Thangavel, Ramesh, et al. “Effect of Submergence and Phosphatic Fertilizers on Phosphate Potentials - A Measure of Phosphorus Availability in Acid Soils of Karnataka”. Indian Journal of Hill Farming, vol. 32, no. 1, Oct. 2019, https://epubs.icar.org.in/index.php/IJHF/article/view/94780.