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滴滴涕农药是一种很重要的杀虫剂。从农药历史发展的情况来看,它是有机合成化学农药的起点,也即是第二代农药的开始,自1940年到现在——三十多年来,它在确保农业丰产及预防传染疾病等方面已起了巨大的作用,它在农药史上已写上了它光辉的一页。滴滴涕是一种广谱性的杀虫剂,用途很广,残效长,对人畜毒性不很高,因此每年用量很大。全世界用量最高时,每年达四十万吨,美国每年使用滴滴涕最高时近十万吨,我国每年用量约在二万吨左右,为国际农药用量
DDT pesticides are a very important insecticide. From the historical development of pesticides, it is the starting point of organic synthetic chemical pesticides, that is, the beginning of the second generation of pesticides, from 1940 to the present - more than three decades, it is in ensuring high agricultural yields and prevent infectious diseases Has played a huge role, it has written in the history of pesticides its a glorious page. DDT is a broad-spectrum insecticide with a wide range of uses, long residual effects and low toxicity to humans and animals. Therefore, DDT is widely used in large quantities every year. When the dosage is highest in the world, it reaches 400,000 tons per year. In the United States, the annual use of DDT is nearly 100,000 tons. The annual consumption in China is about 20,000 tons,