Research On Sustainable Agricultural Development Of Zhangye Under Water Resource Restriction

In 1985, the Educational Method of Sustainable Agricultural Research was adopted in California State Assembly, U.S.A. The term "sustainable agriculture" has been promoted and involved great concern and scholars from different countries have made research into it. That is also the case in China. As a developing country based on agriculture, China has to solve resource shortage, ecological friability as well as the limitation of less developed economy, overpopulation, cheap labor and lower productivity, which determines that we have to carry on sustainable agricultural development.Due to the differences of natural resources, culture, and geography location, different districts have distinctive features and different development levels. Zhangye lies in the middle of Hexi Corridor, which is abundant in water, land, sunshine, heat, plants and animal resources, explicit temperature differences. Thanks to the adjustment of industrial structure and increasing modernization, recently sustainable agricultural development has been greatly improved in accordance with the ecology development. However; a series of limitation exists undoubtedly, especially in ecological environment destruction and water shortage.On the basis of a great deal of statistics and surveys, the author analyzes that the sustainable agricultural development in Zhangye is confined by the shortage of water resources.First, the thesis analyzes the present situation, pointing out that the water resource poses the vital restriction for the sustainable agricultural development in Zhangye. It presents the unpromising situation of water resource, the potential threat of water exploitation and the contradiction in Heihe distributaries. Second, the author holds that the economical uses of water functions to some extent, while many challenges still exist. Finally, the author believes that the only way to cope with this tough issue is to constantly adjust the planting structure and contribute to increasing the efficiency ofwater exploitation and irrigation.