Ikhsan, A., Sembiring, M., & Mawarni, L. (2026). The Role of Mycorrhizal and Humic Acid Biofertilizers in Supporting the Growth of Oil Palm Seedlings (Elaeis guineensis Jacq.) in the Main Nursery Stage on Ultisol Soil . JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA), 8(2), 752 -. https://doi.org/10.36378/juatika.v8i2.5418