The Influnece of Peat Layer on Hidrogen and Aluminium Concentration Originating from the Substratum Sulphidic Materials - Fahmi, Arifin; Indonesian Swampland Agriculture Research Institute (ISARI), Jl. Kebun Karet, Loktabat Utara Banjarbaru, South Kalimantan (UNIVERSITY OF LAMPUNG, 2018)