Question

Who does the symbiotic nitrogen fixation in plants?

Answer 1

Two kinds of nitrogen-fixing microorganisms are recognized: free-living (non-symbiotic) bacteria, including the cyanobacteria (or blue-green algae) Anabaena and Nostoc and genera such as Azotobacter, Beijerinckia, and Clostridium; and mutualistic (symbiotic) bacteria such as Rhizobium, associated with leguminous plants ...

Answer 2

Nosoc annaebinna bacteria are useful in nitrogen fixation of the plants in which they are live on the plants and by nostoc plant take essential nitrogenous minerals!