Search Results - Zook, L. L.

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  1. 1
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    Crop rotation and tillage experiments at the North Platte (Nebr.) substation, 1907-34 / by Zook, L. L.

    Published 1950
    Government Document Book

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  2. 2
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    Tests of corn varieties on the Great Plains / by Zook, L. L.

    Published 1915
    Government Document Book

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  3. 3
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    Corn growing under droughty conditions / by Hartley, C. P. (Charles Pinckney), 1870-1954

    Published 1916
    Other Authors: “…Zook, L. L.…”
    Government Document Book

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  4. 4
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    Corn growing under droughty conditions

    Published 1916
    Other Authors: “…Zook, L. L.…”
    Government Document Microfilm Book

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  5. 5
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    Tests of corn varieties on Great Plains

    Published 1915
    Other Authors: “…Zook, L. L.…”
    Government Document Microfilm Book

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  6. 6
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    Crossbreeding corn / by Hartley, C. P. (Charles Pinckney), 1870-1954

    Published 1912
    Other Authors: “…Zook, L. L.…”
    Government Document Book

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