The first step: first, the use of hazardous substances in agriculture
1.Select the use of dangerous objects agricultural pesticide suitable for pests. By studying the basic data. On insect enemies of plants. Or have counseling information from people such as agricultural agentIn order to be able to use agricultural dangerous objects effectively
.2. Select the dangerous objects, agricultural pesticide that can decompose quickly to reduce the กค้ in environment
3. Select the dangerous objects, agricultural pesticide affecting people and accumulate less useful
4.Select object dangerous agricultural pesticide that doesn't affect the plants to grow. And the change of taste in crops, such as use of DDT and melon plants
5.Select objects in agricultural pesticide hazards existing in the nature or extracted from natural
second step: while the use of hazardous substances in agriculture
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