Singh, Harvendra, and Harendra Singh Bhadoria. “Response of Wheat to Azotobacter, Nitrogen and Sulphur Application in an Alluvial Soil”. Annals of Agricultural Research 34, no. 4 (February 27, 2016). Accessed June 27, 2026. https://epubs.icar.org.in/index.php/AAR/article/view/37870.