Question

How do weeds damage crops?​

Answer 1

Weeds affect the growth of crops by competing with crop plants for water, space, nutrients and sunlight. Thus, the crop yield is reduced. Some of the weeds are alternate hosts of pathogens in their life cycle. Thus, they provide shelter to them and promote plant diseases. Their seeds mix with the food grain and lower the quality of food grain yield.

Answer 2

Answer:

Weeds are unwanted plants in the cultivated field. They compete with the crop plants for food, space and light. They take up the nutrients and reduce the growth of the crop