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对国际及中国农业节水技术发展现状进行了分析,研究了中国农业用水总量和单位灌溉水量演变历程,探讨了中国农业用水对粮食生产制约及中国农业节水技术对中国粮食安全的影响,提出了中国农业节水技术发展趋势。
The status quo of international and China agricultural water-saving technologies was analyzed. The evolution of total agricultural water use and unit irrigation water in China was studied. The impacts of agricultural water use on food production in China and the impact of China’s agricultural water-saving technologies on food security in China were discussed. Put forward the development trend of China’s agricultural water-saving technology.