Search Results - Gardner, Robert Alexander

  • Showing 1 - 9 results of 9
Refine Results
  1. 1
    Cover Image

    The use of sugar beet petioles as indicators of soil fertility needs by Gardner, Robert Alexander

    Published 1935
    Online Access
    Government Document Electronic eBook

    Save to List
    Saved in:
  2. 2
    Cover Image

    Nitric nitrogen in the soils of the Arkansas valley by Gardner, Robert Alexander

    Published 1934
    Online Access
    Government Document Electronic eBook

    Save to List
    Saved in:
  3. 3
    Cover Image

    Slick spots in western Colorado soils by Gardner, Robert Alexander

    Published 1937
    Online Access
    Government Document Electronic eBook

    Save to List
    Saved in:
  4. 4
    Cover Image

    The nitrogen requirement of sugar beets by Gardner, Robert Alexander

    Published 1942
    Online Access
    Government Document Electronic eBook

    Save to List
    Saved in:
  5. 5
    Cover Image

    Why is subsoil unproductive? / by Gardner, Robert Alexander

    Published 1941
    Online Access
    Government Document eBook

    Save to List
    Saved in:
  6. 6
    Cover Image

    Some soil properties related to the sodium salt problem in irrigated soils / by Gardner, Robert Alexander

    Published 1945
    Government Document Book

    Save to List
    Saved in:
  7. 7
    Cover Image

    Soil survey, Bakersfield area, California / by Cole, Ralph C. (Ralph Chase), 1901-, Gardner, Robert Alexander, Koehler, Leighton Francis, 1908-, Anderson, A. C. (Alfred Conrad), 1887-1947, Bartholomew, O. F. (Oscar FitzAllen), 1906-1995

    Published 1945
    Government Document Book

    Save to List
    Saved in:
  8. 8
    Cover Image

    Comparison of methods for estimating available phosphorus in alkaline calcareous soils / by Hockensmith, R. D. (Roy Douglas), 1905-1981

    Published 1933
    Other Authors: “…Gardner, Robert Alexander…”
    Connect to online resource
    Government Document eBook

    Save to List
    Saved in:
  9. 9
    Cover Image

    Soil survey, Kings County, California : [with list of literature cited] / by Retzer, John Leonard, 1910-

    Published 1946
    Other Authors: “…Gardner, Robert Alexander…”
    Government Document Book

    Save to List
    Saved in:
Search Tools: RSS Feed – Save Search