• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 30
  • 6
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 2
  • 1
  • Tagged with
  • 46
  • 46
  • 14
  • 10
  • 8
  • 7
  • 7
  • 6
  • 6
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 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

Surface and subsurface transport of phosphorus from surface and subsurface-applied poultry litter

Lamba, Jasmeet. Srivastava, Puneet. Fang, Xing. January 2009 (has links)
Thesis--Auburn University, 2009. / Abstract. Vita. Includes bibliographic references (p.100-105).
2

The availability of phosphorus from various biological residues as a source of phosphorus for succeeding crops

Miller, Raymond W., 1928- January 1953 (has links)
No description available.
3

Studies in the reversion and availability of phosphorus in some South Australian soils /

Joseph, K. T. January 1900 (has links) (PDF)
Thesis (M. Sc. Ag.)--University of Adelaide, WAITE Agricultural Research Institute, 1957? / Typewritten copy. Includes bibliographical references.
4

Phosphorus leaching from manure-impacted soils affected by fluctuating water tables

Mejias-Bassaletti, Jaime, January 2005 (has links) (PDF)
Thesis (Ph.D.)--Washington State University. / Includes bibliographical references.
5

Studies of the interrelationships of plant roots

Chambers, Everett Eugene, January 1963 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1963. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 68-74).
6

The effect of phosphorus on the growth, plant mineral content and essential oil composition of buchu (Agathosma betulina) /

De Villiers, Chris Johan. January 2007 (has links)
Thesis (MScAgric)--University of Stellenbosch, 2007. / Bibliography. Also available via the Internet.
7

Economic and environmental implications of a phosphorus standard : 160-sow representative farm in Montgomery County, Missouri /

Lansford, Vernon D., January 2001 (has links)
Thesis (Ph. D.)--University of Missouri-Columbia, 2001. / Typescript. Vita. Includes bibliographical references (leaves 152-159). Also available on the Internet.
8

Economic and environmental implications of a phosphorus standard 160-sow representative farm in Montgomery County, Missouri /

Lansford, Vernon D., January 2001 (has links)
Thesis (Ph. D.)--University of Missouri-Columbia, 2001. / Typescript. Vita. Includes bibliographical references (leaves 152-159). Also available on the Internet.
9

Improving the yields of late-planted winter wheat with seeding rate and phosphorus fertility

Harwood, Eric D. January 2009 (has links) (PDF)
Thesis (M.S. in soil sciences)--Washington State University, December 2009. / Title from PDF title page (viewed on Jan. 25, 2010). "Department of Crop and Soil Sciences." Includes bibliographical references.
10

Role of mycorrhizas in the assessment of phosphorus efficiency in cereals /

Baon, John Bako. January 1994 (has links) (PDF)
Thesis (Ph. D.)--University of Adelaide, 1994. / Includes bibliographical references.

Page generated in 0.0583 seconds