Soil Microbiology and Soil Biotechnology covers in a major way on soil bioresources, soil organic matter and organic manure decomposition, nitrification and denitrification process in soil, sulphur bacteria and the environment. It also covers Rhizosphere Microflora and Plant Microbe interaction, Microbial Ecology of Arid soil, Industrial potentials of Microbial pigments, Beneficial applications of the fungal antagonist - Trichoderma and Microorganisms and Environment. It also covers Biological fertilizers, Azospirillum in soil and its colonization in plant roots, Liquid Bioinoculants, Mineral Phosphate solubilization by blue green algae, AM fungi, role of host genes in Symbiotic Nitrogen Fixation, Bioecology and Biotechnological applications of Trichoderma, transformation technology against pest and diseases, production technology of paddy, straw mushroom, oyster mushroom and biodiversity of oyster, paddy straw and milky mushroom. Soil Microbiology and Soil Biotechnology Volumes 1 and 2 cover both basic and applied aspects of soil microorganisms.