UZOH, I.; BABALOLA, O. . Review on increasing iron availability in soil and its content in cowpea (<i>Vigna unguiculata</i>) by plant growth promoting rhizobacteria. African Journal of Food, Agriculture, Nutrition and Development, [S. l.], v. 20, n. 3, p. 15779–15799, 2020. DOI: 10.18697/ajfand.91.18530. Disponível em: https://www.ajol.info/index.php/ajfand/article/view/196383. Acesso em: 15 sep. 2026.