NURHIDAYATI, N.; MARIATI, M. Utilization of maize cob biochar and rice husk charcoal as soil amendment for improving acid soil fertility and productivity. Journal of Degraded and Mining Lands Management, Malang, Indonesia, v. 2, n. 1, p. 223–230, 2014. DOI: 10.15243/jdmlm.2014.021.223. Disponível em: https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/88. Acesso em: 24 jun. 2024.