Assertion :The Residual Nitrogen Activity is a measure of how long an application of fertilizer will provide the plant the needed nutrients. Reason: In general, water soluble materials will have a short residual activity, while less-soluble and/or temperature-dependent materials will provide a longer nitrogen residual activity.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
B is the correct option both assertion and reason are correct but reason is not correct for the assertion.

The Residual Nitrogen Activity is a measure of how long an application of fertilizer will provide the plant the needed nutrients.
For an organic agricultural system, continuous application of manure increases the nitrogen (N), phosphorus (P), potassium (K), calcium, and magnesium content in soil [2,3]. Once organic fertilizers are applied to soils and mineralization begins, inorganic nitrogen is released and absorbed by plants.

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