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在“农业学大寨”运动中,泾阳县泾干公社先锋大队从1970年开始,推广间作套种,1974年棉麦套种344亩,小麦总产比1970年增长69.6％,平均亩产702斤,比1970年增长70％。1975年棉麦套种560亩,小麦总产比1970、74年分别增长82.8和7.3％;平均亩产753斤,比1970、74年分别增长82.3和7.2％。1976年棉麦套种发展到830亩,产小麦16.7万斤,占小麦总产的14.5％。棉麦套种不仅增加了小麦总产,也显著提高
In the course of “Agriculture Studies in Dazhai”, the Pioneer Brigade of Jingyang County Jinggan Commune began to promote intercropping in 1970 and 344 acres of cotton and wheat intercropping in 1974. The total output of wheat increased by 69.6% over 1970, with an average yield of 702 kg per mu, 70% more than in 1970. The total output of wheat and wheat in 1975 was 560 mu. The total output of wheat increased by 82.8 and 7.3% over 1970 and 74 respectively. The average yield per mu was 753 kg, up by 82.3 and 7.2% over 1970 and 74 respectively. Cotton and wheat intercropping in 1976 developed to 830 mu, producing 167,000 kg of wheat and accounting for 14.5% of the total wheat output. Cottonseed intercropping not only increased total wheat production, but also significantly increased