Gupta, Atul Kumar, C S Pandey, Vinita V, and Jitendra Kumar, trans. 2011. “Effect of Integrated Nutrient Management on Herbage Yield of Black Henbane (Hyoscyamus Niger L.)”. Open Access Journal of Medicinal and Aromatic Plants 2 (1): 10-14. https://epubs.icar.org.in/index.php/JMAP/article/view/7885.