N. Khipla, J. Kaur, S. Gosal, R. Gill, and S. Walia, “Integrated nutrient management to improve soil health, nutrient uptake and growth of Poplar (Populus deltoides) seedlings in nursery conditions”, Indian J. Agroforest., vol. 23, no. 2, Dec. 2021, Accessed: Oct. 19, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJA/article/view/119678