1.
B.K. Agrawal and Pankaj Sharma MSRW. Biological N2 Fixation in Soybean and Contribution to Soil in a 40-Year-Old Experiment on Alfisols of Ranchi. JISSS. 2014;62(1). Accessed June 6, 2026. https://epubs.icar.org.in/index.php/JISSS/article/view/41246