Nitrogen is an essential nutrient for plant growth. But farmers who cultivate pulse crops like green gram, bengal gram etc do not apply nitrogenous fertilizers during cultivation. Why?
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cos they are leguminous plants
Explanation:
leguminous plants belong to a family leguminouceae
they have special structures in their roots called nodules which have rhizobium in it . The plant share a symbiotic relationship with rhizobium which have the ability to fix atm nitrogen into the soil . therefore farmers dont use any nitrogenous fertilezers for such crops . if they use them the soil might become highly acidic making it unsuitable for cultivation
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