Vargas, M.A.T. 2014. Competitiveness and rhizosphere colonization of Bradyrhizobium sp. strains on chickpea. Pesquisa Agropecuaria Brasileira. 25, 4 (Apr. 2014), 599–607. DOI:https://doi.org/10.1590/S1678-3921.pab1990.v25.13471.