Widowati, L.R. and Sukristyonubowo, . 2019. Dynamics of pH, Ferrum and Mangan, and Phosphorus on Newly Opened Paddy Soil having High Soil Organic Matter on Rice Growth. JOURNAL OF TROPICAL SOILS. 17, 1 (May 2019), 1–8. DOI:https://doi.org/10.5400/jts.2012.v17i1.1-8.