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农药按其毒性对人类的危害程度分为禁止使用,限制使用和正常使用三类。1、禁止使用凡是农药品种及其代谢物残留使人致畸、致癌、致突变或重大危害的均列入禁止使用范围。品种包括:杀虫脒、敌枯双、二溴乙烷、二溴氯丙烷、三环锡、培福朗、氟乙酰脘、汞制剂、六六六和滴滴涕等。2、限制使用可分如下几种情况:限制在一定范围内使用高毒农药不准用于蔬菜、茶叶、果树、中药材等作物上。三氯杀螨醇是采用滴滴涕为原料生产的,产品中滴滴涕含量较重,对茶叶污染严重。家蚕对杀虫脒十分敏感,因此,在养蚕区禁止直接
Pesticide toxicity according to their degree of harm to human beings are divided into three categories: banned use, restricted use and normal use. 1, Prohibit the use of any pesticide species and their metabolites residues teratogenic, carcinogenic, mutagenic or major hazards are included in the scope of the ban. Varieties include: chlordimeform, dwarf double, dibromoethane, dibromochloropropane, tricyclidine, Peifu Lang, fluoride, acetyl fluoride, mercury preparations, BHC and DDT and so on. 2, restrictions on the use of the following situations can be divided into: Restrictions within a certain range of use of highly toxic pesticides are not allowed on vegetables, tea, fruit trees, Chinese herbal medicines and other crops. Diclofenac is produced using DDT as a raw material, with a high content of DDT in the product and serious contamination of the tea. Silkworms are very sensitive to chlordimeform, therefore, prohibit direct sericulture