Soil microbiology focuses on the soil viruses, bacteria, actinomycetes, fungi, algae and protozoa, but it has traditionally also included investigations of the soil animals such as the nematodes, mites, and other microarthropods. These organisms, collectively referred to as the soil biota, function in a belowground ecosystem based on plant roots and litter as food sources. Modern soil microbiology represents an integration of microbiology with the concepts of soil science, chemistry, and ecology to understand the functions of microorganisms in the soil environment. The surface layers of soil contain the highest numbers and variety of microorganisms, because these layers receive the largest amounts of potential food sources from plants and animals. The soil biota form a belowground system based on the energy and nutrients that they receive from the decomposition of plant and animal tissues. The primary decomposers are the bacteria and fungi.
ABOUT THE AUTHOR Pradeep Parihar
Dr. Pradeep Parihar obtained M.Sc. (Botany) and Ph.D. degree with specialization in Microbiology from Jai Narain Vyas University, Jodhpur. He worked as Lecturer in Buddha Institute of technology and Science Research College, Jodhpur and presently working as Associate professor in Dr. Tanveer Malawat College of Biosciences, Bikaner. He worked on rhizosphere microflora and antimicrobial activities and published more than 35 research papers and review articles in bvarious National and International Journals. He has been awarded Dr. Salgax national APSI Award in 2003 by Academy of Plant Science India. He is the expert and member of Editorial Boars of various societies and fellow of Academy pf Plant Science India.
ABOUT THE AUTHOR S.S. Purohit
Dr. S.S. Purohit (b. July, 1948) obtained M.Sc. (Gold Medal) and Ph.D. in Botany from Udaipur University, Udaipur. He was guest scientist in various foreign universities. He has 30 years of teaching experience of UG and PG students specially Plant Physiology and Biotechnology. He has guided 12 M. Phil and 5 Ph.D. students. He is a well known author of 30 nooks of national and international repute. He has edited an International series entitled: Hormonal Regulation of Plant Growth and Development in Six Volumes and two Volumes have been reprinted by W. Junk Publishers, Holland. Presently he is the Managing Director of Agrobios (India) and Chief Editor Agrobios News Letter.
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