目前麦田治虫春季用药比较单调，常常是“治虫治病不用问，氧化乐果粉锈宁”。但实际上治虫用药比较复杂，不但要考虑红蜘蛛以及昆虫类害虫之间的差别，选择对路农药提高防效外，尤其需要考虑选用既能有效杀灭害虫，又能有效保护天敌益虫的“灭害保益”农药。因为麦田是重... At present, the wheat field pest insects are more monotonous in spring, and often it is “do not ask pest control, and omethoate Ning.” However, in fact, the administration of pest control is complicated, not only to consider the difference between red spiders and insect pests, choose to improve the pest control effect, in particular, need to consider the selection of both effectively kill pests, but also effective protection of natural enemies insects “ Exterminate the benefit of ”pesticides. Because the wheat field is heavy ...