Sharma NK, Singh HP, Dadhwal KS. Nutrient Returns through Litter Fall in <I>Populus deltoides</I> Based Agroforestry System. Indian Forester [Internet]. 2000 Mar. 1 [cited 2025 Dec. 4];126(3):295-9. Available from: http://indianforester.co.in/index.php/indianforester/article/view/3165