农作物药害是指因使用农药不当而引起作物反应出各种病态,包括作物体内生理变化异常、生长停滞、植株变态、甚至死亡等一系列症状。农药药害发生情况的屡见不鲜,从而也为农民带来一些不必要的损失。因此,掌握农药药害的类型及症状,及时采取防治措施是安全使用农药和包产增收不可忽视的问题。 Crop phytotoxicity refers to a series of symptoms, such as abnormal physiological changes in crops, stagnant growth, plant abnormalities, and even death, caused by crop reactions caused by improper use of pesticides. The occurrence of pesticide injury is not uncommon, which also brings some unnecessary losses to farmers. Therefore, grasping the types and symptoms of pesticide injury and taking preventive and control measures in time is a problem that can not be neglected because of the safe use of pesticides and the inclusion of production.