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Planting Season for Sugar Beets in Central California
Albert Julius Winkler
Edwin Coblentz Voorhies
Ellis Adolph Stokdyk
Elmer William Braun
Floyd Howard Wymore
George Haymaker Vansell
Henry Albert Jones
Howard Samuel Fawcett
Katherine Esau
William Russell Hinshaw
出版
Agricultural Experiment Station
, 1931
URL
http://books.google.com.hk/books?id=edBQAQAAMAAJ&hl=&source=gbs_api