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Nitrogen is an essential nutrient for plant growth. But farmers who cultivate pulse crops like green gram,

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asked Jan 22, 2018 in Science by Rohit Singh (61,782 points) ● 35 ● 133 ● 357

Nitrogen is an essential nutrient for plant growth. But farmers who cultivate pulse crops like green gram, bengal gram, black gram, etc. do not apply nitrogenous fertilizers during cultivation. Why?

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answered Jan 22, 2018 by sameer (82,980 points) ● 5 ● 11 ● 37
selected Jan 27, 2018 by sarthaks
 
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Roots of pulses (leguminous plants) have a symbiotic association with a bacterium called Rhizobium which fixes nitrogen. Hence, farmers need not use nitrogenous fertilizers

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