“Effect of Nitrogen Fixing Bacteria Azotobacter and Azospirillum on the Growth of Rosa Polyantha”, Int. J. Emerg. Trends Sci. Technol., vol. 1, no. 07, Sep. 2014, Accessed: Sep. 28, 2026. [Online]. Available: http://igmpublication.com/ijetst.in/index.php/ijetst/article/view/327