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  1. How crops grow. A treatise on the chemical composition, structure and life of the plant, for students of agriculture. With numerous illustrations and tables of analyses. By Samuel W. Johnson.
    By: Johnson, Samuel W.
    Publication info: New York,O. Judd Company,1890.
    Contributed by: Library of Congress
    Subjects: Chemistry, Vegetable  Growth (Plants)  
    BHL Collections: Library of Congress
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