alleryWhich practice helps replenish soil nitrogen through green manure in sequence with cereals?
AStrip mining
BCrop rotation
COvergrazing
DDeep ploughing
Answer & Solution
Correct answer: B. Crop rotation
1. Soil nutrients get used up by repeated cropping.
2. Crop rotation with green manure replenishes nitrogen.
3. It also improves soil structure and fertility.
_Source: Wikipedia, Renewable resource, Sustainable agriculture_
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