“Effect of Copper and Zinc As a Supplement Fertilizer on Growth of Radish (Raphanus Sativus) Root and Foliage ”. Current Horticulture 12, no. 2 (January 30, 2024): 67–69. Accessed January 20, 2026. https://journals.acspublisher.com/index.php/chr/article/view/15389.