为降低综合成本 ,提高经济效益 ,棉地大都套种了土豆、西瓜、辣椒、豆角等菜类作物。但由于在防治棉花病虫害时用常规喷雾法打农药 ,造成了对瓜菜的严重污染。而前期采用“棉花苗期药物涂茎治虫法”,不仅可以起到良好的防治效果 ,而且能有效地防止农药污染瓜菜和环境 ,还可大大 In order to reduce overall costs and increase economic benefits, most cotton-growing crops are potatoes, watermelons, peppers and beans. However, due to the prevention and control of cotton pests and diseases when using conventional spray pesticides, resulting in serious pollution of vegetables. The pre-use of “cotton seedling drug stems pest control law,” not only can play a good control effect, but can effectively prevent pesticides and vegetables pollution of the environment, but also greatly