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Improvement in Food Resources — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceImprovement in Food Resources1 Mark
Question
Explain why a legume crop does not require nitrogenous fertilizers?
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Answer

A legume crop does not require nitrogenous fertilizers because its roots have root nodules which have nitrogenous bacteria called Rhizobium. This bacteria fixes atmospheric nitrogen and the plants converts nitrogen into various nitrogenous compounds.

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