Determination Optimal Crop Pattern of Sirjan County Central Part Based on Stability of Water Resources and Environmental

Subject Areas : Agricultural Economics Research

عباس Mirzaei ¹ (دانشجوی دکتری اقتصاد کشاورزی، بخش اقتصاد کشاورزی، دانشگاه شیراز.)
gh . Layani ² (null)
حسن Azarm ³ (null)
سیامک Jamshidi ⁴ (دانشجوی کارشناسی ارشد اقتصاد کشاورزی، بخش اقتصاد کشاورزی، دانشگاه شیراز.)

Received: 2017-02-27 Accepted : 2018-02-12 Published : 2018-01-21

Keywords: TOPSIS Method, Optimal Crop Pattern, stability, Augmented E-Constraint, Multi-objective Model,

Abstract :

Today, water resources and environmental sustainability in agriculture is extremely important. Hence, determining the profitable cultivation with less water and fertilizer will cause the sustainable use of resources. The aim of this study was to determine the optimal cropping patterns, crops in central county of Sirjan considering economic and environmental objectives separately and simultaneously is the single-objective problems, a simple linear model for the problem of multi-objective planning model programs Augmented e-constraint multi-objective linear programming method and the TOPSIS method was solved. Required data through a questionnaire survey of 190 farmers in the region for the period 2013 to simple random sampling was obtained. Selection of optimal patterns in different weight scenarios showed that Alfalfa and barley are cultivated for farms smaller than 5ha under optimal patterns with the objectives of minimizing weight of water and fertilizer Cultivation than the current model. The optimal patterns with target weight goal of maximizing gross margin and same weight, the product Bulb will replace the product. Also, results showed that for farms larger than 5ha to meet targets simultaneously, less alfalfa and barley and onions are cultivated more than the current model. In the end, it was found that larger farms than smaller farms have been better in terms of profitability, but not be efficient in terms of water consumption.

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