In this article we will discuss about the principle, requirements and procedure for isolation of blue green algae. Blue green algae (BGA), the Cyanobacteria, occur in wet land cultivations of rice. They are free-living N2 fixers and are photosynthetic organisms. Species of Nostoc, Anabaena, Scytonema, Calothrix, etc. are a few among the many BGA that […]