Cowpea symbiotic efficiency, pH and aluminum tolerance in nitrogen-fixing bacteria . Scientia Agricola, [S. l.], v. 71, n. 3, p. 171–180, 2014. DOI: 10.1590/S0103-90162014000300001. Disponível em: https://www.revistas.usp.br/sa/article/view/85013.. Acesso em: 29 apr. 2024.