ANWAR, S.; MURTILAKSONO, K. .; NUGROHO, B. .; RAHUTOMO, S. . Potassium Use Efficiency of Natural Zeolite-Based Potassium Fertilizer in Oil Palm Seedlings (Elaeis guineensis Jacq.) Using Peat Soil Media. Jurnal Penelitian Kelapa Sawit, [S. l.], v. 31, n. 3, p. 139–152, 2023. DOI: 10.22302/iopri.jur.jpks.v31i3.246. Disponível em: https://jurnalkelapasawit.iopri.org/index.php/jpks/article/view/246. Acesso em: 4 sep. 2026.