NDLTD Global ETD Search
  • Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 122
  • 110
  • 39
  • 32
  • 32
  • 32
  • 32
  • 32
  • 30
  • 3
  • 2
  • 2
  • 2
  • Tagged with
  • 336
  • 336
  • 109
  • 108
  • 59
  • 37
  • 33
  • 32
  • 31
  • 30
  • 30
  • 29
  • 28
  • 27
  • 27
  • 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 11 to 20 of 336 (0.086 seconds)

Spelling suggestions: "subject:"anitrogen fertilizer."" "subject:"initrogen fertilizer.""

11

The effects of nitrogen on jojobe, Simmondsia chinensis (Link) Schneider

Meneley, Toni Jean, 1949- January 1975 (has links)
No description available.
Jojoba.
Nitrogen fertilizers.
12

The effect of nitrogen source urea and ammonium nitrate on the productivity and nutritive value of bromegrass, orchardgrass, perennial ryegrass and timothy, with special emphasis on timothy.

Edwards, Linnell Malinston. January 1969 (has links)
No description available.
Forage plants.
Nitrogen fertilizers
13

The effect of seeding density and nitrogen fertility on the yield and quality of a hard red spring wheat in Quebec /

Migner, Pierre January 1992 (has links)
An experiment was conducted for two years to determine the effect of seeding rate, and nitrogen fertility on the yield and quality of hard red spring wheat (Triticum aestivum L.) in Quebec. The experiment was conducted on a Ste-Rosalie series soil (humic gleysol), in the St-Hyacinthe region, 50 km east of Montreal. The design of the experiment was a split-plot design. The treatments in the main plots were the plant densities while the nitrogen treatments (rate of nitrogen, number and timing of the applications and formulation of fertilizer nitrogen) were applied to the sub-plots. Nitrogen had a significant effect on yields in 1987, but not in 1986. Maximum yield was 6838 kg ha$ sp{-1}$ in 1986 and 3807 kg ha$ sp{-1}$ in 1987. Protein concentration was increased by higher nitrogen rates in both years. The yield and protein concentration were affected by low precipitation in 1987. Applying the nitrogen later in the season increased the protein concentration in both seasons. It also decreased yield in 1987, but this was caused by lack of water in late June and July 1987. Formulation of nitrogen fertilizer did not have an effect on yield and protein content of the crop.
Wheat -- Yields.
Nitrogen fertilizers.
14

Nitrogen responsiveness in barley / by Fathi Ghodratollah.

Fathi, Ghodratollah January 1994 (has links)
Bibliography: leaves: 210-230. / xx, 230 leaves : ill. (some col.) ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Thesis (Ph.D.)--University of Adelaide, Dept. of Plant Science, 1995?
Barley Fertilizers.
Nitrogen fertilizers.
15

Effect of nitrogen fertilization on the physiological damage and subsequent recovery of mite-infested apple leaves /

Campbell, Richard John, January 1988 (has links)
Thesis (M.S.)--Virginia Polytechnic Institute and State University, 1988. / Vita. Abstract. Includes bibliographical references. Also available via the Internet.
Apples Nitrogen fertilizers.
16

The effects of growth medium acidity, exogenous growth regulators, and nitrogen fertilizer on the acceleration of Fraser fir seedling growth /

Bryan, James Alfred, January 1988 (has links)
Thesis (M.S.)--Virginia Polytechnic Institute and State University, 1988. / Vita. Abstract. Includes bibliographical references (leaves 53-57). Also available via the Internet.
Fir Fir Nitrogen fertilizers.
17

Rate and timing of nitrogen fertilization in burley tobacco

Waynick, Michael Randall, January 2007 (has links) (PDF)
Thesis (M.S.)--University of Tennessee, 2007. / Title from title page screen (viewed on Apr. 7, 2008). Thesis advisor: H. P. Denton. Vita. Includes bibliographical references.
18

Nitrogen responsiveness in barley /

Fathi, Ghodratollah. January 1994 (has links) (PDF)
Thesis (Ph. D.)--University of Adelaide, Dept. of Plant Science, 1995? / Includes bibliographical references (leaves : 210-230).
Barley Nitrogen fertilizers.
19

Studies on the nitrogen and water relations of wheat (Triticum aestivum L.) /

Parameswaran, Kalathoor Velayduna Menon. January 1975 (has links) (PDF)
Thesis (Ph.D. 1977) from the Department of Agronomy, University of Adelaide.
Wheat Nitrogen fertilizers.
20

Determination of available nitrogen in organic fertilizers by means of ammonification and nitrification tests

Jen, How-yan, January 1948 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1948. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 62-64).

Page generated in 0.1008 seconds