S. K. SINGH, R. SINGH, and S. SINGH, “Yield and yield attributes of greengram (Phaseolus radiatus) in response to sulphur level”, Indian J Agri Sci, vol. 64, no. 6, Apr. 2013, Accessed: Oct. 25, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/29240