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  1. A comparative study of the effect of cumarin and vanillin on wheat grown in soil,
    By: Davidson, Jehiel,
    Publication info: Washington, D.C.,1915
    Contributed by: Library of Congress
    Subjects: Cumarin  Soils  Vanillin  Wheat  
    BHL Collections: Library of Congress
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  2. Field test with a toxic soil constituent : vanillin /
    By: Skinner, J. J.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1915.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Toxicity testing  Vanillin  
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