Journal of FARM SCIENCES, Vol 22, No 1 (2009)

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Contingent crop planning to match varied canal water supply situations under Malaprabha command

S. Rajkumara, Y.R. Aladakatti, C.B. Meti, A.B. Khot

Abstract


A field experiment was conducted for two years at Water Management Research Centre, Belavatagi to find out suitable contingent crops for different late water supply situations. Planting of chilli with August release of canal water produced significantly highest maize equivalent yield (143.2 q/ha) which is closely followed by sowing chickpea (104.1 q/ha) with release of water during October. Hybrid maize sown with August release of water was more water use efficient (10.53 kg/ha mm) followed by chickpea sown with October release of water (10.27 kg/ha mm). Chilli planting with August release of water resulted in significantly higher net returns (Rs.61367/ha) and B:C ratio (4.84) and water productivity (Rs.15.46 /m3) followed by sole desi cotton. Sowing of desi cotton during September resulted in higher yield (22.0 q/ha), net returns (Rs. 31,630/ha) and water productivity (Rs.8.90 /M3). Chickpea with canal water release in October-November produced higher yield (31.2 q/ha), net returns (Rs. 48,250/ha) and water productivity (Rs.13.44 /M3).

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