2.6 chemical key ring pests and animals, pesticides and animals (Pesticides) which is widely used in agriculture, including chlorinated hydrocarbon group. Which decays slowly residues in the environment for a long time, such as DDT. เฮ็บ eye lor.6 chemical key ring pests and animals, pesticides and animals (Pesticides) which is widely used in agriculture, including chlorinated hydrocarbon group. Which decays slowly residues in the environment for a long time, such as DDT. เฮ็บ eye lor.In addition to toxicity to insects. It also has very high toxicity to warm-blooded animal degraded faster than the first group.
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