MASJKUR, M. Correlation between Soil Test Phosphorus of Kaolinitic and Smectitic Soils with Phosphorus Uptake of Lowland Rice. JOURNAL OF TROPICAL SOILS, [S. l.], v. 14, n. 3, p. 205–209, 2009. DOI: 10.5400/jts.2009.v14i3.205-209. Disponível em: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/87. Acesso em: 31 jul. 2025.