Irrigation management of saffron by using the price and quantity policies of water (case study: Naishabur basin)
2017
somayeh shirzadi laskookalayeh | mahmoud sabuhi sabuni | Ahmad Ali Keikha | Kamran Davari
The reduction in water resources, increased occurrence of droughts and heavy damages to the country make the more efficient use of this resource very important. The aim of this study is to evaluate the effects of various policies of reduction of water consumption and the effect of any increase in the price of each cubic meter of water on saffron cultivation pattern. The data for the research was obtained by interviews done with 100 farmers in agricultural areas of the Rokh and Naishabur plain in 2012. The sample farms were selected using random sampling, the study was conducted and the models were calculated for both areas. The results of positive mathematical programming model showed that by 20 percent savings in water consumption in the Rokh Plain and 30% in the Naishabur plain, we can achieve cultivating a pattern similar to those which have achieved the previous values at the farm level for saffron. Also, by reducing the amount of water, the economic value of water increased. Doubling the price per cubic meter of water used in crop cultivation and water consumption does not lead to lower profit. Therefore, it is recommended to save water resources. In addition, precise time detection irrigation and the right to saffron can have negative effects when excessive irrigation is done and reduce the performance of this product. Effective and optimal water management policies to reduce the amount of available water is also planned to be presented to the policy makers.
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