How can we save our crops from these pests?

Discussion in 'CBSE Class 8 Chemistry Help' started by ramana reddy, Jun 30, 2012.

  1. ramana reddy

    ramana reddy Member

    Use of insecticides or pesticides helps in saving the crops from the pests. Pesticides kill the pests and their eggs selectively without effecting the plants. Some insecticides even prevent the moulting of the insects. Thus they kill them.

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