Cyanobacteria like _______ and _______ are widely used as biofertilisers in paddy fields.
1
Anabaena, Nostoc
2
Rhizobium, Azospirillum
3
Trichoderma, Bacillus
4
Glomus, Streptomyces
Cyanobacteria like _______ and _______ are widely used as biofertilisers in paddy fields.