• 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.
151

Criteria signaling reapplication of controlled-release fertilizer for maximum growth of Ilex crenata Thunb. 'Helleri' /

Shiflett, Melinda Cole, January 1992 (has links)
Thesis (M.S.)--Virginia Polytechnic Institute and State University, 1992. / Vita. Abstract. Includes bibliographical references (leaves 19-20). Also available via the Internet.
152

The profits from the use of fertilizers

Turlington, John Edwin. January 1912 (has links)
Minor Thesis (Ph. D.)--Cornell University, June 1912. / Typescript.
153

Eficiencia de la fertilizacion inorganica en el cultivo de alfalfa (Medicado Sativa L) y encalamiento para la correccion del pH del suelo /

Bravo Morocho, Alex Gonzalo. January 2001 (has links)
Tesis Presentada como Requisito Parcial para Obtener el Titulo de Ingeniero Agronomo, Escuela Superior Politecnica de Chimborazo, Facultad de Recursos Naturales, Ecscuela de Ingenieria Agronomica. / Abstract in Spanish and English.
154

A study of the influence of fertilizers on the vitamin-B content of wheat

Hunt, Charles Henry, January 1900 (has links)
Thesis (Ph. D.)--Ohio state University, 1926. / Cover title. Autobiography. Bibliography: p. 40-41.
155

Die weltwirtschaftliche bedeutung der kalisalze als düngemittel im lichte wirtschaftsgeographischer betrachtungen

Krieg, Ludwig, January 1936 (has links)
Inaug.-diss.--Greifswald. / At head of title: Geographie. Lebenslauf. "Zeitschriften": p. 124. "Literatur-angaben": p. 105-123.
156

Merits of deeper plowing, liming and fertilizing

Engelbert, Lincoln Edwin, January 1950 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1950. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves [63-65]).
157

Rock phosphate availability as influenced by soil pH [I.] II. Phosphate fixation by montmorillonite /

Ellis, Roscoe. January 1954 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1954. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographies: leaves 44, 73-74.
158

Response of irrigated corn to time, rate, and source of applied N on sandy soils

Jung, Phillip Edward, January 1970 (has links)
Thesis (M.S.)--University of Wisconsin--Madison, 1971. / Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
159

Cattle manure I. Effect on crops and soils; II. Retention properties for Cu, Mn, and Zn.

Hensler, Ronald Fred, January 1970 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1970. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliography.
160

Response of a permanent pasture sod to rates of nitrogen and to nitrogen combined with phosphorus and potassium fertilizers

Llambias, Carlos J. J. January 1962 (has links)
Thesis (M.S.)--University of Wisconsin--Madison, 1962. / Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 58-63).

Page generated in 0.0646 seconds