Question

How is atmospheric nitrogen utilised by plants

Answer 1

Nitrogen is then used for the synthesis of plant proteins and other compounds. ... The circulation ofnitrogen between organisms and theatmosphere is called the nitrogencycle.Some microorganisms reside in the root nodules of leguminous plantsand fix nitrogen from the air into the soil, and increase soil fertility.

Answer 2

Nitrogen gas diffuses in soil from atmosphere
and then bacteria present in soil (nitrogen fixing bacteria) converts nitrogen to ammonium ion which is useful to plants