M.K. Nehra, and Jitendra Kumar Malik. “Effect of Copper and Zinc As a Supplement Fertilizer on Growth of Radish (Raphanus Sativus) Root and Foliage”. CURRENT HORTICULTURE 12, no. 2 (June 8, 2024): 67–69. Accessed November 21, 2024. https://currenthorticulture.com/index.php/CURHOR/article/view/131.