NDLTD Global ETD Search
  • Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 408
  • 379
  • 148
  • 90
  • 90
  • 90
  • 90
  • 90
  • 88
  • 21
  • 12
  • 12
  • 11
  • 8
  • 5
  • Tagged with
  • 1384
  • 406
  • 331
  • 185
  • 164
  • 155
  • 146
  • 132
  • 129
  • 122
  • 120
  • 118
  • 108
  • 108
  • 103
  • 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.

Search results

Showing 161 to 170 of 1384 (0.033 seconds)

Spelling suggestions: "subject:"fertilizer.""

161

Sugar beet yield and mineral content as influenced by fertilization

Schwartzbeck, Richard A. January 1955 (has links)
Thesis (M.S.)--University of Wisconsin--Madison, 1955. / Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 50-56).
Sugar beets. Fertilizers and manures.
162

A survey of corn yield responses to various levels of fertilization on several Wisconsin soils

Doersch, Ron. January 1961 (has links)
Thesis (M.S.)--University of Wisconsin--Madison, 1961. / Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 59-62).
Grain. Fertilizers and manures.
163

Cold tolerance of alfalfa as influenced by source of potassium

LaCroix, Richard Lee, January 1969 (has links)
Thesis (M.S.)--University of Wisconsin--Madison, 1969. / eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
Alfalfa. Potassium fertilizers.
164

On the effect of various fertilizers on some well-known farm crops

Dynes, O. W. January 1900 (has links)
Minor Thesis (M.S in Agriculture)--Cornell University, Sept. 1912.
Fertilizers. Field crops.
165

A model of nitrate leaching from agricultural systems in the northern neck of Virginia /

Johnson, Terrence Guilford, January 1992 (has links)
Thesis (Ph. D.)--Virginia Polytechnic Institute and State University, 1992. / Vita. Abstract. Includes bibliographical references (leaves 229-243). Also available via the Internet.
166

Nitrogen fixation in high yielding soybean (Glycine max., L. Merr)

Salvagiotti, Fernando. January 2008 (has links)
Thesis (Ph.D.)--University of Nebraska-Lincoln, 2008. / Title from title screen (site viewed Nov. 25, 2008). PDF text: xiv, 198 p. : ill. ; 4 Mb. UMI publication number: AAT 3315056. Includes bibliographical references. Also available in microfilm and microfiche formats.
Soybean Nitrogen fertilizers
167

Influence of nitrogen fertilization and leaf management on nitrogen use efficiency and agronomic performance of mammoth cultivars of flue-cured tobacco /

Morris, Jerry Whitaker, January 1993 (has links)
Thesis (M.S.)--Virginia Polytechnic Institute and State University, 1993. / Vita. Abstract. Includes bibliographical references (leaves 82-84). Also available via the Internet.
Tobacco Nitrogen fertilizers.
168

Versuche über die Stickstoffwirkung des von Krottnaurerschen organischen Düngers

Grosse, Johannes. January 1900 (has links)
Thesis (doctoral)--Universität Leipzig. / Vita. Includes bibliographical references.
169

Untersuchungen über zusammensetzung und düngebedürfnis bestimmter typischer bodenarten Thüringens und über die wirksamkeit der im geflügeldünger enthaltenen pflanzennährstoffe auf diesen böden ...

Wendler, Gustav Adolf, January 1904 (has links)
Inaug.-diss.--Jena.
Fertilizers. Manures. Soils
170

Raubbau und ersatzwirtschaft auf norddeutschem sandboden ...

Hillmann, Kurt, January 1900 (has links)
Inaug.-dis.--Berlin. / Lebenslauf.
Fertilizers. Manures. Agriculture

Page generated in 0.0386 seconds