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  1. By: Cormack, Douglas Villy, - University of Alberta. Department of Physics. - University of Alberta. Department of Soils.
    Publication info: Edmonton, Alberta, University of Alberta, [1950]
    Holding Institution: University of Alberta Library
    Subjects: Effect of sulfur on  Plants  Soils  Sulfur content  Sulfur fertilizers  Sulfur-coated urea fertilizers