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一、发展节水农业是保证我国农业可持续发展和食物安全的必然选择水资源短缺是一个全球性问题，早在1972年联合国召开的“人类环境”会议和1979年召开的“水”的大会上就向全世界发出警告“水不久将成为一项严重的社会危机，石油危机之后的下一个危机便是水”。人们越来越深刻
First, the development of water-saving agriculture is to ensure the sustainable development of agriculture and food safety of the inevitable choice Water scarcity is a global issue, as early as 1972, the United Nations held a “human environment” conference and held in 1979, “Water” Conference Warned the world that “water will soon become a serious social crisis, and the next crisis after the oil crisis will be water.” People are getting more and more profound