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有机氯杀虫剂六六六、DDT具有成本低杀虫广泛等优点。一度成为我国防治农作物害虫的有力支柱。但因其性质稳定、残留期长、施用易造成环境污染,并能在人体内积累,引起慢性中毒。所以,我国于1983年停止使用六六六、DDT有机氯农药。 六六六、DDT在环境中的残留是人们普遍关注和研究的问题。蔬菜如同粮食和水一样,是人们日常生活必不可少的食品,对于六六六和DDT停止使用后在蔬菜中的残留量以为世人关注。基于此,我们选择了此课题,承担了对酒仙桥地区蔬菜中有机氯农药残留量进行调查研究。
Organic chlorine pesticides BHC, DDT has the advantages of low cost insecticide widely. Once became a powerful pillar of prevention and control of crop pests in our country. However, due to its stable nature, long residual period, the use of easily lead to environmental pollution, and can accumulate in the body, causing chronic poisoning. Therefore, China stopped using BHC and DDT organochlorine pesticides in 1983. Sixty-six six, DDT residues in the environment is the issue of widespread concern and research. Vegetables, like food and water, are indispensable foods for people’s daily life. They are of great concern to the people in the world after the stoppage of the BHC and DDT in vegetables. Based on this, we selected this topic and assumed the investigation of organochlorine pesticide residues in vegetables in Jiuxianqiao area.