Working Document Series Open Access Water Productivity and Evapotranspiration of Teff (Eragrostis tef) Berihun Atakilt Teff is a staple food crop in northern Ethiopia. The main limitation in stabilizing teff yield in northern Ethiopia is the dependency of the farming system on erratic rainfall. Usually, drought stress occurs in the region at the critical p… RUF-31896 2012 CC BY 4.0 12 May 2014