陕西省农田灌溉历史悠久,现有灌溉面积1871万亩,约占全省耕地面积的1/3,生产的粮食占全省粮食总产的2/3以上。陕西省是个水资源紧缺省区,历来就很重视灌溉节水工作,50年代推行计划用水,使80％面积节水49％,研究推广小畦、沟灌技术。60年代开展园田化、平整土地及田间工程配套技术。70年代开展喷、滴、渗灌等新技术的研制、试验、推广与应用,1974～1979年投资2532.38万元,发展喷灌面积32.238万亩, Shaanxi has a long history of farmland irrigation. Its existing irrigation area is 18.71 million mu, accounting for about one-third of the total cultivated land in the province. Its production of grain accounts for more than two-thirds of the province’s total grain output. Shaanxi Province is a water-scarce province and has always attached great importance to irrigation and water conservation. In the 1950s, the planned water use was implemented to save water by 80% and 49%. 60 years to carry out Parkland, land preparation and field engineering supporting technology. In the 1970s, the development, experiment, popularization and application of new technologies such as spraying, dripping and seepage irrigation were carried out. From 1974 to 1979, the investment was 25.3238 million yuan and the sprinkler irrigation area was 32.238 million mu.