M. D. S. D. D.R. Biswas and Kuldeep Kumar, “Effect of Organic Sources on Phosphorus Fractions and Available Phosphorus in Typic Haplustept”, JISSS, vol. 62, no. 1, May 2014, Accessed: Jun. 06, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/JISSS/article/view/41252