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  1. First principles of soil fertility,
    By: Vivian, Alfred,
    Publication info: New York,O. Judd company; [etc., etc.]1908.
    Contributed by: Library of Congress
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  2. The principles of manuring; an application of chemistry to agriculture
    By: Vivian, Alfred,
    Publication info: Columbus, Ohio,Cott's quick printing house,1904
    Contributed by: Library of Congress
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