Question

Mention the microorganisms involved in nitrogen fixation.

Answer 1

Nitrogen fixation :

The conversion of atmospheric, industrial, or biological nitrogen into such usable forms which can be utilized by living organisms is called Nitrogen fixation.

Microorganisms involved in Nitrogen fixation:

1. A large number of bacteria and algae can fix atmospheric nitrogen into usable forms.
2. For example, Azotobacter bacteria fix the nitrogen in the soil, Anabaena (blue-green algae) fixes the atmospheric nitrogen in water and the paddy fields and Azospirillum bacteria form a loose association with the roots of maize, sorghum.