 8490 per acre respectively). The transaction cost incurred to establish the
water users cooperative society (WUCS) was 16,750. The total annual expenditure
incurred by WUCS was 77,338 of which the expenditure on clearing field channels was
the highest ( 32500), followed by salary of secretary ( 30000). The share of energy
costs in total cost of irrigation was higher under conventional irrigation system (34 %)
compared to drip irrigation system (25 %) and sprinkler irrigation system (22 %) among
the farms irrigated by GW and in case of farms irrigated by CU, share of energy costs in
total cost of irrigation was the highest under drip irrigation system (30 %) compared to
conventional irrigation system (27 %) and sprinkler irrigation system (23 %). Promoting
conjunctive use and rejuvenating WUCS will helps in improving water use efficiency.
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