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六六六、滴滴涕是我国使用多年的杀虫剂,为什么以后要限制和停止使用?这是因为这两种杀虫剂在农业上使用后,往往在农作物或土壤中能较长时间保持不分解,这就给农产品和环境造成污染。六十年代以来,欧美国家和日本从人体、牛奶、禽蛋上发现有高含量的六六六和滴滴涕的残留后,引起了世界各国的重视。我国由于30多年来长期使用这类农药,不仅农、林、畜产品受到严重的残留污染,而且土壤、水中都有较高的残留。由于六六六或滴滴
666, DDT is a pesticide used for many years in our country. Why is it necessary to restrict and stop using it later? This is because these two kinds of pesticides often remain undeveloped in crops or soil after being used in agriculture This will pollute agricultural products and the environment. Since the 1960s, Europe and the United States and Japan have found the high content of residues of BHC and DDT from human body, milk and eggs, arousing the attention of all countries in the world. As long-term use of such pesticides in our country for more than 30 years, not only the residues of agricultural, forestry and animal products are seriously polluted, but also the higher residues in soil and water. Thanks to BHC or drops