KONGCHUM, M. Soil Nitrate as a Source of Nitrogen for Rainfed and Deep-Flooded Rice. Thai Agricultural Research Journal, [S. l.], v. 17, n. 2, p. 174–184, 1999. DOI: 10.14456/thaidoa-agres.1999.18. Disponível em: https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/228968. Acesso em: 1 oct. 2026.