TSADO, P. A.; LAWAL, B. A.; EZE, P. C.; IGWE, C. A.; OKOLO, C. C.; TSWANYA, M. Phosphate Mobilization by Addition of Organic Acids in Two Soils of the Nigerian Guinea Savanna. Asian Journal of Agriculture and Food Sciences, [S. l.], v. 2, n. 5, 2014. Disponível em: https://www.ajouronline.com/index.php/AJAFS/article/view/1739. Acesso em: 17 aug. 2022.