Question

What are weeds? How can one protect crop from weed?

Answer 1

Weeds : Weeds are the unwanted plants that grow along the crop plants.

Weeds are harmful for our crop plants because they compete with crop plants for nutrients and water.

In this way many of the essential nutrients which are required by crop plants are used by the weeds instead of crop plants.

One can protect the crop by weeding.

Weeding is the process of removal of weeds from the feilds.

Weeding can be done :

• Manually : By using hands of other tools like - hoe etc.

• Chemically- by using chemicals Known as weedicides.

Answer 2

Explanation:

The unwanted plants that grow naturally along with crop plants are called weeds. This following method we protect crop

from weeds

1. By mechanical method :in this method, 1 Wedding from the soil, before sowing seeds is done by using big, comb-like implement called harrow or take
2. The weedicides kill the weeds but do not harm the crop plant . The common weedicides are : 1. 2,4-D ( ie ,2,4- dichlorophenoxy arctic acid) 2. Butachlor.