Rhizosphere pH and phosphorus forms in an Oxisol cultivated with soybean, brachiaria grass, millet and sorghum . Scientia Agricola, [S. l.], v. 69, n. 4, p. 259–264, 2012. DOI: 10.1590/S0103-90162012000400004. Disponível em: https://www.revistas.usp.br/sa/article/view/22734.. Acesso em: 5 may. 2024.