A. Organic farmers control pests using natural predation or biological control. Examples are Bacillus thuringiensis is used to kill cotton bollworm, dragon flies used to kill mosquitoes, lady bird used to kill aphids, etc.
B. The conventional pest control uses insecticides and pesticides which kill insects and pests. Since these chemicals are non-biodegradables causes environmental pollution and bio magnification. Whereas organic farmers do not try to completely get rid of pests but keep them at manageable levels. The complete eradication of pests is not beneficial for ecosystem.
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