Soil is a complex and dynamic system and 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 and plant health. However microbial diversity, to a large extent, is unexplored.A range of novel methods based on rRNA and rDNA analysis have revealed parts of soil microbial diversity. The key problem posed ...