Abstract
ABSTRACT The availability of water in space and time in the command area may be imprecise and unpredictable due to uncertainty in the inflows into the reservoir due to rainfall. The impreciseness and uncertainty can be tackled effectively with the fuzzy logics. In the present study, the multi-objective fuzzy linear programming (MOFLP) has been formulated for crop planning in the command area of Kakrapar right bank canal, under Ukai Irrigation Project, Gujarat, India. The objective of the study is to develop a Linear programming irrigation planning model and apply the same in MOFLP. The linear programming models have been developed for two objectives, net benefits and crop production with the set of constraints. The objectives have been formulated for optimal allocation of areas of different crops in the command area. The linear membership functions have been developed from the LP results and objectives were fuzzified over the tolerance range. The results of LP and MOFLP have been compared. Considering both the objectives together, a compromise solution has been arrived with a satisfaction level, λ=0.501.
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