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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
31

Assessment of nitrogen efficiency in maize due to soil compaction and changes in soil physical properties /

Stinghen, Geovanne Silva. January 2004 (has links)
Thesis (M.S.)--University of Missouri-Columbia, 2004. / Typescript. Includes bibliographical references. Also available on the Internet.
32

Assessment of nitrogen efficiency in maize due to soil compaction and changes in soil physical properties

Stinghen, Geovanne Silva. January 2004 (has links)
Thesis (M.S.)--University of Missouri-Columbia, 2004. / Typescript. Includes bibliographical references. Also available on the Internet.
33

Arkansas soils information system (ARK-SIS) : an interactive, web-based soils information system using digital geographic soils databases /

Sparks, Kelly Christina. January 2000 (has links)
Thesis (M.S.)--University of Arkansas, Fayetteville, 2000. / "August 2000." Includes bibliographical references (leaves 74-76).
34

Characterization and quality of soils developing on a mountaintop removal coal mine

Thomas, Kevin A., January 2001 (has links)
Thesis (M.S.)--West Virginia University, 2001. / Title from document title page. Document formatted into pages; contains 149 p. : ill. (some col.), map (part col.). Vita. Includes abstract. Includes bibliographical references (p. 66-71).
35

An empirical approach for better estimating soil organic carbon and bulk density using a fixed-volume sampling method /

Ficklin, Robert L. January 2002 (has links)
Thesis (Ph. D.)--University of Missouri-Columbia, 2002. / Typescript. Vita. Includes bibliographical references (leaves 121-129). Also available on the Internet.
36

An empirical approach for better estimating soil organic carbon and bulk density using a fixed-volume sampling method

Ficklin, Robert L. January 2002 (has links)
Thesis (Ph. D.)--University of Missouri-Columbia, 2002. / Typescript. Vita. Includes bibliographical references (leaves 121-129). Also available on the Internet.
37

Reflectance and temperature characteristics of semiarid rangeland surfaces

Turner, Georgia Reavis. January 1984 (has links) (PDF)
Thesis (M.S. - Soils, Water and Engineering)--University of Arizona, 1984. / Includes bibliographical references (leaves 67-69).
38

Effect of water quality on plant production on Cajon soils

Billy, Bahe, January 1964 (has links) (PDF)
Thesis (M.S. - Agricultural Chemistry and Soils)--University of Arizona. / Includes bibliographical references (leaves 93-99).
39

Management and landscape influences on soil organic carbon in the Southern Piedmont and Coastal Plain

Causarano-Medina, Héctor Javier, Franzluebbers, Alan J. Shaw, Joey N. January 2006 (has links) (PDF)
Dissertation (Ph.D.)--Auburn University, 2006. / Abstract. Vita. Includes bibliographic references.
40

The effect of logging and slash burning on certain physical properties of forest soils /

Dyrness, C. T. January 1956 (has links)
Thesis (M.S.)--Oregon State College, 1956. / Typescript. Includes bibliographical references (leaves 80-85). Also available on the World Wide Web.

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