Mandal, SC, SK Das, AB lal, and HN Mukherji. “Studies on the Nitrogen Economy and Aggregation of an Upland Soil of South-East Bihar”. Journal of Soil and Water Conservation 4, no. 1 (July 21, 2022). Accessed July 3, 2026. https://epubs.icar.org.in/index.php/JSWC/article/view/125924.