Give an example of a weed.

Amaranthus

Explanation

The undesirable plants that grow along with the crops are called weeds. These weeds feed on the nutrients provided to the crops and thus reduce the supply of nutrients to the crops, thereby hindering their growth. The growth of these weeds needs to be limited to enhance the growth of the plants.

  •  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 crops also helps in removing weeds: Tilling uproots the weeds. The best time for the removal of weeds is before they produce flowers and seeds.
  • The manual method of removing weeds is with the help of a khurpi. It involves regular uprooting or cutting of weeds close to the ground.

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