1 概况 国营淮海农场地处黄海之滨,苏北灌溉总渠尾闾,是江苏农垦大型农业企业,国家商品粮和良种生产基地之一,土地总面积1150ha,耕地5000ha,地势低洼,易旱易涝。自70年代中期以来,根据场区土地分散与邻居县所辖有关乡村土地插花的特点,并结合水系分布,相继建立了8个圩区,实施匡圩封闭排水。80年代后期,国家逐步实施南水北调计划,淮水和江长的水资源大量调 1 Overview The state-run Huaihai Farm is located on the coast of the Yellow Sea and at the tail of the Northern Irrigation Grand Canal. It is one of the large-scale agricultural enterprises in Jiangsu Province and one of the national commodity grain and seed production bases. The total land area is 1150ha and cultivated land is 5000ha, which is low-lying and prone to drought . Since the mid-1970s, according to the characteristics of the scattered land in the area and the flower arrangement of the rural land under the jurisdiction of the neighboring county, eight polders have been set up one after another in the light of the distribution of the river system to implement the closed drainage of the Kuang Wei. In the late 1980s, the state gradually implemented the South-North Water Diversion Project and a large number of water resources in Huai River and Changjiang River