Effects of Cow Manure and Inorganic Fertilizer on Yield and Quality of Walga Oats (Avena sativa L.) in Choman Guduru District, Western Oromia, Ethiopia Bacha Asefa, Negasa Tamasgen*, Firisa Woyessa, 10.57647/JRS.2026.1602.18 Requires Subscription PDF downloads: 81