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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Williams, C. F. (Carlos Frost), - United States. Agricultural Research Service. Crops Research Division. - North Carolina Agricultural Experiment Station.
    Publication info: [1961?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  1. By: Williams, C. F. (Carlos Frost),
    Type: Article
    In: Technical bulletin
    Volume: 23
    Series: Technical bulletin (North Carolina Agricultural Experiment Station)
    Date: 1923
    Page Range: 1--31
    Publication Info: Raleigh, The Station,