Working Document Series Open Access Estimation of Teff Yield Using Remote Sensing and GIS Techniques in Tigray Region, Northern Ethiopia G. Yohannes Zenebe Teff is one of the most important cereal crops in Ethiopia where about 66% of the population relies on it for food. . It is a glutenfree food crop which has attracted much interest in the international market. Forecasting Teff crop yield w… RUF-33002 2012 CC BY 4.0 20 May 2014