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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Byars, Luther Parris, - Gilbert, William W. (William Williams),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1920
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: AgSpace  control methods  cultural control  Fungal diseases of plants  heat treatment  hot water treatment  Internet resource  Pest Control  pest management  Root-knot  Soil disinfection  Soil fungi  soil microorganisms