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Filtering by: Subject Douglas fir -- Reproduction Academic Affiliation School of Forestry Degree Level Doctoral

Photosynthesis, respiration, and dry matter accumulation of Douglas-fir seedlings from different geographic sources and growth at different temperatures

Creator:

Sorensen, Frank C.

Resource Type:

Dissertation

Full Text:

Dry Matter Accumulation of Douglas-fir Seedlings from Different Geographic Sources and Grown at
Comparative photosynthesis and respiration rates of Douglas-fir seedlings from Vancouver Island and Montana under various conditions of light and temperature

Creator:

Krueger, Kenneth W.

Resource Type:

Dissertation
Soil and growth studies in Douglas-fir [Pseudotsuga menziesii (Mirb.) Franco] stands near Molalla, Oregon

Creator:

Strand, Robert Fenton

Abstract:

In 1957 three Douglas-fir stands (15-, 25-, and 40-year-old age classes) were selected on a tree farm in the Cascade foothills of northwestern Oregon to study factors affecting site productivity. Soil-moisture, soil-temperature and seasonal radial- growth pattern measurements were made with a Colman moisture meter and a dial gauge dendrometer...

Resource Type:

Dissertation