Water-Food-Energy: Nexus and Non-Nexus Approaches for Optimal Cropping Pattern
2017
EL-Gafy, Inas | Grigg, Neil | Waskom, Reagan
Given the water-food-energy interconnections, integrated planning, policy and management using the nexus approach are required for the food production system. In this study the nexus and non-nexus approaches are compared to propose an optimal cropping patternthat considers water, energy and economic parameters. Linear optimization was applied to compare i) the nexus approach utilizing an objective function to maximize a water-food-energy nexus index and 2) the non-nexus approach utilizing three objective functions for water use, energy use, and agricultural net return. The study showed that the nexus approach is the best. Applying it through a water-food-energy nexus index provides a holistic method for identifying an optimal cropping pattern that reduces water and energy consumption and increases the agricultural net return.
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