Surendra Singh. “Forms of Acidity and Lime Requirement of Vindhyan Soils in Eastern Uttar Pradesh”. Journal of the Indian Society of Soil Science 71, no. 1 (April 3, 2023): 105–108. Accessed June 5, 2026. https://epubs.icar.org.in/index.php/JISSS/article/view/134979.