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Leguminous crop rotation is in agriculture

Explain why the leguminous crop rotation is used in the agriculture?

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Leguminous crop rotation and other crop rotations are used in the agriculture since within these plants several bacteria significant for the nitrogen cycle live. The leguminous crop rotation or conjointly with the main crop helps soil to become rich in the nitrates that then are absorbed by plants.

Green manure, covering of the soil with the grass and leguminous, is a way to increase the fixation of nitrogen and it is an option to prevent the chemical fertilizers.

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