MUHAMMAD RIZWAN; FS, H. Provision of Urea Fertilizer and Chicken Manure on Chemical Characteristics of Inceptisol Soil in Pangkatan District. Jurnal Online Pertanian Tropik, [S. l.], v. 8, n. 3, p. 215–221, 2022. DOI: 10.32734/jopt.v8i3.8226. Disponível em: https://idjpcr.usu.ac.id/jpt/article/view/8226. Acesso em: 4 aug. 2025.