Research on Water-saving Effect of Crop Agricultural Water Price Based on Resource and Environment Water Price in Tarim River Basin

According to the models of water resource fee and environmental water price and its relative materials,on the basis of the cost price of water supply,firstly,this paper further calculates the future crop Agricultural water price based on water resource fee and environmental water price.Then according to the experimented data in Yerqing irrigation district and the productive function of water use of the different crops,this paper establishes the demand effect model of Agricultural Water Price and the elastically parameter of demand of water price and further use the model to analyze the water-saving effect of the future crop agricultural water price in Tarim River basin.The results indicate that the water-saving effect of the adjustment of future crop Agricultural water is very significant,but the function of the environmental water price mainly focuses on the realization of the economical compensation of the ecological water use in Tarim river basin.Secondly,the water-saving effect of the future crop Agricultural water price of different crop and basin is different,so different crop Agricultural water price policy can be used in Tarim river basin.Thirdly,the water price elastically parameter can be changed from no-elasticity to rich elasticity.Limited by the basic crop irrigation quota,high-efficiency water-saving technology cannot ensure the realization of the water-saving effect of water price.This is a signal to determine if the adjustment of crop Agricultural water price can be executive in the future in the Tarim river basin.It is also relative to the food safety and the water price carrying capacity of the farmers.So it is the key research contents for the future adjustment of agricultural water price.