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A Study of Factors Influencing Floral Initiation and Seedstalk Development in the Onion, Allium Cepa Linn

George W. Woodbury

出版	Agricultural Experiment Station of the University of Idaho, 1950
URL	http://books.google.com.hk/books?id=d4IkAQAAMAAJ&hl=&source=gbs_api