Wubie, Amare Aleminew, Getachew Alemayehu Damot, and HerreroVíctor Flors. “Effect of N, P and Farmyard Manure on Noug (Guizotia Abyssinica Cass.) Yield in Ebinat District”. Journal of Agriculture and Environmental Sciences 1, no. 2 (September 24, 2019). Accessed September 4, 2025. http://journals.bdu.edu.et/index.php/jaes/article/view/172.