HARIZANOVA, Milena; NENOVA, Lyuba; BENKOVA, Maya; SIMEONOVA, Tsetska; ATSENOVA, Milchena; ATANASSOVA, Irena. Impact of biochar on the mobility of heavy metals in reclaimed sites from mining activities in the Medet mine area. Bulgarian Journal of Agricultural Science, Sofia, BG, v. 32, n. 3, p. 588–600, 2026. DOI: 10.61308/9xkk4492. Disponível em: https://agriacad.eu/ojs/index.php/bjas/article/view/6889.. Acesso em: 9 nov. 2026.