KHUSRIZAL. KINDS OF ORGANIC MATTER AND CALCITE CONTRIBUTION ON THE CHANGE OF IRON AND MANGANESE IN SOIL AND UPTAKE BY MAIZE AT NORTH ACEH INCEPTISOL. Jurnal Online Pertanian Tropik, [S. l.], v. 2, n. 2, p. 124–131, 2015. DOI: 10.32734/jopt.v2i2.2894. Disponível em: https://idjpcr.usu.ac.id/jpt/article/view/2894. Acesso em: 5 aug. 2025.