Question

what are weed how can we control them​

Answer 1

Answer:

Weed are the unwanted plants that grown in our fields. Weedicides are used for controlling them.

Hope it helps

Answer 2

Answer:

weeds are unwated plants in crop fields. they can be prevent from spreading. there are many wys to protect crop such as manuarung, chemical sprikleing, using BT crops, using microorganism those live on eating weeks only,etc.