GK
SOIL AND AGRICULTURE
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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To reduce the crop-weed competition, at what stage are the herbicides used?
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At tillering
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At germination
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At ear emergence
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After first irrigation
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Explanation:
Detailed explanation-1: -Weeds compete with the main crop plant for air, water, sunlight and nutrients in the soil making them deficient for the main crop. Also, they are not of use to humans. Thus they affect the growth of the plant and their removal is necessary.
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