陕西省渭南地区东临黄河,渭河、洛河横贯其中,由于三门峡水库的兴建,地下水位上升,形成了40多万亩宜渔的盐碱滩地。长期以来,这些滩地天旱白茫茫,雨涝水汪汪,无法利用。1982年在省、地县有关部门的调查、论证下,确立了“挖塘抬田,发展渔业 Due to the construction of the Sanmenxia Reservoir, groundwater level has risen due to the Yellow River, Weihe River and Luohe River in the east of Weinan in Shaanxi Province. As a result, more than 400,000 mu of salt-alkali land for suitable fishery have been formed. Over a long period of time, the vast expanse of floods on these beaches, rain and water floods, can not be used. In 1982 in the provinces, prefectures and counties of the relevant departments of the investigation, demonstration, established the "digging pond lift field, the development of fisheries