Showing 1 - 20 results of 26 for search 'Newcomer, E. J. (Erval Jackson), 1890-1980', query time: 0.04s Refine Results
  1. 1
    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
    Government Document Book
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  2. 2
    Orchard insects of the Pacific Northwest and their control.

    Orchard insects of the Pacific Northwest and their control. by Newcomer, E. J. (Erval Jackson), 1890-1980

    Published 1950
    Government Document Book
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  3. 3
    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
    Government Document Book
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  4. 4
    Insect pests of deciduous fruits in the West

    Insect pests of deciduous fruits in the West by Newcomer, E. J. (Erval Jackson), 1890-1980

    Published 1966
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    Online Access
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  5. 5
    Insect pests of deciduous fruits in the West, /

    Insect pests of deciduous fruits in the West, / by Newcomer, E. J. (Erval Jackson), 1890-1980

    Published 1966
    Other Authors: “…Newcomer, E. J. (Erval Jackson), 1890-1980…”
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  6. 6
    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
    Government Document Book
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  7. 7
    The dock false-worm : an apple pest /

    The dock false-worm : an apple pest / by Newcomer, E. J. (Erval Jackson), 1890-1980

    Published 1916
    Government Document Book
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  8. 8
    Experiments with insecticides for codling-moth control /

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

    Published 1932
    Government Document Book
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  9. 9
    Orchard insects of the Pacific Northwest and their control /

    Orchard insects of the Pacific Northwest and their control / by Newcomer, E. J. (Erval Jackson), 1890-1980

    Published 1934
    Government Document Book
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  10. 10
    Studies of fluorine compounds for controlling the codling moth /

    Studies of fluorine compounds for controlling the codling moth / by Newcomer, E. J. (Erval Jackson), 1890-1980

    Published 1933
    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
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  12. 12
    Life history of the codling moth in the Yakima Valley of Washington /

    Life history of the codling moth in the Yakima Valley of Washington / by Newcomer, E. J. (Erval Jackson), 1890-1980

    Published 1924
    Government Document Book
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  13. 13
    Controlling important fungous and insect enemies of the pear in the humid sections of the Pacific Northwest /

    Controlling important fungous and insect enemies of the pear in the humid sections of the Pacific Northwest / by Fisher, D. F.

    Published 1919
    Other Authors: “…Newcomer, E. J. (Erval Jackson), 1890-1980…”
    Government Document Book
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  14. 14
    Pear leaf-worm

    Pear leaf-worm

    Published 1916
    Other Authors: “…Newcomer, E. J. (Erval Jackson), 1890-1980…”
    Government Document Microfilm Book
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  15. 15
    Experiments for control of San Jose scale with lubricating-oil emulsions in Pacific Northwest

    Experiments for control of San Jose scale with lubricating-oil emulsions in Pacific Northwest

    Published 1931
    Other Authors: “…Newcomer, E. J. (Erval Jackson), 1890-1980…”
    Government Document Microfilm Book
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  16. 16
    Dock false-worm Apple pest.

    Dock false-worm Apple pest.

    Published 1916
    Other Authors: “…Newcomer, E. J. (Erval Jackson), 1890-1980…”
    Government Document Microfilm Book
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  17. 17
    Life history of codling moth in Yakima Valley of Washington

    Life history of codling moth in Yakima Valley of Washington

    Published 1924
    Other Authors: “…Newcomer, E. J. (Erval Jackson), 1890-1980…”
    Government Document Microfilm Book
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  18. 18
    Controlling important fungous and insect enemies of pear in humid sections of Pacific Northwest

    Controlling important fungous and insect enemies of pear in humid sections of Pacific Northwest

    Published 1919
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    Government Document Microfilm Book
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  19. 19
    Lubricating-oil sprays for use on dormant fruit trees /

    Lubricating-oil sprays for use on dormant fruit trees / by Quaintance, A. L. (Altus Lacy), 1870-1958

    Published 1931
    Other Authors: “…Newcomer, E. J. (Erval Jackson), 1890-1980…”
    Government Document Book
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  20. 20
    Control of codling moth in Pacific Northwest

    Control of codling moth in Pacific Northwest

    Published 1931
    Other Authors: “…Newcomer, E. J. (Erval Jackson), 1890-1980…”
    Government Document Microfilm Book
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