Study the addition of biofertilizer , liquid organic fertilizer and foliar spraying of nano-liquid organic fertilizer on some chemical traits on grapevine " French black" cultivar. EJAS [Internet]. 2023 Sep. 10 [cited 2026 Nov. 12];15(3):400-27. Available from: https://ejs-agri.com/index.php/EJAS/article/view/145