Veronika, N., Wahyuni, S., Deli, N.A., Rahmat, H.K. and Mamah, B. 2026. Turning Waste into Value: Biodecomposition of Oil Palm Trunk Biomass for Sustainable Compost Fertilizer Production. Nucleus Journal. 5, 1 (May 2026), 1–14. DOI:https://doi.org/10.32492/nucleus.v5i1.5101.