使用农药的不合理,有时会造成作物受害,导致焦叶落叶、落花落果、生长发育受阻、甚至植株死亡的严重恶果。防止农作物产生药害的办法,一是要根据农药的性质正确选择;二要严格按照规定的浓度使用;三要注意用药作物的种类 Use of pesticides unreasonable, sometimes causing crop damage, leading to coke leaf deciduous, growth and development blocked, and even the serious consequences of plant death. First, pesticide should be based on the nature of the right choice; Second, we must strictly in accordance with the provisions of the concentration of use; Third, pay attention to the types of crops used