Oksana, Oksana, Hermansah Hermansah, Agustian Agustian, and Syafrimen Yasin. 2026. “Soil Sulfur Status of Inceptisols in Oil Palm Plantations in Riau, Indonesia ”. Journal of Applied Agricultural Science and Technology 10 (4):706-19. https://doi.org/10.55043/jaast.v10i4.525.