International Maize and Wheat Improvement Center2010-06-192010-06-1919810304-548Xhttp://hdl.handle.net/10625/43849Text98 p. : ill.enMAIZESORGHUMAGRICULTURAL RESEARCHPLANT BREEDINGCROP YIELDCULTIVATION TECHNIQUESPLANT DISEASESPESTS OF PLANTSAGRICULTURAL TRAININGREGIONAL DEVELOPMENTCIMMYT report on maize improvement, 1980-81Annual Report