. 9. What are weeds? How can we control them?
Answers
Answer:
weeds are harmful plants that grow in our fields and destroy the crop and harms the land. they destroy the capacity of our land.
we control them by using pesticides and herbicides
Answer:
The process of removal of weeds is called weeding. To obtain this, weedicides are employed, which are essentially chemicals specifically made to destroy weeds. They are regularly sprayed before seeding and flowering.
Weeding methods
Some important weeding methods are listed below
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. The best time for the removal of weeds is before they produce flowers and seeds.