Showing 1 - 20 results of 20 for search 'Yothers, M. A. (Merrill Arthur), 1883-1984', query time: 0.05s Refine Results
  1. 1
    Tree hoppers and their control in the orchards of the Pacific Northwest /

    Tree hoppers and their control in the orchards of the Pacific Northwest / by Yothers, M. A. (Merrill Arthur), 1883-1984

    Published 1930
    Government Document Book
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  2. 2
    Observations on the biology and control of the treehopper Heliria praealta (Fowler) in orchards of the Pacific Northwest /

    Observations on the biology and control of the treehopper Heliria praealta (Fowler) in orchards of the Pacific Northwest / by Yothers, M. A. (Merrill Arthur), 1883-1984

    Published 1941
    Government Document Book
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  3. 3
    Life history of the codling moth in the Rogue River Valley of Oregon /

    Life history of the codling moth in the Rogue River Valley of Oregon / by Yothers, M. A. (Merrill Arthur), 1883-1984

    Published 1931
    Government Document Book
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  4. 4
    Scraping and banding apple trees as a supplementary codling moth control measure in the Pacific Northwest /

    Scraping and banding apple trees as a supplementary codling moth control measure in the Pacific Northwest / by Yothers, M. A. (Merrill Arthur), 1883-1984

    Published 1949
    Government Document Book
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  5. 5
    Tree hoppers and their control in the orchards of the Pacific Northwest /

    Tree hoppers and their control in the orchards of the Pacific Northwest / by Yothers, M. A. (Merrill Arthur), 1883-1984

    Published 1931
    Government Document Book
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  6. 6
    Biology and control of tree hoppers injurious to fruit trees in the Pacific Northwest /

    Biology and control of tree hoppers injurious to fruit trees in the Pacific Northwest / by Yothers, M. A. (Merrill Arthur), 1883-1984

    Published 1934
    Government Document Book
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  7. 7
    Tree hoppers and their control in orchards of Pacific Northwest.

    Tree hoppers and their control in orchards of Pacific Northwest.

    Published 1931
    Other Authors: “…Yothers, M. A. (Merrill Arthur), 1883-1984…”
    Full Text (via ProQuest)
    Government Document eBook
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  8. 8
    Tree hoppers and their control in orchards of Pacific Northwest

    Tree hoppers and their control in orchards of Pacific Northwest

    Published 1931
    Other Authors: “…Yothers, M. A. (Merrill Arthur), 1883-1984…”
    Government Document Microfilm Book
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  9. 9
    Experiments for the control of the European red mite and other fruit-tree mites /

    Experiments for the control of the European red mite and other fruit-tree mites / by Newcomer, E. J. (Erval Jackson), 1890-1980

    Published 1927
    Other Authors: “…Yothers, M. A. (Merrill Arthur), 1883-1984…”
    Government Document Book
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  10. 10
    Experiments with insecticides for codling-moth control /

    Experiments with insecticides for codling-moth control / by Newcomer, E. J. (Erval Jackson), 1890-1980

    Published 1932
    Other Authors: “…Yothers, M. A. (Merrill Arthur), 1883-1984…”
    Government Document Book
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  11. 11
    Biology of the European red mite in the Pacific Northwest /

    Biology of the European red mite in the Pacific Northwest / by Newcomer, E. J. (Erval Jackson), 1890-1980

    Published 1929
    Other Authors: “…Yothers, M. A. (Merrill Arthur), 1883-1984…”
    Search for the full-text version of this title in HathiTrust
    Government Document Book
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  12. 12
    Experiments for the control of the San Jose scale with lubricating-oil emulsions in the Pacific Northwest /

    Experiments for the control of the San Jose scale with lubricating-oil emulsions in the Pacific Northwest / by Newcomer, E. J. (Erval Jackson), 1890-1980

    Published 1931
    Other Authors: “…Yothers, M. A. (Merrill Arthur), 1883-1984…”
    Government Document Book
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  13. 13
    Life history of codling moth in Rogue River Valley of Oregon

    Life history of codling moth in Rogue River Valley of Oregon

    Published 1931
    Other Authors: “…Yothers, M. A. (Merrill Arthur), 1883-1984…”
    Government Document Microfilm Book
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  14. 14
    Control of the codling moth in the Pacific Northwest /

    Control of the codling moth in the Pacific Northwest / by Newcomer, E. J. (Erval Jackson), 1890-1980

    Published 1924
    Other Authors: “…Yothers, M. A. (Merrill Arthur), 1883-1984…”
    Government Document Book
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  15. 15
    Experiments with insecticides for codling-moth control

    Experiments with insecticides for codling-moth control

    Published 1932
    Other Authors:
    Government Document Microfilm Book
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  16. 16
    Experiments for control of European red mite and other fruit-tree mites

    Experiments for control of European red mite and other fruit-tree mites

    Published 1927
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    Government Document Microfilm Book
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  17. 17
    Control of codling moth in Pacific Northwest

    Control of codling moth in Pacific Northwest

    Published 1931
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    Government Document Microfilm Book
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  18. 18
    Biology of European red mite in Pacific Northwest

    Biology of European red mite in Pacific Northwest

    Published 1929
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    Government Document Microfilm Book
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  19. 19
    Control of the codling moth in the Pacific Northwest /

    Control of the codling moth in the Pacific Northwest /

    Published 1929
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    Government Document Book
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  20. 20
    Potato growing in Washington.

    Potato growing in Washington.

    Published 1917
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    Book
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