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广大群众在长期与病虫害作斗争中,创造了多种多样的防治方法,如防治稻螟,很多年前就已应用点灯诱蛾、采除螟卵、处理稻根、冬耕灌水和保护寄生蜂等一系列有效办法。10年前,辽宁省海城县耿庄公社老农民李万春发现高粱与大豆间作,不仅单产提高,且天敌数量增多,高粱蚜虫随之减少,指出采用农业措施防治高粱蚜的可能性。在
The masses have created a wide range of methods of prevention and control in the fight against pests and diseases. For example, the control of rice stem borers has been applied many years ago to lure moths, to remove borers, to deal with rice roots, to winter irrigation and to parasitic bees A series of effective measures. Ten years ago, Li Wanchun, an old farmer from Gengzhuang commune in Haicheng County, Liaoning Province, discovered that intercropping of sorghum and soybean increased the yield of natural enemies and increased the numbers of natural enemies. Therefore, the possibility of using agricultural measures to control sorghum aphid was pointed out. in