D. R. Sarangi, D. Jena, and A. K. Chatterjee, “Assessment of critical limit of zinc for rice, groundnut and potato in red and laterite soils of Odisha”, ORYZA, vol. 53, no. 3, Dec. 2016, Accessed: Oct. 20, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/OIJR/article/view/71205