Ecology, Environment and Conservation Paper

Vol. 20 Issue 01, 2014; Page No.(235-239)

APPLICATION OF CORRECTED POSITIVE MATHEMATICAL PROGRAMMING FOR DETERMINING CULTURE OPTIMUM PATTERN (CASE STUDY: MASHHAD PLAIN SUBSURFACE WATER CONSUMERS, IRAN)

Mahmoud Sabouhi, Fatemeh Rastegaripour, Ahmad Ali Keykha, Saeid Reza Khoda Shenas and Mahmoud Okati

Abstract

With due attention to demand increase of agriculture crops, efficient use from necessary rare resources is very important. So,evaluating culture optimum pattern in order to optimizing water resources consumption in agriculture part is necessary. In this study with due attention to water resources limitation in Mashhad plain was evaluated culture pattern determination in region using positive mathematical programming. Data were collected via complementing questionnaires by farmers consumed subsurface waterin Mashhad plain for the year of 2012-13. In this study we considered three types of irrigation such as surface irrigation, drip irrigation and subsurface irrigation for crops of wheat, barley, tomato, onion and sugar beet. Comparison of 3 groups shows that in large farms,drip irrigation acceptance is more. According to paper, in condition 1 scenario 1 the most planting surface has allocated to crops of wheat, barley and tomato. In scenario 2 with introducing new water resources and wastewater would decrease consumption of subsurface water.

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