%0 Journal Article %T Symbiotic Efficiency of Commercial and Native Rhizobia of Cowpea (Vigna unguiculata L.) in South Western Kenya %A G. N. CheminingĄ¯wa %A J. K. Ngeno %A M. J. Hutchinson %J Journal Information: ISSN: 2456-8864 Frequency: Journal DOI: Peer-review model: Digital Archiving: %D 2018 %R 10.9734/AJAAR/2018/44804 %X Reviewers: %U http://www.sciencedomain.org/abstract/27140