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Weeds affect the crop plants by...

Weeds affect the crop plants by

A

Killing of plants in field before they grow

B

dominating the plants to grow

C

competing for various resources of crops (plants) causing low availability of nutrients

D

All of the above

Text Solution

Verified by Experts

The correct Answer is:
D
Weeds are unwanted plants in the cultivated fields they compete with main crop plants for nutrients and reduce the growth of crops in many ways. The seeds of weed germinate easily their seedling grow faster they flower early , their seed production begins after a very short growth period and produce many seeds.
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Assertion : Weeds are unwanted plants that grow along with the main crops. Reason : Weeds compete with the main crops for water, minerals and sunlight and therefore reduce crop yield.