The earliest used organochlorine pesticides for performance were the first synthetic insecticides. It has moderate acute toxicity to higher animals, can stay in nature and organisms for a long period of time, and is accumulated through the food chain. It accumulates in animals, especially in adipose tissues. It may be transmitted from the embryo to the fetus, poisoning the baby through breast milk, and affecting human health. And the ecological environment has an adverse effect.
Applications have been widely used throughout the world and have played a major role in the development of agricultural forestry and safeguarding human health. Before the 1970s, it was mainly used to control cotton pests, forest pests, and sanitary pests. It has little effect on the killing of cockroaches, cockroaches, and fleas. Due to long-term heavy use, most pests are resistant to them. At the same time, due to its high stability, it can be left in the environment for a long time, causing environmental pollution and foods to cause cumulative toxicity. Many countries restricted or prohibited the use in the late 1960s. In 1983, China announced that it would stop production and use.
Applications have been widely used throughout the world and have played a major role in the development of agricultural forestry and safeguarding human health. Before the 1970s, it was mainly used to control cotton pests, forest pests, and sanitary pests. It has little effect on the killing of cockroaches, cockroaches, and fleas. Due to long-term heavy use, most pests are resistant to them. At the same time, due to its high stability, it can be left in the environment for a long time, causing environmental pollution and foods to cause cumulative toxicity. Many countries restricted or prohibited the use in the late 1960s. In 1983, China announced that it would stop production and use.
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