Showing 1 - 6 results of 6 for search 'Simkins, C. A.', query time: 0.03s Refine Results
  1. 1
    The Place of flax in the rotation with special reference to soil fertility

    The Place of flax in the rotation with special reference to soil fertility by Martin, W.P

    [Saint Paul, Minn.] : University of Minnesota, Soils Dept., 1957
    Other Authors: “…Simkins, C. A.…”
    Format: Book


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  2. 2
    Phosphorus for Minnesota soils

    Phosphorus for Minnesota soils

    St. Paul, Minnesota : Agricultural Extension Service, University of Minnesota, 1979
    Other Authors:
    Format: Book


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  3. 3
    Nitrogen for Minnesota soils

    Nitrogen for Minnesota soils

    St. Paul, Minnesota : Agricultural Extension Service, University of Minnesota, 1979
    Other Authors:
    Format: Book


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  4. 4
    Potassium for Minnesota soils

    Potassium for Minnesota soils

    [St. Paul, Minnesota] : Agricultural Extension Service, University of Minnesota, 1979
    Other Authors:
    Format: Book


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  5. 5
    Sulphur for Minnesota soils

    Sulphur for Minnesota soils

    St. Paul, Minnesota : Agricultural Extension Service, University of Minnesota, 1979
    Other Authors:
    Format: Book


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  6. 6
    British intelligence in the Second World War

    British intelligence in the Second World War by Hinsley, F. H. (Francis Harry), 1918-

    London : H.M. Stationery Off., 1979
    Other Authors:
    Format: Book


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