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安徽、上海农垦系统各场从1980年末开始用鼠道犁开暗沟排水治理低洼地,取得了明显的效果。到1983年底,安徽农垦系统自制鼠道犁72台,用鼠道犁开暗沟的耕地20.46万亩,占粮豆耕地面积的49％。上海农垦系统已制鼠道犁100台,用鼠道犁开暗沟的耕地2.63万亩,占三麦总面积的20％。其中东风、长江两农场为重点推广单位,共开暗沟面积2.2万亩,占全局开暗沟面积的83.7％。
Anhui, Shanghai Nongken system from the late 1980s began to use the plow ditch dig open ditch drainage low-lying land, and achieved remarkable results. By the end of 1983, Anhui Land Reclamation System made 72 sets of plows for rats and plowed 214,000 mu of plowed open ditches, accounting for 49% of the cultivated land. Shanghai Land Reclamation System has made 100 plows of rats and plows and used 26,600 mu of plowed open plowed furrows to make up 20% of the total area of Sanmai. Among them, Dongfeng and the two farms in the Yangtze River are the key promotion units, covering an area of 22,000 mu of underpasses, accounting for 83.7% of the total open gutter area.