Majumdar, Sabyasachi, Samborlang K Wanniang, and Umakanta Behera. “Acid Soil Management in North Eastern Hill Region of India”. Indian Farming 72, no. 3 (March 9, 2022). Accessed October 27, 2025. https://epubs.icar.org.in/index.php/IndFarm/article/view/113461.