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Main Index >> Soil Microbiology

Nature of Soil
Soil Habitats ( Lithosphere)
Microorganisms in Soil
Decomposition of Organic Matter in Soil
Bacteria in Soil
Physiological Types of Bacteria in Different Soils
Fungi in Soil
Protozoa in Soil
Algae in Soil
Viruses in Soil
Functions of Microorganisms in Soil
Humus
Functions of Humus
 

Soil Microbiology


Microbial biogeochemical cycling activities and interactions between microbial populations have a direct and major influence on agriculture. A controlled balance of microbial activities is important for success in agriculture. Such activities in soil become very important. Soil is the natural habitat for all organisms and this is a centre of important ecological processes. Addition of fertilisers and pesticides to soil makes the study of its microbiology even more important.

Cycles of Elements
Carbon Cycle
Nitrogen Cycle
Sulphur Cycle
Ammonification in Soil
Nitrification in Soil
Nitrate Reduction in Soil
Denitrification in Soil
Nitrogen Fixation
Symbiotic Nitrogen Fixation
Rhizobium
Specificity of Bacteria and Legumes
Non-Symbiotic Nitrogen Fixation
Non-symbiotic Nitrogen Fixing Microorganisms
Mechanism of Nitrogen Fixation
Oxidation of Sulphur and Sulphur Compounds by Bacteria