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By: Howard, Gene S., - Brown, G. B. (Gerald B.), - Cheyenne Horticultural Field Station (Wyo.) - United States. Agricultural Research Service.Edition:Publication info: [Beltsville, Md.], U.S. Dept. of Agriculture, Agricultural Research Service, 1962Volume: no.34-39Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: