Question

78% of Nitrogen is present in atmosphere. This nitrogen is used by plants for
growth and development. How does the concentration of nitrogen remain constant
always in the atmosphere? Explain in brief.

Answer 1

Answer:

See , Plants like wheat and rice uses up a lot of Nitrogen . the the nitrogen can be replinshed by planting one leguminous crop hetween 2 successive cereal crops . this way the nitrogen gets replenished