Weeds are undesirable plants that affect the growth of plants surrounding them by competing for nutrients, soil, water, and space.
In cases of younger or smaller plants, some weeds even overpower their young plant parts. If left uncontrolled, weeds may become hosts for various plant diseases.
Weeds can be controlled using weedicides. It is a chemical, which is sprayed in the fields to kill all the available weeds.
Tilling before sowing of crops also helps in removing weeds. Tilling uproots the weeds.
The manual method of removing weeds is with the help of a "Khurpi".