温县位于豫北黄河北岸,面积四百六十三平方公里,耕地三十八万亩。粮食作物平均亩产一千斤以上,是一个高产稳产县,该县很早以前就开发利用地下水,但是直到一九六五年,农用机井的打井技术普遍推广之后,才成为该县主要供水水源。全县用水量百分之八十以上取自地下 Wen County is located north of the Yellow River in North Henan, an area of ​​463 square kilometers, 380000 acres of arable land. The average yield of grain crops is over one thousand kilograms per mu. It is a high-yielding and stable-yielding county. The county had developed and utilized groundwater very early, but it was not until 1965 that the well-drilling technology of agricultural boilers was widely promoted to become the main water supply of the county Water source. Eighty percent of the county’s water use is taken from underground