农药药害是指因农药使用不当而引起的作物体内生理变化异常、生长停滞、植株变态甚至死亡的一系列症状。介绍了农药药害的发生机理、症状、鉴别方法，分析了农药药害的发生原因，最后提出了农药药害的预防和补救措施，以期为农业生产中农药的合理使用提供参考。%Pesticide injury refers to a series of symptoms caused by improper application of pesticides, such as abnor-mal physiological changes of crops, sus-pended growth, plant metamorphosis and death. Occurrence mechanism, symp-toms, identification of pesticide injury were introduced, occurrence reasons of pesticide injury analyzed, preventive measures and remedies proposed to offer references for the proper application of pesticide in agricultural production.
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