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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Martin, Louis B.
    Type: Article
    In: Lasca leaves
    Volume: 3
    Issue: Summer 1953
    Date: 1953
    Page Range: 34-36
    Publication Info: Arcadia, Calif, California Arboretum Foundation, 1950-1976
    Subjects: Monsanto Chemical Company  Soil conditioners