• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 61
  • 9
  • 8
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 1
  • 1
  • 1
  • 1
  • 1
  • Tagged with
  • 98
  • 98
  • 20
  • 16
  • 12
  • 11
  • 10
  • 10
  • 9
  • 9
  • 8
  • 8
  • 8
  • 7
  • 7
  • 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.
1

Ecological aspects of viruses in soils

Williamson, Kurt Elliott. January 2007 (has links)
Thesis (Ph.D.)--University of Delaware, 2006. / Principal faculty advisors: Karl E. Wommack, Dept. of Plant & Soil Sciences, University of Delaware; Mark Radosevich, Dept. of Biosystems Engineering and Soil Science, University of Tennessee. Includes bibliographical references.
2

Changes in major solute chemistry as water infiltrates soils comparisons between managed agroecosystems and unmanaged vegetation /

Kurzman, Amanda Lord. January 2006 (has links)
Thesis (Ph. D.)--Michigan State University. Dept. of Zoology, 2006. / Title from PDF t.p. (viewed on June 19, 2009) Includes bibliographical references (p. 142-151). Also issued in print.
3

Effects of vegetation and soil organisms on soil nutrient dynamics in subalpine Abies lasiocarpa forests /

Johnson, Kathleen A., January 1900 (has links)
Thesis (Ph. D.)--Oregon State University, 1999. / Typescript (photocopy). Includes bibliographical references. Also available on the World Wide Web.
4

The effects of landscaping mulch on invertebrate populations and soil characteristics

Jordan, Kyle Kenton, January 2004 (has links)
Thesis (Ph. D.)--Ohio State University, 2004. / Title from first page of PDF file. Document formatted into pages; contains x, 83 p.; also includes graphics (some col.). Includes bibliographical references (p. 77-83). Available online via OhioLINK's ETD Center
5

Effects of fire and grazing driven heterogeneity on N cycling in tallgrass prairie

Anderson, R. A. Hunter. January 2005 (has links) (PDF)
Thesis (M. S.)--Oklahoma State University, 2005. / Vita. Includes bibliographical references (p. 63-73).
6

Luftväxlingen i marken som ekologisk faktor

Romell, Lars-Gunnar, January 1922 (has links)
Thesis--Stockholms Högskola, 1922. / Chapter 7-8 in German. "Särtryck ur Meddelanden från Statens Skogsförsöksanstalt, häft. 19, 1922." Includes bibliographical references (p. 201-208).
7

Litter production and litter decomposition in a scrubland community.

January 1978 (has links)
Cheng Suet Ha. / Bibliography: leaves 179-195. / Thesis (M.Phil.)--Chinese University of Hong Kong.
8

Effects of burrowing by mountain beaver (Aplodontia rufa) on soil in a young forest in the Oregon Coast Range /

Russell, William Ogburn, January 1997 (has links)
Thesis (M.S.)--Oregon State University, 1998. / Typescript (photocopy). Includes bibliographical references (leaves 44-50). Also available on the World Wide Web.
9

Aggregation, bulk density, compaction, and water intake responses to winter cover cropping in Willamette Valley vegetable production /

Buller, Gilbert L. January 1900 (has links)
Thesis (M.S.)--Oregon State University, 1999. / Typescript (photocopy). Includes bibliographical references. Also available online.
10

Ecosystem management and restoration as practiced by the indigenous Lacandon Maya of Chiapas, Mexico

Diemont, Stewart A. W., January 2006 (has links)
Thesis (Ph. D.)--Ohio State University, 2006. / Title from first page of PDF file. Includes bibliographical references (p. 102-110).

Page generated in 0.0658 seconds