Mitigating Heavy Metal Toxicity In Maize Under Contaminated Soil Using Spent Mushroom Substrate Biochar And Growth-Promoting Rhizobia. Annual Methodological Archive Research Review, [S. l.], v. 4, n. 4, p. 552–565, 2026. DOI: 10.66021/. Disponível em: https://www.amresearchjournal.com/index.php/Journal/article/view/2219. Acesso em: 13 oct. 2026.