Biochar-derived dissolved organic matter induced changes in the bacterial communities structure and metabolic functions in As and Cd contaminated soil - Muhammad Azeem; Ruixia Han; Siyao Liu; Kubwimana J. Jacques; Hamada Abdelrahman; Syed S.H. Kazmi; Abdul Kareem; Zulqarnain H. Khan; Nazia Rafiq; Hui Li; Yakov Kuzyakov; Kun Qin (Environmental Research, 2025)