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Filtering by: Subject Trees -- Oregon, Southwest -- Growth Degree Field Silviculture Non-Academic Affiliation Oregon State University. Graduate School

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

ScholarsArchive@OSU

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

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