EBSAN MARIHOT SIANIPAR; SUMIHAR HUTAPEA; SITI MARDIANA. Effects of Oil Palm Trunk Biochar on Nutrient Uptake and Growth Performance of Oil Palm Seedlings in Pre-Nursery . JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA), v. 7, n. 1, p. 281 -, 7 Jan. 2025.