This book presents a comprehensive collection of articles illustrating the importance of microbial community structure and function for ecosystem sustainability and environmental reclamation. It addresses a diverse range of topics, including microbial diversity, physiology, genomics, ecosystem function, interaction, metabolism, and the fruitful use of microbial communities for crop productivity and environmental remediation.

Chapter 1: Soil Microbial Diversity (Baliyarsingh).- Chapter 2: Microbial Diversity and Soil Health in Tropical Agro-ecosystem (Chourasiya).- Chapter 3: Plant Growth Promoting Microbes (PGPM) as Potential microbial bio-agents for eco-friendly Agriculture (Gangwar).- Chapter 4: Plant Growth Promoting Rhrizobacteria in abiotic stress alleviation in crops (Paul).- Capter 5: Phosphate Solubilizing Microorganisms in Sustainable Agriculture (Pradhan).- Chapter 6: Arbuscular Mycorrhizal fungi (AMF) for sustainable rice production (Paneerselvam).- Chapter 7: Biological Nitrogen Fixation in Cereal Crops (Garcha).- Chapter 8: Biological Control as a Tool for Eco-friendly Management of Plant Pathogens (Sharma).- Chapter 9: Biological control of insect pests for sustainable agriculture (Sindhu).- Chapter 10: Soil organic matter and microbial role in plant productivity and soil fertility (Biswas)