Vijayaraghavakumar, S.M.M.M.M.A.S.J.J. and (2015) “Soil Nutrient Dynamics of Mature Rubber (Hevea brasiliensis Muell. Arg.) Plantation in Relation to Phenology and Growing Environment”, Journal of the Indian Society of Soil Science, 62(4). Available at: https://epubs.icar.org.in/index.php/JISSS/article/view/47182 (Accessed: 25 October 2025).