Part 1: An Introduction to Plant-Microbe Interaction.- Chapter 1. Rhizosphere Interactions: Life Below Ground.- Chapter 2. Shaping the Other Sides: Exploring the Physical Architecture of Rhizosphere.- Chapter 3. Applications and Mechanisms of Plant Growth Stimulating Rhizobacteria.- Chapter 4. Microbial Ecology at Rhizosphere: Bio-engineering and Future Prospective.- Chapter 5. Mycorrhizosphere: The Extended Rhizosphere and its Significance.- Chapter 6. Arbuscular Mycorrhizae: Effect of Rhizosphere and Relation with Carbon Nutrition.- Part 2: Plant-Microbe Interaction Under Abiotic and Biotic Stress.- Chapter 7. Microbial-Mediated Amelioration of Plants Under Stress: An Emphasis on Arid and Semi-Arid climate.- Chapter 8. Bacterial ACC-Deaminase: An Eco-Friendly Strategy to Cope Abiotic Stresses for Sustainable Agriculture.- Chapter 9. Increasing Phytoremediation Efficiency of Heavy Metal Contaminated Soil using PGPRs for Sustainable Agriculture.- Chapter 10. PGPR-Mediated Amelioration of Crops Under Salt Stress.- Chapter 11. Plant-Microbes Interaction For the Removal of Heavy Metal From Contaminated Site.- Chapter 12. Bacteria-Mediated Elicitation of Induced Resistance in Plants Upon Fungal Phytopathogen.- Chapter 13. Essential Oils as Antimicrobial Agents Against Some Important Plant Pathogenic Bacteria and Fungi.- Chapter 14. Halophilic Bacteria: Potential Bioinoculants for Sustainable Agriculture and Environment Management Under Salt Stress.- Chapter 15. Abiotic Stress Mitigation Through Plant Growth Promoting Rhizobacteria.- Part 3: Plant-Microbe Interaction and Plant Productivity.- Chapter 16. Growth Promotion Features of the Maize Microbiome - From an Agriculture Perspective.- Chapter 17. Biofertilizers: A Timely Approach for Sustainable Agriculture.- Chapter 18. Role of Beneficial Fungi in Sustainable Agricultural Systems.- Chapter 19. Significance of Arbuscular Mycorrhizal Fungi and Rhizosphere Microflora in Plant Growth and Nutrition.- Chapter 20. Prospect of Phyllosphere Microbiota : a Case Study on Bioenergy Crop Jatropha curcas.- Chapter 21. Sinker Root System in Trees with Emphasis on Soil Profile.- Chapter 22. Plant Growth Promoting Rhizobacteria Play a Role as Phytostimulator for Sustainable Agriculture.- Chapter 23. Diversity, quorum sensing and plant growth promotion by endophytic diazotrophs associated with sugarcane with special reference to Gluconoacetobacter diazotrophicus