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我乡地处滦河下游的滦河冲积平原上,土质比较肥沃。过去,由于缺乏良种,或虽有良种但良法不配套,马铃薯亩产只有800公斤左右。1993年至1995年进行了马铃薯玉米间作套种栽培试验示范,马铃薯平均亩产2750公斤,增产243％,高产地块亩产4000公斤;玉米平均亩产625公斤。马铃薯按5:1折粮,折合550公斤,两茬合计1175公斤,合计收入3137元,亩纯收入2841元。
My village is located in Luanhe alluvial plain on the lower reaches of the Luan River, fertile soil. In the past, due to the lack of seed, or although there are varieties of good but not supporting, the potato yield only 800 kilograms. Between 1993 and 1995, intercropping and intercropping experiments were conducted on potatoes and maize. The average yield of potato was 2750 kg, an increase of 243% and the yield of high-yield plots was 4,000 kg. The average yield of corn was 625 kg. Potato by 5: 1 fold grain, equivalent to 550 kg, two stubble total 1175 kilograms, the total income of 3137 yuan, 2841 yuan of pure net income.