K. SINGH, E. YOSHIMURA, K. KANAZAWA, P. C. SUDHAKAR, and S. MORI, “Effect of organic acid ligands on nutrient mobilization from volcanic acid soils”, Indian J Agri Sci, vol. 71, no. 12, May 2014, Accessed: Oct. 25, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/40509