Question

What are weed?How can we control them.

Answer 1

Weed are unwanted plants that grow with the crop..

It is control by :-

Using pesticides

Answer 2

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Weeds are unwanted plants. They grow with crops and compete for nutrients and water with main crops. So weeds are harmful.

Process of controlling the weed is called weeding.

Weeding is done manually by using khurpi and by using mechanical machines. Weeds are also controlled by using some chemical substances like 2, 4-D. These chemicals are called weedicides and are used to kill and destroy the weeds.