SAMSIDAR, Samsidar; MAISON, Maison; ERMADANI, Ermadani; LATIEF, Madyawati; PEBRALIA, Jesi; RIANY, Hesti; AMANDA, Dwi Rahma; MAULANA, Lucky Zaehir. X-Ray Fluorescence Monitoring Metal Content and Nutrient Elements for Predicting Soil Fertility Parameters Based on pH in Ultisol Soil. International Journal of Hydrological and Environmental for Sustainability, [S. l.], v. 2, n. 3, p. 104–112, 2023. DOI: 10.58524/ijhes.v2i3.290. Disponível em: https://journal.foundae.com/index.php/ijhes/article/view/290. Acesso em: 4 feb. 2026.