“The Role of Foliar Spraying with Zinc Sulfate Solution and the Frequency of Watering on Some Components of Grain Yield in Maize (Zea mays L.)” (2024) Damascus University Journal of agriculture sciences, 40(4). Available at: https://journal.damascusuniversity.edu.sy/index.php/agrj/article/view/8130 (Accessed: 18 June 2026).