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果园经常发生病虫害,对化学农药的使用不可避免。现通过调整用药时间、改进用药方法、施用选择性农药、农药交替使用与混用及确定合理的防治指标,减少农药的使用,从而降低果品农药的残留量,达到绿色、安全使用化学农药。
Pests often occur in orchards, the use of chemical pesticides is inevitable. Now we can reduce the residues of fruit pesticides by adjusting the time of drug use, improving the method of drug use, using and selectively using selective pesticides and pesticides, and determining reasonable control indexes so as to reduce the residues of fruit pesticides and achieve the green and safe use of chemical pesticides.