Home Publications & Data Brief Formulating soil fertility decision guides with Ethiopian farmers author(s) Amede, Tilahun published in2007 regions Ethiopia original file download full citation Amede, Tilahun. 2007. Formulating soil fertility decision guides with Ethiopian farmers [on line]. Centro Internacional de Agricultura Tropical (CIAT), Kampala, UG. 2 p. (Highlights: CIAT in Africa no. 40)