Kumar, M. Dinesh, K.M. Devaraju, and D. Madaiah. 2009. “Effect of Integrated Nutrient Supply on Yield and Uptake of Cardamom (Elettaria Cardamomum L. Maton.)”. Journal of Plantation Crops 37 (2):129-33. https://updatepublishing.com/journal/index.php/JPC/article/view/5951.