[1]
“MICRO-NUTRIENT FORMULATIONS FOR AGRICULTURE Part-H. Copper, Zinc, Manganese and Chromium Preparation”, Pakistan Journal of Scientific & Industrial Research, vol. 37, no. 8, pp. 326–329, Jun. 2022, Accessed: Mar. 11, 2026. [Online]. Available: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/2703