Singh B, Gill RIS, Kaur N. Deficiency of Zinc in Poplar Nursery and Plantations in Punjab and its Amelioration. Indian Forester [Internet]. 2009 Jan. 1 [cited 2025 Jul. 10];135(1):78-83. Available from: https://indianforester.co.in/index.php/indianforester/article/view/311