Hariyappa, N., M. Violet D’Souza, J.S. Nagaraj, M.A. Anantha Kumar, and Jayarama . “Status of Available Major and Micronutrients in the Coffee Soils of Chikmagalur District in Karnataka”. Journal of Plantation Crops 37, no. 3 (October 27, 2009): 232–234. Accessed September 23, 2025. https://www.updatepublishing.com/journal/index.php/JPC/article/view/5979.