“Effects of Different Levels of Zinc on Growth and Yield of Red Amaranth (Amaranthus sp.) and Rice (Oryza Sativa, Variety-BR49)”. Journal of the Bangladesh Association of Young Researchers 1, no. 1 (February 7, 2011): 79–91. Accessed July 3, 2026. https://banglajol.info/index.php/JBAYR/article/view/6836.