Ezward, Chairil, Tri Nopsagiarti, A. Haitami, Elfi Indrawanis, Gusti Marlina, Haris Susanto, Infitria, and Nikmatul Farisya Imanda. 2025. “Analysis of C-Organic, Nitrogen, and C/N Ratio Contents in Oil Palm Plantations Soil Owned by the People of Pulau Binjai Village, Kuantan Mudik District, Kuantan Singingi Regency, Riau Province ”. JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) 7 (3), 732 -. https://doi.org/10.36378/juatika.v7i3.4772.