Biochar reduces the mobility of Pb and Cd while decreasing micronutrient availability in soil impacted by metallurgical waste. Acta Scientiarum. Agronomy, [S. l.], v. 48, n. 1, p. e77694, 2026. DOI: 10.4025/actasciagron.v48.i1.77694. Disponível em: https://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/77694. Acesso em: 1 jun. 2026.