惠北试区位于豫东平原,开封县东部,包括兴隆、八里湾两个乡大部和土山岗乡部分土地。面积74.17km~2,耕地0.56万公顷(8.4万亩),是60年代老试区的一部分。由于地下水的动态变化直接影响着农业生产的发展,因此也就成了检验试区治理效果的重要指标。1试区治理情况1979年对原老试区中的部分面积约1万公顷(15万亩)进行了以面上排水工程配套和机井建设 Huibei test area is located in the plain of eastern Henan Province, east of Kaifeng County, including Xinglong, Baliu two townships and most part of Tu Shan Gang Township land. An area of ​​74.17km ~ 2, 05600 hectares of arable land (8.4 million mu), is part of the 60’s old pilot area. As the dynamic changes of groundwater directly affect the development of agricultural production, it has become an important indicator of the test area of ​​governance. A pilot area management In 1979, part of the original pilot area of ​​about 10,000 hectares (15 acres) carried out on the surface drainage works and construction of wells