Teshome, A.2007-11-121997-04-012007-11-121996http://hdl.handle.net/10625/13308ThesisThesis, Carleton University, 1996Thesis not IDRC supported; author received support for earlier RSAText164 p. : ill.enSORGHUMLAND USEFARMERSENVIRONMENTAL EFFECTSETHIOPIABIODIVERSITYPLANT GENETICSON-FARM RESEARCHCROP YIELDGERMPLASMSTORAGEFactors maintaining sorghum (Sorghum bicolor (L.) moench) landrace diversity in North Shewa and South Welo regions of EthiopiaThesis