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民权县老颜集乡颜北行政村农民刘德胜,承包8亩耕地。由于他科学植棉,自1986年以来,在5亩责任田内实行麦棉套种,连续夺取麦棉双丰收,人均收入超千元。1990年采取良种良法相结合,在病虫害发生严重的情况下,经过精心管理,小麦单产仍达310公斤;采用省农科院培育的棉花优良品种豫棉4号,运用综合栽培措施,亩产量
Civil Rights County Lao Yan Jixiang Yan North administrative village farmer Liu Desheng, contract 8 acres of arable land. Because of his scientific cotton-growing, since 1986, wheat-cotton intercropping has been implemented in a 5-acre land of responsibility and a continuous bumper harvest of wheat and cotton has resulted in a per capita income of over a thousand yuan. In 1990, it adopted the combination of good seeds and good laws, and under the circumstance of serious pests and diseases, after careful management, the yield of wheat still reached 310 kg. Using the cotton variety Yumian 4 cultivated by the Provincial Academy of Agricultural Sciences, comprehensive cultivation measures were used to increase the yield per mu