K. Kannan, “Effect of irrigation method, drip irrigation regimes and fertigation schedules on growth and yield of medicinal coleus (Coleus forskohlii)*”, Indian J Agri Sci, vol. 78, no. 7, Jul. 2008, Accessed: Jul. 04, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/9830