病虫害防治是农作物优质高产的重要环节,合理使用化学农药是达到高效、安全、经济目的的主要手段。但是,在防治工作中许多农民往往忽视科学用药,存在着本应克服的多个误区,以致带来药效不稳,药害发生和成本上升等弊端,应该引起重视。使用农药其防治上的误区主要表现在以下几个方面:不能对症用药农作物病虫害种类多,防治对象不同,所选的化学农药也截然不同,同一种农药也有多种剂型,不同的剂型,在使用方法和效果方面也有 Pest control is an important part of high quality and high yield of crops. The rational use of chemical pesticides is the main means to achieve high efficiency, safety and economic purposes. However, many peasants often neglect scientific medication in prevention and control work, and there are many mistaken ideas that should be overcome. As a result, many problems such as instability, injury and cost increase are deserved to be taken seriously. The use of pesticides on the prevention and treatment of errors mainly in the following areas: can not be symptomatic use of crops and pests and diseases of many different objects of prevention and control of the selected chemical pesticides are also very different with the same pesticide also has a variety of formulations, different dosage forms, the use of There are ways and effects