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Title

CALCULATING AGRICULTURAL WATER SUSTAINABILITY INDEXES BY FRACTIONAL PROGRAMMING MODEL (THE CASE STUDY IN MARVDASHT)

Writers

MUSAVI S.N. | GHARGHANI F.

Pages

 Start Page 143 | End Page 160

Abstract

 Sustainable use of limited water sources has great importance in agriculture sector as the largest water consumer (90-95 percent). According to economic theories, we can use stability as an index in agricultural systems management by quantifying agricultural water stability. Multipurpose non-linear FRACTIONAL PROGRAMMING model is applied method of studying sustainability of agricultural systems that evaluates and compares different indexes imposing equal weights. Because of the importance of the agricultural consuming water rate, stability indexes of ratio of gross income to water usage (3.06, 0.530) and ratio of employment to water usage (0.265, 0.072) were calculated in two scenarios in agricultural year 2006-07 in Marvdasht town. Crop water consuming may be reduced through new irrigation technology and increasing irrigation efficiency that in turn increase these indexes and indicates movement in agricultural water stability.

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