SANDHU, KANWALJEET, and R L BANSAL. “Evaluation of Soil-Test Methods for Predicting Iron Availability to Sorghum (Sorghum Bicolor) in Alluvial Soils of Punjab, India”. The Indian Journal of Agricultural Sciences 71, no. 12 (May 8, 2014). Accessed October 24, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/40508.