Effect of Foliar Fertilization with a Mixture of Microelements and Yeast Extract on some Qualitative, Productive Properties of Grapevine (C.V. Al-Helwani). مجلة الجامعة [Internet]. 2022 Dec. 4 [cited 2026 Jun. 6];5(17). Available from: https://journal.hama-univ.edu.sy/huj/article/view/1000