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Friday, May 15, 2020 | History

1 edition of Releases of recently imported larch casebearer parasites for biological control in the western United States, including relocations of Agathis pumila found in the catalog.

Releases of recently imported larch casebearer parasites for biological control in the western United States, including relocations of Agathis pumila

R. B. Ryan

Releases of recently imported larch casebearer parasites for biological control in the western United States, including relocations of Agathis pumila

by R. B. Ryan

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  • 8 Currently reading

Published by Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture in Portland, Or .
Written in English

    Subjects:
  • Control,
  • Larch casebearer

  • Edition Notes

    Statementby R.B. Ryan ... [et al.].
    SeriesUSDA Forest Service research note PNW -- 290, USDA Forest Service research note PNW -- 290.
    ContributionsPacific Northwest Forest and Range Experiment Station (Portland, Or.)
    The Physical Object
    Pagination8 p. ;
    ID Numbers
    Open LibraryOL25581114M
    OCLC/WorldCa2926547


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Releases of recently imported larch casebearer parasites for biological control in the western United States, including relocations of Agathis pumila by R. B. Ryan Download PDF EPUB FB2

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