<![CDATA[Ramadhani, F., Harun, M. U., Yakup, Y., Rusdan, R., Habibulloh, H., Cahya, M., Yunita, Y. (2025). Identification of Dominant Weed Species in Mature (Elaeis guineensis Jacq). Plantations at PT. Kelantan Sakti. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-13 Tahun 2025, Palembangg 20 Oktober 2025. (pp. x–y). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Weeds are one of the main challenges in the cultivation process of oil palm (Elaeis guineensis Jacq.). Weeds are unwanted plants that compete with oil palm for water, nutrients, and light, which impacts low productivity. This study aimed to identify the dominant weed species in the mature oil palm plantation area. The research was conducted at PT. Kelantan Sakti, Tanjung Serang Village, Kayu Agung District, Ogan Komering Ilir Regency, South Sumatra Province, Indonesia. The study took place from June to July 2025. The research used a randomized block design with direct sampling. Data collection was carried out by taking samples from established plots. Observations were made on block A14 H, which consisted of 3 plots, each measuring 2 m x 7 m, arranged randomly. The results found 7 families and 7 species of weeds. The dominant weed species in plot 1 was Pityrogramma calomelanos with an SRD value of 26.39%, while in plots 2 and 3 it was Adiantum latifolium with SRD values of 92.42% and 81.67%, respectively. In conclusion, based on direct visual observation in the field, the dominant weeds are fern species.]]>
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