KUNDU, S, K K BARMAN, MUNESHWAR SINGH, and P N TAKKAR. “Utilization of 15 N-Labelled Ammonium and Nitrate-N by Soybean (Glycine Max) and Wheat (Triticum Aestivum) Grown in Typic Haplustert”. The Indian Journal of Agricultural Sciences 68, no. 11 (February 25, 2013). Accessed October 28, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/27774.