Agustiani, R.; Kurniawati, N.; Arifin, samsul; Andanu, O. Mapping of Soil PH and NPK Nutrients on Peat Agricultural Land in Kalampangan Village, Palangka Raya City. J. Il. Tan. Lingk. 2025, 27 (1), 16-23. https://doi.org/10.29244/jitl.27.1.16-23.