我国大型灌区节水改造分析研究

Study on the Necessity of Water Saving Reconstruction for Large Irrigation Area in China

在对我国大型灌区充分调研的基础上,阐述了大型灌区在我国国民经济发展中的地位和作用。在分析我国大型灌区目前普遍存在灌溉设施老化、灌溉水利用效率低等问题的同时,指出对我国大型灌区进行节水改造是十分必要和迫切的。

This paper illustrates the role of large irrigation area in national economical development in china based on sufficiently investigation on Chinese large irrigation area. At the same time, the author points out the problems such as old irrigation system, low efficiency of irrigated water occurring in large irrigation area in china. These show that it＇s necessary and urgent to reconstruct the large irrigation area in china.