What steps are taken to protect crops from pests?

Discussion in 'CBSE Class 8 Chemistry Help' started by ramana reddy, Jul 3, 2012.

  1. ramana reddy

    ramana reddy Member

    Crops from pests are protected by:

    (i) Raising scarecrows.
    (ii) Beating of drums.
    (iii) Spraying dilute solution of pesticides.

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