SudadiU., RamadhanL.M.A.H., NugrohoB. and HartonoA. 2019. Dynamics of Phosphorus Fractions and Chemical Properties of Paddy Soils as related to Paddy Rice Cropping Index and Irrigation Practices: Dinamika Fraksi Fosfor dan Sifat Kimia Tanah Sawah Terkait Indeks Pertanaman Padi Sawah dan Praktik Pengairan. Jurnal Ilmu Tanah dan Lingkungan. 19, 1 (Mar. 2019), 19-25. DOI:https://doi.org/10.29244/jitl.19.1.19-25.