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一、农药制剂的进展农药原药,除了熏蒸剂及水溶性农药外,一般都不宜直接施用;必须配以适当的农药助剂,经过加工工艺,制成适宜的剂型,称为农药制剂,以便增强药效、减轻药害、减少污染、降低毒性、保护天敌,从而达到高效、安全和经济的目的。在第二次世界大战前,使用的植物性、矿物性农药,即第一代农药,只有简单的粉剂、液剂。第二次世界大战后出现了有机合成农药,即滴滴涕、六六六、对硫磷等,称
First, the progress of pesticide formulations In addition to the original pesticide pesticides, in addition to fumigants and water-soluble pesticides, the general should not be directly applied; must be accompanied by appropriate pesticide additives, through the processing technology, made suitable dosage forms, known as pesticide formulations, so that Enhance efficacy, reduce phytotoxicity, reduce pollution, reduce toxicity and protect natural enemies so as to achieve high efficiency, safety and economy. Before World War II, the botanical and mineral pesticides used, that is, the first generation of pesticides, had only simple powders and liquid preparations. After the Second World War appeared organic synthetic pesticides, DDT, BHC, parathion, etc., said