2025. THE EFFECT OF RICE HUSK BIOCHAR AND CHICKEN MANURE COMPOSTON THE GROWTH OF OIL PALM SEEDLINGS(Elaeis guineensis Jacq.) IN ULTISOL SOIL. Journal of Agro Plantation (JAP). 4, 2 (Oct. 2025), 416–430. DOI:https://doi.org/10.58466/3cdkcx68.