@article{leite_seido_passos_xavier_rumjanek_martins_2009,  title={Biodiversity of rhizobia associated with cowpea cultivars in soils of the lower half of the São Francisco River Valley},  volume={33},  ISSN={0100-0683},  url={https://doi.org/10.1590/S0100-06832009000500015},  DOI={10.1590/S0100-06832009000500015},  number={5},  journal={Revista Brasileira de Ciência do Solo},  publisher={Sociedade Brasileira de Ciência do Solo},  author={Leite, Jakson and Seido, Sirando Lima and Passos, Samuel Ribeiro and Xavier, Gustavo Ribeiro and Rumjanek, Norma Gouvêa and Martins, Lindete Míria Vieira},  year={2009},  month={Sep},  pages={1215–1226} }