Question

why should we remove weeds from the crop fields? How can we control the weeds

Answer 1

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It's important to rid your garden of weeds because they rob your soil and your plants of important nutrients and water. Certain weeds such as nut grass actually reduce crop yield on farms because their roots release chemicals that are harmful to surrounding plants.

Answer 2

Weeds are unwanted plants that grow in crop field and absorb more nutrients from the soil and our crop cannot get enough nutrition .

So it's necessary to remove weed and to Control weeds we should use weedicide... Eg. Parthenium