“The Effects of Autumn Foliar Spray of Urea on the Productivity and Quality of Apple Golden Delicious and Starking Delicious Cultivars Fruits in the Condition of Dahr Al- Qusair Region Hamah”. 2021. Damascus University Journal of Agriculture Sciences 37 (1). https://journal.damascusuniversity.edu.sy/index.php/agrj/article/view/115.