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近几年来,京郊广大干部和社员在毛主席革命路线指引下,深入开展“农业学大寨”运动,实行科学种田,积极试验和推广磷酸二氢钾肥料,1974年京郊有20万亩小麦施用了磷酸二氢钾,增产显著;1975年小麦喷施磷酸二氢钾的面积达140万亩,占小麦总播种面积的54%,对小麦增产起了一定作用。据市农业生产资料公司1974年在京郊8个区
In recent years, under the guidance of Chairman Mao’s revolutionary line, a large number of cadres and members in the suburb have conducted in-depth “farming studies in Dazhai” campaign, practiced scientific farming and actively tested and promoted potassium dihydrogen phosphate fertilizer. In 1974, there were 20 The application of potassium dihydrogen phosphate per mu of wheat increased significantly. In 1975, the area of potassium dihydrogen phosphate sprayed by wheat reached 140 million mu, accounting for 54% of the total sown area of wheat, which played a role in increasing wheat yield. According to the city of agricultural means of production in 1974 in the suburbs of 8 districts