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), pp. 106–110. Available at: https://updatepublishing.com/journal/index.php/josac/article/view/4883 (Accessed: 5 May 2024).