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Home >> Microbiology >> Principles of Soil Microbiology

Principles of Soil Microbiology

Soil microbiology deals with the microorganisms present in, and their role in soil. The most important function of soil microorganisms is to decompose various kinds of organic matter. Second is the process of mineralization of various organic constituents.

Mineralization of organic carbon, nitrogen, phosphorus and sulphur via respective cyclic alterations by soil microorganisms makes these elements available for reuse by plants and other organisms. As we know, microbes improve the fertility of soil by fixing atmospheric nitrogen into nitrogen-compounds which are readily used by plants to synthesize protein and other complex organic nitrogenous compounds.

It is generally true, however, that more the microorganisms there are in the soil, the more productive it is.

 

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