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  1. Studies of sulfur in relation to the soil solution,
    By: Powers, W. L.
    Publication info: Berkeley, Calif.,University of California Press,1927.
    Contributed by: University of California, Davis Libraries (archive.org)
    Subjects: Effect of sulfates on  Plants  Soils  Sulfur  
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  2. Sulphur as a factor in soil fertility ... by John Woodward ...
    By: Woodard, John.
    Publication info: Chicago,1922
    Contributed by: Library of Congress
    Subjects: Soils  Sulfur  
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  3. The toxic property of sulphur,
    By: Young, Harry Curtis,
    Publication info: St. Louis,1922
    Contributed by: Library of Congress
    Subjects: Fungicides  Sulfur  
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