S Ramesh, M. S. R. S. G. R. (2007). Influence of nitrogen and nitrogen carrier on herbage, oil yield and nitrogen uptake of patchouli [Pogostemon cablin (Blanco) Benth.] in semi-arid tropical condition. Journal of Spices and Aromatic Crops, 16(2), 106–110. Retrieved from https://updatepublishing.com/journal/index.php/josac/article/view/4883