GOVINDAN M, SREEKUMAR KM, SUBRAMANIAN M. Response of ginger (Zingiber officinale) to Azospirillum inoculation at different levels of nitrogen application*. Indian J Agri Sci. 2011;79(10). Accessed October 27, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/2526