Innovative Digital Mapping of Soil Organic Matter Content in Oil Palm Using Image Analysis. - Nila, Ida Ratna; Rahmawati; Fahril, Muhammad Ari; Anda, Sabrian Tri; Putra, Rachmad Almi; Fajriani; Naziah, Afrahun (Indonesian Journal of Agricultural Sciences / Jurnal Ilmu Pertanian Indonesia, 2026)