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通过对我国水资源现状和大型灌区目前存在的主要问题的分析 ,阐述了大型灌区节水改造的必要性 ,提出了大型灌区节水改造应重点抓住渠系节水、田间节水、管理节水三个主要环节和农业水价体系改革一个关键
Through the analysis of the current situation of water resources in our country and the main problems existing in large-scale irrigation areas, the necessity of water-saving transformation in large-scale irrigation districts is expounded. It is suggested that water-saving transformation of large-scale irrigation districts should focus on water-saving of canal systems, Three key aspects of water and agricultural water pricing system reform a key