Carneiro, Adilson Martins, and Johanna Döbereiner. 2014. “Survival of Non-Symbiotic Nitrogen-Fixing Bacteria in the Rhizosphere of Sorghum (<i>Sorghum vulgare< I> Pers.)”. Pesquisa Agropecuaria Brasileira 3 (1):151-57. https://doi.org/10.1590/S1678-3921.pab1968.v3.17873.