S.K. Ghosh, M.M.P.D. and (2013) “Estimation of Critical limit of Zinc for Rice in Terai Soils of West Bengal”, Journal of the Indian Society of Soil Science, 61(2). Available at: https://epubs.icar.org.in/index.php/JISSS/article/view/32803 (Accessed: 19 October 2025).