The Growth of Oil Palm Seedlings using a Combination Medium of Organic Oil Palm Empty Fruit Bunch and NPK Fertilizer at Main Nursery. j Trop. Soils [Internet]. 2020 May 19 [cited 2025 Nov. 17];25(2):61-9. Available from: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/332