A. Singh and B. Singh, “Harvest and nutrient management in black henbane (Hyocyamus niger) on sodic soil”, Indian J Agri Sci, vol. 75, no. 12, Dec. 2005, Accessed: Oct. 27, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/9311