FS, Harahap; ARMAN, Iman; HARAHAP, Nurliana; FAUZI AHMAD, Syawaluddin. Provision of Urea Fertilizer and Organic Fertilizer of Rice Husk Charcoal on the Growth of Oil Palm Seeds. Jurnal Online Pertanian Tropik, [S. l.], v. 9, n. 2, p. 170–174, 2022. DOI: 10.32734/jopt.v9i2.9534. Disponível em: https://idjpcr.usu.ac.id/jpt/article/view/9534. Acesso em: 19 dec. 2025.