Symbiotic effectiveness of Zambian Bradyrhizobium spp. with U.S. soya bean cultivars. Tropical Agriculture, [S. l.], v. 71, n. 1, 1994. Disponível em: https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/2655. Acesso em: 7 dec. 2024.