SOELAEMAN, Y.; HARYATI, U. Quality of Soil and Yield of Food Crops in Ultisols Due to Application of Manure and Source of Phosphate Fertilizer. JOURNAL OF TROPICAL SOILS, [S. l.], v. 17, n. 1, p. 45–52, 2019. DOI: 10.5400/jts.2012.v17i1.45-52. Disponível em: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/318. Acesso em: 19 jul. 2025.