FAHMI, A.; RADJAGUKGUK, B.; PURWANTO, B. H. Kelarutan Fosfat dan Ferro pada Tanah Sulfat Masam yang Diberi Bahan Organik Jerami Padi. JOURNAL OF TROPICAL SOILS, [S. l.], v. 14, n. 2, p. 119–125, 2019. DOI: 10.5400/jts.2009.v14i2.119-125. Disponível em: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/290. Acesso em: 15 jul. 2025.