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洋芋是当地群众喜食的粮食作物,玉米是高产粮食作物,洋芋玉米带田的推广,为改变我县秋粮低产面貌,开闯了一条新路。一、洋芋、玉米带田的增产效果。民勤县是1974年开始推广带田的,当时主要是小麦玉米带田,1977年技术人员首先在重兴公社上案大队农科队,设计试验洋芋玉米带田,面积2.4亩,带幅7.2尺,两垄双行洋芋,两行玉米,平均亩产819斤,比农科队所在的生产队的粮食平均亩产增产120％。1978年又试种2.91亩,并将7.2尺带缩为6.4尺带,洋芋玉米株距
Potato is the local people eat food crops, corn is a high-yielding food crops, poplar corn belt field promotion, to change the county low-yield autumn grain appearance, opened up a new path. First, potato, corn field yield increase. Minqin County was started in 1974 with the promotion of the field, which was mainly wheat and corn fields. In 1977, technicians first re-established the commune brigade agricultural team, designed and tested potato with corn fields, covering an area of 2.4 acres with an amplitude of 7.2 Two rows of potato, two rows of corn, two lines of corn, an average of 819 kg per mu, the production team than the agricultural team where the average yield per mu 120%. In 1978 and planted 2.91 acres, and will be 7.2 feet shrank to 6.4 feet with potato strains of corn