Why is N considered a marginal factor in plan | vedclass

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(C) Nitrogen $(N)$ is considered a marginal factor because it is required by plants in large quantities for the synthesis of proteins,nucleic acids,vi

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It is often the limiting factor for plant growth due to its high demand and frequent deficiency in soil.

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(C) Nitrogen $(N)$ is considered a marginal factor because it is required by plants in large quantities for the synthesis of proteins,nucleic acids,vitamins,and enzymes.Although $N$ is abundant in the atmosphere as $N_2$ gas,plants cannot utilize it directly.In the soil,nitrogen is often present in limited amounts or in forms that are not easily accessible to plants.Due to this high demand for growth and its frequent scarcity in the soil,nitrogen often acts as a limiting factor,thereby restricting the overall productivity of the plant.

Why is $N$ considered a marginal factor in plant growth?

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