1. Rhizosphere Bacteria for Crop Production and Improvement of Stress Tolerance: Mechanisms of Action, Applications and Future Prospects -- 2. Biopesticides: Where we stand? -- 3. Biotrophic Plant-Microbe Interactions for Land Reclamation and Sustainable Agriculture Development -- 4. Plant-Microbe Partnerships for Enhanced Biodegradation of Polychlorinated Biphenyls -- 5. Harnessing Plant-Microbe Interactions for Enhanced Protection Against Phytopathogens -- 6. Rhizospheric Plant Microbe Interactions: Key Factors to Soil Fertility and Plant Nutrition -- 7. Plant-Endophyte Interaction and its Unrelenting Contribution towards Plant Health -- 8. Abiotic and Biotic Plant Stress Tolerant and Beneficial Secondary Metabolites Produced by Endophytic Bacillus Species -- 9. Antifungal Compounds from Pseudomonads and Study of their Molecular Features for Disease Suppression Against Soil Borne Pathogens -- 10. Pseudomonad's- Plant Growth Promotion and beyond -- 11. Perspectives of Rhizobial Inoculation for Sustainable Crop Production -- 12. Legume- Rhizobia Symbiosis under Stress -- 13. Legume Root Exudates: Their Role in Symbiotic Interactions -- 14. Actinorhizal and Rhizobial-Legume Symbiosis for Alleviation of Abiotic Stresses -- 15. Azospirillum- A Bio-fertilizer for every Crop -- 16. Ectomycorrhizal Fungi and their Applications -- 17. Increasing the Role of Mycorrhizal Symbiosis in Plant-Plant Facilitation Process to Improve the Productivity and Sustainability of Mediterranean Agrosystems -- 18. Role of Plant Growth Promoting Rhizobacteria and their Formulation in Biocontrol of Plant Diseases -- 19. Effects of Soil Environment on Field Efficacy of Microbial Inoculants.