D. Stella, D. Sangeetha,. “Effect of Nitrogen Fixing Microorganisms and Organic Manures on the Biomass Production of Vetiver (Vetiveria Zizanioides)”. Journal of Phytology 1, no. 5 (October 3, 2009). Accessed November 1, 2025. https://updatepublishing.com/journal/index.php/jp/article/view/2036.