Quantification of Heterotrophic Bacteria and Azospirillum from the Rhizosphere of Taro (Colocasia esculenta L. Schott.) and the Nitrogen Fixing Potential of Isolated Azospirillum

S. N. Jolly, N. A. Shanta and Zahed U.M. Khan

International Journal of Botany 6 ( 2 ): 117 - 121 , 2010