The Relationship Between Hydrogen Peroxide, Zinc, and Humic Fulvic Acid in some of Elemental Content in Barley Plant (Hordeum vulgare L.). cbej [Internet]. 2022 Dec. 7 [cited 2024 Jul. 18];24(102):15-26. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/6389