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Between cropping seasons, farmers often ...

Between cropping seasons, farmers often plant some cover crops in their fields to protect the soil from erosion. Out of grass and pea plant, which would be a better choice for a cover crop if there needs to be an improvement in soil fertility? Give a reason for your answer.

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Pea plants would be a better choice to be used for cover crops as it will improve the soil fertility. Pea plants are leguminous plants that have nodules in their roots. These nodules contain Rhizobium bacteria that use atmospheric nitrogen and produce ammonium. The presence of ammonium in the soil increases the soil fertility.
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