Helh needed with question4
Dear student,
Azotobacter are free living nitrogen fixing bacteria which incorporates nitrogen into the soil in the form of ammonia and then plants absorbs ammonia from the soil. Maize requires nitrogen for growth and producing good crop. Azotobacter acts as biofertilizer and enhances the fertility of soil and when maize is grown yield of maize plant.increases.
Regards
Azotobacter are free living nitrogen fixing bacteria which incorporates nitrogen into the soil in the form of ammonia and then plants absorbs ammonia from the soil. Maize requires nitrogen for growth and producing good crop. Azotobacter acts as biofertilizer and enhances the fertility of soil and when maize is grown yield of maize plant.increases.
Regards