R K Pal, C S Pandey, A K Gupta, H V Puranik,. “Effect of Integrated Nutrient Management on Nutrients Availability and Uptake by Black Henbane (Hyoscyamus Niger L.) in Tarai Region of Uttarakhand”. Journal of Spices and Aromatic Crops 23, no. 1 (June 24, 2014): 86–90. Accessed September 24, 2025. https://www.updatepublishing.com/journal/index.php/josac/article/view/5098.