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  • 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.

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Showing 181 to 190 of 481 (0.014 seconds)

Spelling suggestions: "subject:"douglasfir"" "subject:"douglasfirs""

181

Degradation of phenolic components of Douglas-fir bark by fungi

Ross, William David, 1937- 19 October 1970 (has links)
Graduation date: 1971
Douglas fir -- Diseases and pests
182

The role of ectomycorrhizal fungi in ecosystem recovery /

Amaranthus, Michael. January 1989 (has links)
Thesis (Ph. D.)--Oregon State University, 1989. / Typescript (photocopy). Includes bibliographical references. Also available on the World Wide Web.
183

Stand development and individual tree morphology and physiology of young Douglas-fir (Pseudotsuga menziesii) in association with tanoak (Lithocarpus densiflorus) /

Harrington, Timothy B. January 1989 (has links)
Thesis (Ph. D.)--Oregon State University, 1989. / Typescript (photocopy). Includes bibliographical references. Also available on the World Wide Web.
Douglas fir Plant competition.
184

The water soluble polysaccharide of Douglas fir, Pseudotsuga taxifolia

Roebuck, Albert Henry, January 1947 (has links) (PDF)
Thesis (M.S. - Chemistry)--University of Arizona. / Typewritten manuscript. Bibliography: leaves 24-25.
Polysaccharides. Douglas fir.
185

The formation of resin canals in the wood of Douglas-fir as influenced by environment /

Wagg, J. W. Bruce. January 1948 (has links)
Thesis (M.S.)--Oregon State College, 1948. / Typescript. Includes bibliographical references (leaves 79-101). Also available on the World Wide Web.
Douglas fir. Wood
186

The influence of depth of immersion on end penetration in Douglas fir heartwood when cold-soaked in pentachlorophenol /

Raphael, Harold James. January 1949 (has links)
Thesis (M.S.)--Oregon State College, 1950. / Typescript. Mounted photographs. Includes bibliographical references (leaves 49-52). Also available on the World Wide Web.
Wood Douglas fir. Pentachlorophenol.
187

The effects of some soaking treatments on the germination of Douglas-fir seed /

Leahy, Peter Michael. January 1954 (has links)
Thesis (M.S.)--Oregon State College, 1954. / Typescript. Includes bibliographical references (leaves 80-81). Also available on the World Wide Web.
Germination. Douglas fir.
188

The establishment of Douglas fir reproduction in relation to certain natural environmental factors /

Tiedemann, Henry. January 1934 (has links)
Thesis (M.S.)--Oregon State Agricultural College, 1934. / Typescript. Includes bibliographical references (leaves 43-45). Also available on the World Wide Web.
Reforestation Douglas fir
189

Kiln drying problems in the Douglas fir region /

Voorhies, Glenn, January 1930 (has links)
Thesis (M.S.)--Oregon State Agricultural College, 1930. / Typescript. Includes bibliographical references (leaves 126-131). Also available on the World Wide Web.
Lumber Douglas fir
190

Some physiological effects of atrazine on Douglas-fir seedlings /

Peterson, Charles Adrian. January 1969 (has links)
Thesis (M.S.)--Oregon State University, 1969. / Typescript. Includes bibliographical references (leaves 39-43). Also available on the World Wide Web.
Douglas fir. Herbicides

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