N. K. Sharma, R. Ranjan, M. Pramanik, and N. M. Alam, “Dynamics of soil physical and chemical properties under wheat (Triticum aestivum L.) - poplar (Populus deltoides M.) based agroforestry system”, Indian J. Agroforest., vol. 18, no. 2, Aug. 2020, Accessed: Oct. 28, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJA/article/view/103200