Ariyarathna TDS, Najim MMM, Ammouneh H, Majeed UA, Gunaratne D, Disanayaka S. Impacts of oil palm cultivation on spatial variations in soil properties in an oil palm cultivated land in Kalutara, Sri Lanka. Sains Tanah J. Soil Sci. Agroclimatology. 2025;22(2):489-499. doi:10.20961/stjssa.v22i2.107533