Study of Effect of Demand Side of Water Market on Optimal crop pattern, Farmer's income and sustainable Use of Water Resources (Case Study: Mashhad-Chenaran)

Document Type : Original Article

Authors

1 PhD Student, Department of Water Engineering, Agriculture College, Ferdowsi University of Mashhad., Mashhad., Iran

2 Professor, Department of Water Engineering, Agriculture College, Ferdowsi University of Mashhad., Mashhad., Iran

3 Professor, Department of Agricultural Economics, Agriculture College, Ferdowsi University of Mashhad., Mashhad., Iran

4 Associate Professor, Department of Water Engineering, Agriculture College, Ferdowsi University of Mashhad., Mashhad., Iran

5 Associate Professor, Department of Agronomy, Agriculture College, Ferdowsi University of Mashhad., Mashhad., Iran

Abstract

Demand management as a way to control consumption and manage water resource is concerned. Farm data of Mashhad- Chenaran plain through questionnaires and interviews was collected from 130  representatives in 2013. All of them divided to two group of water consumption, mean’s that low consumption (<10000 m3/ha) and high consumption(10000 m3/ha ≤). Then mathematical programming model with due attention to four scenarios of water deficit (10, 20, 30 and 40%) was run for each group. Also sensitivity analysis was applied to study effect of water price on demand of water. Result showed while this strategy of water deficit make  99 and 33.6 million cubic meters of excess water in the two groups, the income of farmers increases 15.2 and 6.2 % in low and high consumption group respectively. Result of sensitivity analysis of water price showed that increase of water price does not cause significant changes in water use at low consumption group, but is different in high consumption group. Therefore, non pricing policy for example education, promotion and design of crop pattern is recommendable for low consumption group. For high consumption group, if increase of water price to extent water trading and to use water resources sustainability, water pricing policy is suggested. As well as paying subsidies to farmers may encourage them to non exploitation of surplus water.

Keywords

References

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Iranian Journal of Irrigation & Drainage
Volume 9, Issue 5 - Serial Number 53
November and December 2015
Pages 820-829

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