Soil sustains an immense diversity of microbes. All life forms rely on microbial processes for their survival. Microbial diversity is greater than the diversity of any other group of organisms. Microbes are responsible for diverse metabolic functions that affect soil, plant, animal and human health. Soil biodiversity is essential for the sustainable functioning of agriculture on which human depends. However microbial diversity is in extinction because of encroachment of human activities on ecosystem and inc...