Year: 2020 | Month: June | Volume 65 | Issue 2
Regional Optimal Crop Planning for Sustainability in North-Eastern Dry Zone of Karnataka
G.V. Rohith
M. Sagar
Jaganath Olekar
DOI:10.46852/0424-2513.2.2020.16
Abstract:
This study is aimed at designing the sustainable regional crop planning for North-Eastern Dry Zone (NEDZ) of Karnataka. The extent of efficiency in resource use and allocation as reflected in the costs incurred and net returns realized by valuing inputs at market prices, economic prices, natural resource valuation technique (NRVT) are quantified for Manvi and Raichur taluks of Raichur district in NEDZ of Karnataka. A random sample of 30 farmers each under rainfed condition, borewell irrigation and canal irrigation are studied. The study shows that optimal crop plan under market prices, it is not profitable to cultivate cotton under both canal and borewell irrigation. The area allocated to cotton under borewell condition instead of paddy when economic pricing was considered. This is due to less water requirement in cotton (49.4 acre inches per ha) than paddy (98.8 acre inches per ha).The area allocated for rainfed Redgram is higher in NRVT (69956 ha) than at economic price and market prices (31072 ha). This is due to higher net returns realized due to nitrogen fixation. Sustainable optimal crop plan for the region developed using linear programming technique indicated that, 168293 ha is to be allocated in canal, 457328 ha for rainfed, but no area allocated for borewell irrigated condition. Total optimum area allocated was 625621 ha which maximized net return to ` 1185 crores for Raichur District in the NEDZ of Karnataka. Crops cultivated under borewell condition were not profitable and sustainable because of higher cost of groundwater and also environmentally unproductive by looking into NRVT with water cost.
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