Describe the role of Rhizobium in replenishing soil

 Since plants cannot absorb nitrogen from the atmosphere. Rhizobium is a symbiotic bacteria present in the root nodules of leguminous plants . The bacteria helps the plant to fix the atmospheric nitrogen and convert it into useable form - ammonia. The ammonia so formed is oxidised first into nitrate and then to nitrates with the help of other soil bacteria by the process of nitrification. The nitrates and nitrites thus formed enrich the soil with useable form of nitrogen that is easily assimilated by the plants..

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Rhizobium role is to replenish the soil by making the soil rich in NITROGEN . It is seen in the LEGUMINUS plants. The plant provide food &shelter to the bacterium . The bacteria provide water ,minerals to the plants.In this way the role of rhizobium completes.

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Rhizobium is bacterium which convert atmospheric nitrogen in soluble form. But it can't prepare it's own food so it lives in roots of leguminous plant and supplies them with nitrogen. in return leguminous plants provide food and shelter to rhizobium

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Free nitrogen gas of the atmosphere is fixed into inorganic nitrogen compounds by organisms such as Rhizobium bacteria. Nitrogen is fixed into roots of plants such as peas, beans& other leguminous plants where Rhizobium bacteria is found in abundance.
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Rhizobium role is to replenish the soil by making the soil rich in nitrogen. It is seen in the legminus plants .The plant provide food and shelter to the bacterium . The bacteria provide water, minerals to the plants . In this way role of rhizobium is completed .

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