Extractant efficiency in the solubilization of alternative sources of potassium. Acta Scientiarum. Agronomy, [S. l.], v. 38, n. 3, p. 397–406, 2016. DOI: 10.4025/actasciagron.v38i3.28457. Disponível em: https://www.periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/28457. Acesso em: 31 maio. 2026.