Nostoc, a terrestrial cyanobacterium, is a pioneer organism which can photosynthesize and fix atmospheric nitrogen
(N2). In addition, it secretes polysaccharides containing fixed carbon (C) and N. Soil microorganisms utilize these
polysaccharides as a source of nourishment, contributing to the fertility of tIn an alkali soil in Northern India where plant growth was poor, the application of a mixture
of cyanobacteria promoted the leaching of sodium, decreased pH from 9.5 to 7.6, and increased the exchangeable calcium by about 25% (Kaushik and Murti 1981).he soil.
Nostoc, a terrestrial cyanobacterium, is a pioneer organism which can photosynthesize and fix atmospheric nitrogen(N2). In addition, it secretes polysaccharides containing fixed carbon (C) and N. Soil microorganisms utilize thesepolysaccharides as a source of nourishment, contributing to the fertility of tIn an alkali soil in Northern India where plant growth was poor, the application of a mixtureof cyanobacteria promoted the leaching of sodium, decreased pH from 9.5 to 7.6, and increased the exchangeable calcium by about 25% (Kaushik and Murti 1981).he soil.
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