“Effect of NPK  Fertilizer and the Treatment With Neutro-Sol  (CaO) in Some    Chemical Growth Traits  of Two Olive Cultivars Olea Europaea L”. Euphrates Journal of Agricultural Science, vol. 15, no. 2, June 2023, pp. 357-74, https://ejs-agri.com/index.php/EJAS/article/view/127.