TY - PRO AU - Regassa Ensermu AU - Kefyalew,A. AU - Mwangi,W.M. AU - Tanner,D.G.|Mwangi,W.M. TI - On-farm verification of improved bread wheat varieties and management practices in Gojam Region of Ethiopia PY - 1992/// CY - Nakuru (Kenya) PB - CIMMYT KW - Ethiopia KW - Herbicides KW - AGROVOC KW - Prices KW - Production factors KW - Wheat KW - Yields ER -