Dr. Sagar Chhabra received his Ph.D. in Environmental Microbiology from the South East Technological University, Ireland, and has several years of postdoctoral experience working in Canada and Ireland in the field of agricultural and environmental microbiology and biotechnology. Dr. Chhabra is currently working as an Assistant Professor (Grade III) in the Department of Biosciences at Galgotias University, India, and previously worked as a Senior Researcher and Scientist in an industry in Ireland working on microbial product development for plant growth promotion and environmental clean-up. Dr. Chhabra has published several papers in the areas of plant and soil microbiomes and microbial ecology and has several national and international fellowships, travel grants, and other awards as a researcher Dr. Ram Prasad, Ph.D. is associated with the Department of Botany, Mahatma Gandhi Central University, Motihari, Bihar, India. His research interest includes appliedand environmental microbiology, plant-microbe-interactions, sustainable agriculture, and nanobiotechnology. Dr. Prasad has more than two hundred fifty publications to his credit, including research papers, review articles, and book chapters and six patents issued or pending, and edited or authored several books. Dr. Prasad has thirteen years of teaching experience and has been awarded the Young Scientist Award and Prof. J.S. Datta Munshi Gold Medal by the International Society for Ecological Communications; FSAB fellowship by the Society for Applied Biotechnology; the American Cancer Society UICC International Fellowship for Beginning Investigators, USA; Outstanding Scientist Award in the field of Microbiology; BRICPL Science Investigator Award and Research Excellence Award etc. He has been serving as an editorial board member of BMC Microbiology, BMC Biotechnology, Current Microbiology, Archives of Microbiology, Annals of Microbiology, IET Nanobiotechnology, Journal of Nanomaterials,^164Dr. Naga Raju Maddela received his M.Sc. (1996–1998) and Ph.D. (2012) in Microbiology from Sri Krishnadevaraya University, Anantapuramu, India. During his doctoral program in the area of Environmental Microbiology, he investigated the effects of industrial effluents/insecticides on soil microorganisms and their biological activities and worked as a Faculty in Microbiology for 17 years, teaching undergraduate and postgraduate students. He received “Prometeo Investigator Fellowship” (2013–2015) from Secretaría de Educación Superior, Ciencia, Tecnología e Innovación (SENESCYT), Ecuador, and “Postdoctoral Fellowship” (2016–2018) from Sun Yatsen University, China. He also received external funding from “China Postdoctoral Science Foundation” in 2017, internal funding from “Universidad Técnica de Manabí” in 2020, worked in the area of Environmental Biotechnology, participated in 20 national/international conferences, and presented research data in China, Cuba, Ecuador, India, and Singapore. Currently, he is working as a full-time Professor at the Facultad de Ciencias de la Salud, Universidad Técnica de Manabí, Portoviejo, Ecuador. He has published 7 books (Springer), 15 chapters (InTech Open/Springer), and 50 research papers. Dr. Narendra Tuteja, An elected fellow of numerous national and international science academies, Dr. Narendra Tuteja is former Director and Professor at Amity Institute of Microbial Technology, NOIDA, India, and former Group leader and Senior Scientist at International Centre for Genetic Engineering & Biotechnology (ICGEB), New Delhi, India. He has made significant contributions to crop improvement under adverse conditions, reporting the first helicase from plant and human cells and demonstrating new roles of Ku autoantigen, nucleolin, and eIF4A as DNA helicases. Furthermore, he discovered novel functions of helicases, G proteins, CBL-CIPK and LecRLK in plant^35,000, h-index: >75, i^292.

• Chapter 1. Fungal microbiomes The functional potential for plant growth promotion and opportunities for agriculture.- Chapter 2. Unearthing the Modern Trends and Concepts of Rhizosphere Microbiome in Relation to Plant Productivity.- Chapter 3. The Role of the Root Microbiome in the Utilization of Functional Traits for Increasing Plant Productivity.- Chapter 4. Crop microbiome for sustainable agriculture in special reference to nanobiology.- Chapter 5. Changes in plant microbiome in response to abiotic stress.- Chapter 6. Functional potential of plant microbiome for sustainable agriculture in conditions of abiotic stresses.- Chapter 7. The Beneficial Plant Microbial Association for Sustainable Agriculture.- Chapter 8. Microbiome of plants: The diversity distribution and their potential for sustainable agriculture.- Chapter 9. Decoding Beneficial Plant Microbe Association with Latest Techniques for Sustainable Agriculture.- Chapter 10. Phosphate solubilizing microorganisms Multifarious Applications.- Chapter 11. Bacillus and Streptomyces for management of biotic stresses in plants for sustainable Agriculture.- Chapter 12.Omic Route to Utilize Endophytes and their functional potentials in Plant Growth Advancement.- Chapter 13. Siderophore production in Iron uptake and plant biofortification.- Chapter 14. Plant microbiome diversity and potential for crops and sustainable agriculture.- Chapter 15. Endophytic phytohormone production and utilization of functional traits in plant growth promotion.- Chapter 16. Role of endophytic microorganisms in phosphate solubilization and phytoremediation of degraded soils.- Chapter 17. Techniques to Study Plant-Microbe Interactions that Leads to Efficient Sustainable Agriculture.- Chapter 18. Plant microbiome in agroecosystems for sustainable agriculture and environments.

