Singh, Baljit, Sunpreet Singh, and Smriti Chaudhary. “Physico-Chemical Properties and Fractions of Organic Carbon and Nitrogen in the Soil under Twenty-Year-Old Tree Species”. Indian Journal of Agroforestry 23, no. 2 (December 31, 2021). Accessed October 19, 2025. https://epubs.icar.org.in/index.php/IJA/article/view/119674.