The Influnece of Peat Layer on Hidrogen and Aluminium Concentration Originating from the Substratum Sulphidic Materials. j Trop. Soils [Internet]. 2013 Jan. 25 [cited 2025 Nov. 13];17(3):197-202. Available from: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/152