Weeding is necessary because_______________

They affect growth of the plant

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They affect the nutrients supplied to the soil

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Both A and B

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None of these

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Solution

The correct option is D Both A and B
Weeding is necessary since weeds compete with the crop plants for water, nutrients, space and light. Thus, they affect the growth of the crop. Some weeds interfere even in harvesting and may be poisonous for animals and human beings.
Therefore, the correct answer is the option C.

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Question 6
Weeds affect the crop plants by

(a) killing of plants in field before they grow
(b) dominating the plants to grow
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(d) all of the above.

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