Question

how nutrients are replenished in the soil by adding fertilizers and manure

Answer 1

Hey there......

here your answer...

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Fertilisers and manures contain plant nutrients such as nitrogen, phosphorus, and potassium etc. So, when fertilizers and manures are added to the soil in the fields, then the soil gets enriched. The crop plants can then grow well in the soil.

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Answer 2

Adding manure to compacted soil helps loosen the soil. Manure produces increased soil carbon, which is an important source of energy that makes nutrients available to plants.