河南省新郑县地处豫西山区向豫东平原过渡地带,地形复杂,十年九旱,全县有14个乡(镇),55.4万人口,69.8万亩耕地。现有配套机井4734眼,提灌站342处,中小型水库29座,有效灌溉面积41.43万亩,其中井灌30.2万亩,占有效灌溉面积的73％。1987年以来,全县在井灌区大力推广低压管道灌溉 Xinzheng County, Henan Province, is located in the western part of the western mountainous region to the Yudong Plain transition zone, the terrain complex, nine drought ten years, the county has 14 townships (towns), 554000 population, 698000 acres of arable land. There are 4734 well supporting wells, 342 pumping stations, 29 small and medium-sized reservoirs, and an effective irrigated area of ​​414,300 mu, of which 302,000 mu are for well irrigation, accounting for 73% of the effective irrigated area. Since 1987, the county vigorously promote low-pressure pipe irrigation in well irrigation area