1 Disposal of Agricultural waste and its effects on Environment, production of useful metabolites and energy: potential and challenges -- 2 Utilizing Agricultural Waste in Production of Biochar for Improving Soil Properties and Increasing Crop Yield through Field Application -- 3 Value-added products from agricultural waste -- 4 Biomaterials derived from agricultural waste - a focus on collagen -- 5 Valorization of Agricultural Lignocellulosic Plant Byproducts Following Biorefinery Approach Towards Circular Bioeconomy -- 6 Bioactive Peptides from Protein-Rich Waste -- 7 Biopolymers in sugarcane vinasse treatment and valorization -- 8 Valorization of Guava fruit by-products -- 9 Valorization of coffee by-products:An overview -- 10 Valorization of tomato fruit processing residues -- 11 Sustainable utilization of tea waste -- 12 Vitis wastes as a source of stilbenes: natural occurrence, factors affecting biosynthesis and valorization in agri-food sector -- 13 Useful bioactive compounds from Olive tree by-products (leaves, branches, fruits) -- 14 Fruit pomaces as valuable by-products of wine and cider industries -- 15 Secondary Metabolites and Antioxidant Activity of the Solid-State Fermentation in Fruit Waste/Bagasse -- 16 Green extraction techniques applied to recover chemical compounds from olive-derived biomasses -- 17 Production and use of hydrolates from the distillation process of aromatic plants -- 18 From agricultural waste to functional food products: An Overview -- 19 Recent advancements in agricultural residues valorisation into bio-products -- 20 Biogas Energy from Animal Waste -- 21 Recent Trends and Future Prospects of Nanotechnology for Agro-wastes Valorization into Biofuels.