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

    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 by 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

    High corn yields with irrigation by 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

    Fluid fertilizers : liquids and suspensions by 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

    Micronutrients for vegetables and field crops by 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

    Peats for soil improvement and soil mixes by 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

    Celery production in Michigan by 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

    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 by 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

    Soil organic matter dynamics by 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

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

    Micronutrients for vegetables and field crops by 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

    Managing organic soils to reduce nonpoint pollution by 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

    Peats for soil improvement and soil mixes by 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

    Essential micronutrients. Manganese by 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

    Essential micronutrients. Zinc by 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

    Muck soil management for onion production by 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

    Organic soils : their formation, distribution, utilization and management by 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

    Effect of nitrogen fertilizer on corn yield by 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

    Effect of nitrogen fertilizer on corn yield by 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

    Essential micronutrients. Boron by 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

    Secondary- and micro-nutrients for vegetables and field crops by 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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