Plant Microbiome: Past, Present and Future / Akhilendra Pratap Bharati, Ashutosh Kumar, Sunita Kumari, Anjney Sharma, Prem Lal Kashyap, Sudheer Kumar, Madhumita Srivastava, and Alok Kumar Srivastava -- The Plant Microbiome in Agricultural Sustainability: From Microbe to Microbiome / Jose Pedro Fonseca, Yuan Wang, and Kirankumar S. Mysore -- Seed Microbiome and Its Implication in Plant Growth Promotion and Health / Padmavathi Tallapragada and Usha Seshachla -- Microbiome: The Holobiont, Its Application and Effect on the Plant System / Pragati Sahai and Vimlendu Bhushan Sinha -- Ecology of the Diazotrophic Microbiome / Preeti Singh, Rahul Kunwar Singh, Dhananjay Kumar, and Shree Prakash Tiwari -- Functional Microbiome for Crop Improvement Under a Changing Environment / Abbaci Hocine, Bensidhoum Leila, Houali Karim, and Nabti Elhafid -- Functional Importance of the Phyllosphere Microbiome and Its Implications in Agriculture / Parasuraman Paramanantham, Subhaswaraj Pattnaik, and Siddhardha Busi -- Microbial Consortia: Emerging Conglomerate for Better and Superior Sustainable Agricultural Practices / Rishi Kumar Verma, Manisha Sachan, and Shivesh Sharma -- Rhizomicrobiome for Sustainable Crop Growth and Health Management / Tualar Simarmata, Mieke R. Setiawati, Betty N. Fitriatin, and Diyan Herdiyantoro -- Mycorrhizal Microbiome: An Ideal Association in Sustainable Agriculture / Baby Summuna, Sachin Gupta, and Moni Gupta -- Microbiome-Driven Nutrient Fortification in Plants: The Role of Microbiota in Chemical Transformation and Nutrient Mobilization / Irina Sidorova and Elena Voronina -- Engineering Microbes to Improve Crop Health: A New Dimension for Sustainable Agricultural Productivity / P. Veera Bramhachari, A.M.V.N. Prathyusha, and Ganugula Mohana Sheela -- Biotechnology of Plant-Associated Microbiomes / Son Truong Dinh, Van T. Luu, Long Hoa Hoang, Xuan Canh Nguyen, and Cuong Tu Ho -- Microbiome Genomics and Functional Traits for Agricultural Sustainability / Amy Novinscak, Antoine Zboralski, Roxane Roquigny, and Martin Filion.