大力推广低压管道输水灌溉技术是节约用水,解决水资源紧缺的一条途径,也是老灌区改造的重要内容。国务院领导对此项技术十分重视,实际应用中群众亦乐于接受。近几年在华北各省发展管道灌溉面积数千万亩。但此项技术在我国起步较晚,经验不足。本文分别介绍美国、苏联、日本、罗马尼亚、匈牙利等国 Vigorously promote low-pressure pipeline irrigation technology is to save water, to solve a shortage of water resources, but also an important part of the transformation of old irrigation areas. The leadership of the State Council attaches great importance to this technology and the masses are willing to accept it in practice. In recent years, various provinces in northern China have developed tens of millions of mu of irrigated area. However, this technology started late in our country, lack of experience. This article introduces the United States, the Soviet Union, Japan, Romania, Hungary and other countries