Optimal Crop Planning and Conjunctive Use of Water Resources in a Coastal River Basin

Laxmi Sethi, J. Suresh Kumar (), Sudhindra Panda and Bimal Mal

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2002, vol. 16, issue 2, 145-169

Abstract: Due to increasing trend of intensive rice cultivation in a coastal river basin, crop planning and groundwater management areimperative for the sustainable agriculture. For effective management, two models have been developed viz. groundwater balance model and optimum cropping and groundwater management model to determine optimum cropping pattern and groundwater allocation from private and government tubewells according to different soil types (saline and non-saline), type of agriculture(rainfed and irrigated) and seasons (monsoon and winter). A groundwater balance model has been developed considering mass balance approach. The components of the groundwater balance considered are recharge from rainfall, irrigated rice and non-rice fields, base flow from rivers and seepage flow from surface drains. In the second phase, a linear programming optimization model is developed for optimal cropping and groundwater management for maximizing the economic returns. Themodels developed were applied to a portion of coastal river basin in Orissa State, India and optimal cropping pattern forvarious scenarios of river flow and groundwater availability wasobtained. Copyright Kluwer Academic Publishers 2002

Keywords: groundwater balance; linear programming; optimum cropping; salinity and permissible mining allowance; water resources management (search for similar items in EconPapers)
Date: 2002
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DOI: 10.1023/A:1016137726131

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