RESPONSE OF ONION (ALLIUM CEPA L.) TO DEFICIT IRRIGATION UNDER SURFACE AND DRIP IRRIGATION METHODS IN THE CENTRAL RIFT VALLEY OF ETHIOPIA. J. Sci. Innov. Nat. Earth [Internet]. 2022 Dec. 25 [cited 2025 Apr. 3];2(4). Available from: https://jsiane.com/index.php/files/article/view/158