Jamal Hindi Al-Falahi, ahmed 2021. Effect of Foliar and ground additions of chelated micronutrient in In the concentration of iron and zinc in leaves and tubers Potatoes Solaum tuberosum L. in gypsiferous Soil. College of Basic Education Research Journal. 17, 2 (Jul. 2021), 1419–1446. DOI:https://doi.org/10.33899/berj.2021.168550.