Effects of phosphorus on biological nitrogen fixation in soybean under irrigation using saline water. Global Journal of Science Frontier Research, [S. l.], v. 12, n. D1, p. 65–72, 2012. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/102070. Acesso em: 6 feb. 2026.