Durai, M.V. et al. 2009. Nutrient Harvest through Pruned Material and whole Tree in <I>Populus deltoides</I> Based Agrisilviculture Systems in Central Punjab. Indian Forester. 135, 12 (Dec. 2009), 1716–1723. DOI:https://doi.org/10.36808/if/2009/v135i12/627.