Ebsan Marihot Sianipar, Sumihar Hutapea and Siti Mardiana 2025. Effects of Oil Palm Trunk Biochar on Nutrient Uptake and Growth Performance of Oil Palm Seedlings in Pre-Nursery . JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA). 7, 1 (Jan. 2025), 281 -. DOI:https://doi.org/10.36378/juatika.v7i1.4131.