Optimizing the Use of Land and Water Resources for Maximizing Farm Income by Mitigating the Hydrological Imbalances
Publication: Journal of Hydrologic Engineering
Volume 19, Issue 7
Abstract
This study presents the formulation and application of a linear programming model for the maximization of net annual farm income from an area located in the Rohtak district of Haryana, India. A groundwater balance constraint was imposed on the model, which mitigates the waterlogging problem of the area, while making an optimal allocation of land and water resources. The model results showed a reduction in rice, gram, barley, and mustard areas against an increase in wheat, cotton, and sugarcane under optimal conditions. Under the optimal land and water allocation, groundwater use is increased while canal allocation is decreased. The net annual farm income from the command area has increased by about 26% under optimal allocations. The sensitivity analysis of the model parameters showed that a better price of crops is the most sensitive parameter, followed by the crop area and cost of cultivation. State agencies and farmers involved in the actual agricultural production process are advised to practice conjunctive use of canal water and groundwater for maximizing their farm income. This strategy would also mitigate hydrological imbalances in the groundwater system without installing expensive drainage systems, which is not feasible because the groundwater quality is poor and drainage water may pose a serious disposal problem.
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Acknowledgments
The author conveys his sincere thanks to the Groundwater Cell, Department of Agriculture, Irrigation Department Rohtak; the Department of Economic and Statistical Analysis, Haryana; and the India Meteorological Department for providing necessary data for this study. Farmers of the study area are appreciated for sharing their practical experiences and difficulties in adopting different on-farm strategies.
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Published In
Journal of Hydrologic Engineering
Volume 19 • Issue 7 • July 2014
Pages: 1447 - 1451
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Jul 9, 2013
Accepted: Oct 16, 2013
Published online: Jun 16, 2014
Published in print: Jul 1, 2014
Discussion open until: Nov 16, 2014
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