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Julfan Efendi Nasution, J., Syawal Harahap, F. , Ayu Putri Septyani, I. and Ainy Dalimunthe, B. 2024. Characteristics of Soil Chemical Properties in Several Types of Oil Palm (Elaeis guineensis Jacq.) Land and Shrubs in Negeri Lama Seberang Village (Case Study of Lower Bilah Watershed). International Journal of Science and Environment (IJSE). 4, 1 (Feb. 2024), 6–10. DOI:https://doi.org/10.51601/ijse.v4i1.92.