2024. Effect of Nitrogen Levels on Grain Yield and Protein Content of Malt Barley (Hordeum Vulgare L.) Varieties in Digalu-Tijo District, Southeastern Ethiopia. Arsi Journal of Science and Innovation . 2, 2 (Sep. 2024), 1–22. DOI:https://doi.org/10.20372/3vms-tc45.