Dr. Sagar Chhabra received his Ph.D. in Environmental Microbiology from the South East Technological University, Ireland, and has several years of postdoctoral experience working in Canada and Ireland in the field of agricultural and environmental microbiology and biotechnology. Dr. Chhabra is currently working as an Assistant Professor (Grade III) in the Department of Biosciences at Galgotias University, India, and previously worked as a Senior Researcher and Scientist in an industry in Ireland working on microbial product development for plant growth promotion and environmental clean-up. Dr. Chhabra has published several papers in the areas of plant and soil microbiomes and microbial ecology and has several national and international fellowships, travel grants, and other awards as a researcher Dr. Ram Prasad, Ph.D. is associated with the Department of Botany, Mahatma Gandhi Central University, Motihari, Bihar, India. His research interest includes appliedand environmental microbiology, plant-microbe-interactions, sustainable agriculture, and nanobiotechnology. Dr. Prasad has more than two hundred fifty publications to his credit, including research papers, review articles, and book chapters and six patents issued or pending, and edited or authored several books. Dr. Prasad has thirteen years of teaching experience and has been awarded the Young Scientist Award and Prof. J.S. Datta Munshi Gold Medal by the International Society for Ecological Communications; FSAB fellowship by the Society for Applied Biotechnology; the American Cancer Society UICC International Fellowship for Beginning Investigators, USA; Outstanding Scientist Award in the field of Microbiology; BRICPL Science Investigator Award and Research Excellence Award etc. He has been serving as an editorial board member of BMC Microbiology, BMC Biotechnology, Current Microbiology, Archives of Microbiology, Annals of Microbiology, IET Nanobiotechnology, Journal of Nanomaterials,^164Dr. Naga Raju Maddela received his M.Sc. (1996–1998) and Ph.D. (2012) in Microbiology from Sri Krishnadevaraya University, Anantapuramu, India. During his doctoral program in the area of Environmental Microbiology, he investigated the effects of industrial effluents/insecticides on soil microorganisms and their biological activities and worked as a Faculty in Microbiology for 17 years, teaching undergraduate and postgraduate students. He received “Prometeo Investigator Fellowship” (2013–2015) from Secretaría de Educación Superior, Ciencia, Tecnología e Innovación (SENESCYT), Ecuador, and “Postdoctoral Fellowship” (2016–2018) from Sun Yatsen University, China. He also received external funding from “China Postdoctoral Science Foundation” in 2017, internal funding from “Universidad Técnica de Manabí” in 2020, worked in the area of Environmental Biotechnology, participated in 20 national/international conferences, and presented research data in China, Cuba, Ecuador, India, and Singapore. Currently, he is working as a full-time Professor at the Facultad de Ciencias de la Salud, Universidad Técnica de Manabí, Portoviejo, Ecuador. He has published 7 books (Springer), 15 chapters (InTech Open/Springer), and 50 research papers. Dr. Narendra Tuteja, An elected fellow of numerous national and international science academies, Dr. Narendra Tuteja is former Director and Professor at Amity Institute of Microbial Technology, NOIDA, India, and former Group leader and Senior Scientist at International Centre for Genetic Engineering & Biotechnology (ICGEB), New Delhi, India. He has made significant contributions to crop improvement under adverse conditions, reporting the first helicase from plant and human cells and demonstrating new roles of Ku autoantigen, nucleolin, and eIF4A as DNA helicases. Furthermore, he discovered novel functions of helicases, G proteins, CBL-CIPK and LecRLK in plant^35,000, h-index: >75, i^292.

• Chapter 1. Fungal microbiomes The functional potential for plant growth promotion and opportunities for agriculture.- Chapter 2. Unearthing the Modern Trends and Concepts of Rhizosphere Microbiome in Relation to Plant Productivity.- Chapter 3. The Role of the Root Microbiome in the Utilization of Functional Traits for Increasing Plant Productivity.- Chapter 4. Crop microbiome for sustainable agriculture in special reference to nanobiology.- Chapter 5. Changes in plant microbiome in response to abiotic stress.- Chapter 6. Functional potential of plant microbiome for sustainable agriculture in conditions of abiotic stresses.- Chapter 7. The Beneficial Plant Microbial Association for Sustainable Agriculture.- Chapter 8. Microbiome of plants: The diversity distribution and their potential for sustainable agriculture.- Chapter 9. Decoding Beneficial Plant Microbe Association with Latest Techniques for Sustainable Agriculture.- Chapter 10. Phosphate solubilizing microorganisms Multifarious Applications.- Chapter 11. Bacillus and Streptomyces for management of biotic stresses in plants for sustainable Agriculture.- Chapter 12.Omic Route to Utilize Endophytes and their functional potentials in Plant Growth Advancement.- Chapter 13. Siderophore production in Iron uptake and plant biofortification.- Chapter 14. Plant microbiome diversity and potential for crops and sustainable agriculture.- Chapter 15. Endophytic phytohormone production and utilization of functional traits in plant growth promotion.- Chapter 16. Role of endophytic microorganisms in phosphate solubilization and phytoremediation of degraded soils.- Chapter 17. Techniques to Study Plant-Microbe Interactions that Leads to Efficient Sustainable Agriculture.- Chapter 18. Plant microbiome in agroecosystems for sustainable agriculture and environments.