Algae In Nitrogen Fixation

Algae In Nitrogen Fixation

Blue-green algae (Cyanophyceae), viz., Aulosira, Anabaena, Nostoc, etc., fix elemental nitrogen and thus increase the soil fertility. These algae have special cells called heterocysts which are the sites for nitrogen fixation. P. K. De (1939) was the first to demonstrate N2 fixing ability of blue green algae. Fairly good yield of rice can be obtained over a number of years without addition of any nitrogenous fertilizer because of the presence of nitrogen fixing blue-green algae in the rice fields.

More Questions About Algae

Leave a Comment

%d bloggers like this: