我们大队有棉田700亩,过去由于只注重药剂防蚜,用工多,投资大,成本高,效果低,产量不高。为了解决这个问题,我们根据“予防为主,综合防治”的方针,学习外地引瓢治蚜的经验,于1977年搞了300亩棉麦套种,实行以瓢治蚜,控制了蚜害,亩产皮棉70斤,比清种棉田增产20％。此外,每亩还收获100来斤小麦。棉麦套种的棉花 Our brigade has 700 acres of cotton fields, in the past due to anti-aphids drug focus only, more labor, investment, high cost, low effect, the yield is not high. In order to solve this problem, according to the guideline of “Preventive Prevention and Comprehensive Prevention and Control”, we learned the experience of introducing aphids in other places. In 1977, we implemented 300 acres of cotton and wheat intercrops and implemented the method of controlling the aphids and controlling the aphids, mu Lint-producing 70 kg, 20% more cotton than cotton production. In addition, 100 acres of wheat was harvested per mu. Cotton interplanting cotton