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Question
Farmers use Rhizobium to fix _____ levels in the soil.
Farmers use Rhizobium to fix _____ levels in the soil.
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Solution
The correct option is C nitrogen
Nitrogen is one of the most commonly deficient nutrients in the soil. Plants cannot take nitrogen directly from the air. Hence, it is the most commonly supplied nutrient with the help of fertilisers. Supply of nitrogen through fertilisers can cause serious environmental problems. To avoid these, farmers use Rhizobium bacteria as it can convert atmospheric nitrogen into soluble forms in leguminous plants. It lives in the root nodules of the leguminous plants.
Nitrogen is one of the most commonly deficient nutrients in the soil. Plants cannot take nitrogen directly from the air. Hence, it is the most commonly supplied nutrient with the help of fertilisers. Supply of nitrogen through fertilisers can cause serious environmental problems. To avoid these, farmers use Rhizobium bacteria as it can convert atmospheric nitrogen into soluble forms in leguminous plants. It lives in the root nodules of the leguminous plants.
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