Question

what are weeds? How can we control them?​

Answer 1

Ques : What are weeds? How can we control them?

Soln: The unwanted plants that grow by their own in the cultivating fields and compete with required crops for food, light, space and essential nutrients present in the soil are called weeds. For example, Parthenium (gajar ghas), Cyperinus rotundus (motha).

Weeds can be controlled using weedicides: It is a chemical, which is sprayed in the fields to kill all available weeds. Weedicides are not harmful to crops. Tilling before sowing of crops also helps in removing weeds: Tilling uproots the weeds.

hope it helps .

Answer 2

A weed is an unwanted plant that grows in the agricultural field and extracts the nutrients which are essential for the main crops.

• 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.