Determination Of Exchangeability Cations (Ec), Texture And C-Organic Content In Mineral Soils and Peat. ALKIMIA [Internet]. 2023 Mar. 15 [cited 2024 Sep. 17];6(2):268-75. Available from: https://jurnal.radenfatah.ac.id/index.php/alkimia/article/view/14509