and S. Srinivas, L.N.K.N. (2014) “Rubber-growing Areas of Kerala and Tamil Nadu: Soil Related Constraints to Rubber Productivity and Delineation of Soil Management Units”, Journal of the Indian Society of Soil Science, 62(1). Available at: https://epubs.icar.org.in/index.php/JISSS/article/view/41249 (Accessed: 6 June 2026).