Which of the following can be used as biofertiliser in cotton field?
Which of the following can be used as biofertiliser in cotton field?
Azolla-Anabaena
Streptococcus
Azospirillum
Azotobacter chroococcum
Solution
Cotton is a dicotyledonous crop. The best biofertiliser for cotton is Bacillus subtilis and Azotobacter chroococcum. These are free living nitrogen fixing bacteria and enhance the fertility of soil.