Retraction notice to “Biochar-induced metal immobilization and soil biogeochemical process: An integrated mechanistic approach” [Sci. Total Environ. 698 (2020) 134112] - Ali El-Naggar; Mi-Hee Lee; Jin Hur; Young Han Lee; Avanthi Deshani Igalavithana; Sabry M. Shaheen; Changkook Ryu; Jörg Rinklebe; Daniel C.W. Tsang; Yong Sik Ok (Science of The Total Environment, 2026)