Search results for: Lucas, Robert E. (Robert Elmer), 1916-

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  1. 1

    The effects of copper applied to organic soil alone and in association with manganese and zinc, on composition of crops and reactions in the soil

    Authors: Lucas, Robert E. (Robert Elmer), 1916-
    Published: 1947
    Physical Description: 6 unnumbered pages, 83 leaves : illustrations ; 29 cm
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  2. 2

    High corn yields with irrigation

    Authors: Lucas, Robert E. (Robert Elmer), 1916-
    Published: Cooperative Extension Service, Michigan State University, 1977
    Physical Description: 8 pages, 2 unnumbered pages : illustrations (some color).
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  3. 3

    Fluid fertilizers : liquids and suspensions

    Authors: Lucas, Robert E. (Robert Elmer), 1916-
    Published: Cooperative Extension Service, Michigan State University, 1984
    Physical Description: 3 pages, 1 unnumbered page.
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  4. 4

    Micronutrients for vegetables and field crops

    Authors: Lucas, Robert E. (Robert Elmer), 1916-
    Published: Cooperative Extension Service, Michigan State University, 1967
    Physical Description: 13 pages : illustrations.
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  5. 5

    Peats for soil improvement and soil mixes

    Authors: Lucas, Robert E. (Robert Elmer), 1916-
    Published: Cooperative Extension Service, Michigan State University, 1965
    Physical Description: 11 pages : illustrations (some color).
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  6. 6

    Celery production in Michigan

    Authors: Lucas, Robert E. (Robert Elmer), 1916-
    Published: Cooperative Extension Service, Michigan State University, 1956
    Physical Description: 26 pages : illustrations.
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  7. 7

    The effects of copper applied to organic soil alone and in association with manganese and zinc, on composition of crops and reactions in the soil

    Authors: Lucas, Robert E. (Robert Elmer), 1916-
    Published: 1947
    Physical Description: 1 online resource (6 unnumbered pages, 83 pages) : illustrations
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  8. 8

    Soil organic matter dynamics

    Authors: Lucas, Robert E. (Robert Elmer), 1916-
    Published: Michigan State University, Agricultural Experiment Station, 1978
    Physical Description: 1 online resource (11 pages, 1 unnumbered pages) : illustrations, map.
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  9. 9

    Organic soils (histosols) : formation, distribution, physical and chemical properties and management for crop production

    Authors: Lucas, Robert E. (Robert Elmer), 1916-
    Published: Michigan State University, Agricultural Experiment Station, 1982
    Physical Description: 1 online resource (77 pages, 3 unnumbered pages) : illustrations, map, plans.
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  10. 10

    Micronutrients for vegetables and field crops

    Authors: Lucas, Robert E. (Robert Elmer), 1916-
    Published: Cooperative Extension Service, Michigan State University, 1964
    Physical Description: 1 online resource (11 pages,, 1 unnumbered page) : illustrations.
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  11. 11

    Managing organic soils to reduce nonpoint pollution

    Authors: Lucas, Robert E. (Robert Elmer), 1916-, Warncke, D. D.
    Published: Cooperative Extension Service, Michigan State University, 1985
    Physical Description: 1 online resource (4 unnumbered pages) : illustrations.
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  12. 12

    Peats for soil improvement and soil mixes

    Authors: Lucas, Robert E. (Robert Elmer), 1916-, Rieke, P. E. (Paul E.)
    Published: Cooperative Extension Service, Michigan State University, 1971
    Physical Description: 1 online resource ([ii], 11 pages, 1 unnumbered page) : illustrations.
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  13. 13

    Essential micronutrients. Manganese

    Authors: Robertson, Lynn Shelby, 1916-
    Published: Cooperative Extension Service, Michigan State University, 1976
    Other Authors: “…Lucas, Robert E. (Robert Elmer), 1916-…”
    Physical Description: 3 pages, 1 unnumbered page.
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  14. 14

    Essential micronutrients. Zinc

    Authors: Robertson, Lynn Shelby, 1916-
    Published: Cooperative Extension Service, Michigan State University, 1976
    Other Authors: “…Lucas, Robert E. (Robert Elmer), 1916-…”
    Physical Description: 4 unnumbered pages.
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  15. 15

    Muck soil management for onion production

    Authors: Harmer, Paul M., 1888-1959
    Published: Michigan State College Cooperative Extension Service, 1955
    Other Authors: “…Lucas, Robert E. (Robert Elmer), 1916-…”
    Physical Description: 27 pages : illustrations (some color).
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  16. 16

    Organic soils : their formation, distribution, utilization and management

    Authors: Davis, J. F. (John Frederick), 1908-1975
    Published: Department of Soil Sciences, Agricultural Experiment Station, Michigan State University, 1959
    Other Authors: “…Lucas, Robert E. (Robert Elmer), 1916-…”
    Physical Description: 1 online resource (155 pages, 1 unnumbered pages) : illustrations.
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  17. 17

    Effect of nitrogen fertilizer on corn yield

    Authors: Vitosh, M. L., Black, J. Roy
    Published: Cooperative Extension Service, Michigan State University, 1979
    Other Authors: “…Lucas, Robert E. (Robert Elmer), 1916-…”
    Physical Description: 1 online resource (5 pages, 1 unnumbered page) : illustrations.
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  18. 18

    Effect of nitrogen fertilizer on corn yield

    Authors: Vitosh, M. L.
    Published: Cooperative Extension Service, Michigan State University, 1974
    Other Authors: “…Lucas, Robert E. (Robert Elmer), 1916-…”
    Physical Description: 6 unnumbered pages : illustrations.
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  19. 19

    Essential micronutrients. Boron

    Authors: Robertson, Lynn Shelby, 1916-
    Published: Cooperative Extension Service, Michigan State University, 1976
    Other Authors: “…Lucas, Robert E. (Robert Elmer), 1916-…”
    Physical Description: 4 unnumbered pages.
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  20. 20

    Secondary- and micro-nutrients for vegetables and field crops

    Authors: Vitosh, M. L.
    Published: Cooperative Extension Service, Michigan State University, 1973
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    Physical Description: 19 pages : color illustrations.
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