Influence of Foliar Application of Boron , Zinc and Humic acid on production of Olive fruit (khodeiry variety), quality of fruit and content of oil. bioscnc [Internet]. 2020 Mar. 4 [cited 2026 May 10];42(1). Available from: https://journal.latakia-univ.edu.sy/index.php/bioscnc/article/view/9491