Question

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?​

Answer 1

Answer:

soil naturally contain the nitrogen. That's why.....

Answer 2

THIS IS BECAUSE THOSE PLANTS ARE KNOWN AS LEGUMES WHICH HAVE N2 FIXING BACTERIA IN THEIR ROOTS , SO THE CROPS GET N2 FROM THE LEGUMES.