PHONGPAN, S.; SOOKTHONGSA, J. Effect of Urea Management on N Use Efficiency of Lowland Transplanted Rice . Thai Agricultural Research Journal, [S. l.], v. 20, n. 3, p. 250–266, 2002. DOI: 10.14456/thaidoa-agres.2002.20. Disponível em: https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/219374. Acesso em: 2 oct. 2026.