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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Hildebrand, D.M. - Dinkel, G.B.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: chloropicrin  dazomet  Forest nurseries  Fusarium  Juniperus virginiana  methyl bromide  Nebraska  Pest Control  plant parasitic nematodes  Pythium  Solar heating  Weeds