Soil can be defined as the space time continuum forming the upper part of the earth"s crust. It is a natural body comprised of solid, liquid and gases that occur on the land surface. Joffe (1949) defined soil as a natural body differentiated into horizons of mineral and organic constituents usually unconsolidated of variable depth, which differs from the parent material below in morphology, physical properties and constitution, chemical properties and composition, and biological characteristics. Soil is one of the most fundamental resources for sustainability and survival. It is one of the most important assets to protect and pass on to future generations.Soil contamination due to anthropogenic and natural sources is increasing day by day because of increasing population, industrialization, and urbanization. Soil is the receptor of many contaminants from various sources. Contamination decreases the quality of the soil and adversely affects soil organisms.For this study, so
il samples from thirteen locations contaminated from agricultural, industrial, and organic sources spread over the districts of Alappuzha and Kottayam in Kerala in the south west coast area of India were analyzed to study the changes in soil characteristics and its influence on soil microbial communities and their activities.
M.V. Bindu is Technical Officer at the Project Implementation Unit, Kerala Sustainable Urban Development Programme, Local Self Government Department, Thiruvananthapuram, Kerala India. After securing her Master"s Degree in Environmental Management from Mahatma Gandhi University, India, she received her PhD (Biotechnology) in 2009 from the University of Kerala, India. Her area of interest is remediation of contaminated environment through microbial manipulations.V.S. Harikumar is Associate Professor and Head of the Department of Post Graduate Studies & Research in Botany, Sanatana Dharma College (University of Kerala), Alappuzha, Kerala, India.He received his PhD in 1998 from the University of Kerala in the field of Agricultural Microbiology. His major area of interest is Microbial Biotechnology. He has more than two decades of Post Graduate teaching experience and has a good number of publications in referred journals. He is a member in the editorial board of journals a
nd member of various academic and professional bodies. He also guides students for doctoral programmes in the field of Botany and Biotechnology.
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