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喷灌是近代发展起来的灌水新技术,同传统的地面灌水方法比较,它不仅具有省水、增产、提高土地利用率和减轻劳动强度、节约劳力等优点,同时它还能适应不同地形和土质的要求。我国从50年代开始进行喷灌试点,78年列为国家重点推广新技术项目,80年全国喷灌面积曾达到2000万亩,但由于设备材料质量差,工程建设草率从事,管理工作跟不上,特别是近年来由于农
Sprinkler irrigation is a newly developed irrigation technology developed in recent years. Compared with the traditional ground irrigation method, it not only has the advantages of saving water, increasing production, improving land utilization, reducing labor intensity and saving labor, at the same time it can adapt to different topography and soil Claim. Since the 1950s, China started to carry out sprinkler irrigation pilot projects. In 1978, it was listed as a national key promotion new technology project. In 1980, the area of sprinkler irrigation in China reached 20 million mu. However, due to the poor quality of equipment and materials, In recent years due to farming