Question

What are weeds?
Name any one weed found in a crop field.
How do weeds affect the growth of crops...​

Answer 1

Weeds are unwanted plants. They grow with crops and compete for nutrients and water with main crop. So weeds are very harmful. Process of controlling the weed is called weeding.

example of weed is Dendilion

Answer 2

Explanation:

The unwanted plants present in a crop field are called weeds. They might be plants that are poisonous or non-poisonous, useful in general or non-useful. But when it comes to the agricultural fields, the main crop requires all the water and nutrients from the land.

Example - Ragweed.