Green manuring enhances crop yield by_______________

5 - 10%

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15 - 25%

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30 - 50%

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60 - 75%

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Solution

The correct option is C 30 - 50%
Green manuring is the practice of growing a short duration, succulent and leafy legume crop and ploughing the plants in the same field before they form seeds.
It provides nitrogen or a substitute for nitrogen fertilizers. Slowly decomposing green matter increases the soil organic resources and provides residual effects to future crops, therefore, increases the yield of a crop by 30-50%. Breaking and rotation of crops in the same field helps to improve the yield.

So, the correct answer is option C.

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