PURNOMO, E.; HASEGAWA, T.; HASHIDOKO, Y.; SAPUTRA, P. J.; OSAKI, M. Nitrogen Nutrition of Some Local Rice Varieties Grown without Fertilizer on Acid Sulphate Soil Area in South Kalimantan. JOURNAL OF TROPICAL SOILS, [S. l.], v. 14, n. 1, p. 41–47, 2009. DOI: 10.5400/jts.2009.v14i1.41-47. Disponível em: https://journal.unila.ac.id/index.php/tropicalsoil/article/view/15. Acesso em: 29 jul. 2025.