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(a) How do organic farmers control pests? Give two examples.
(b) State the difference in their approach from the convectional pest control methods.
Answers (1)
(a) Organic farmers control pests by natural predations/ biological control
Ex- Lady bird used to kill aphids// dargon flies used to kill mosquitoes // Bacillus thuringiensis used to kill cotton bollworms / caterpillares.
(b) Grazing food chain / detrius food
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