用农药防治果树病虫害应注意的问题化学防治是果树病虫害综合治理的重要方面。应用时应注意以下几点：１、必须对人畜安全化学农药，特别是剧毒药，在使用时，操作者必须穿戴防毒衣具，以防中毒。为防止农药残毒留在果实上，各国都规定了果树禁用农药，如我国规定３９１１... Pesticides should be noted that the prevention and control of pests and diseases of pests Chemical control is an important aspect of the comprehensive management of pests and diseases of fruit trees. Applications should pay attention to the following points: 1, must be safe for humans and animals Chemical pesticides, especially highly toxic drugs, in use, the operator must wear protective clothing to prevent poisoning. In order to prevent residues of pesticide residues in the fruit, all countries have provided banned pesticide fruit trees, such as China’s 3911 ...