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Creator:: Oregon State University. Cooperative Extension Service, Washington Woodland Council, and Washington State University. Extension Service
Abstract:: Published July 1961. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: . PER-ACRE^MEASUREMENTS OF THINNED AND UNTHINNED 42-YEAR-OLD DOUGL-AS FIR STANDS Treatment

Creator:: Emmingham, William H., Green, Daniel, and Oregon State University. Extension Service
Abstract:: Thinning is removing selected trees from a stand to allow others to continue growing. Ordinarily, a woodland manager uses a thinning system that encourages the remaining trees to grow in a manner consistent with the manager’s objectives for those trees.
Resource Type:: Technical Report
Full Text:: Thinning Systems for Western Oregon Douglas-fir Stands

Creator:: Landgren, Chal G., Bondi, Michael C., Emmingham, William H., and Oregon State University. Extension Service
Abstract:: Published November 1983. Reprinted November 1994. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: WorKbool^ Stand Management S3 Growing and Harvesting Douglas-fir Poles C. Landgren, M. Bondi, and W

Creator:: Capizzi, Joseph and Oregon State University. Extension Service
Abstract:: Published July 1974. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: Douglas-fir Tussock Moth Control by the Homeowner The

Creator:: Huff, Tristan, Cloughesy, Mike, Duddles, Ralph E., and Oregon State University. Extension Service
Abstract:: Successful regeneration of forest stands often requires that crop trees be released from competing vegetation. This publication provides basic information on how to determine if release is necessary and methods for release.
Resource Type:: Technical Report
Full Text:: ponderosa pine, western larch, or westside Douglas‑fir. More shade‑tolerant species (grand fir, western

Creator:: Oregon State University. Extension Service and Sander, Gary H.
Abstract:: Published April 1969. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: 6637 07 - :' ..( 4 The Douglas-fir needle midge has caused

Creator:: Green, Daniel, Bondi, Michael C., Emmingham, William H., and Oregon State University. Extension Service
Abstract:: Keywords: Stand management, Forestry
Resource Type:: Technical Report
Full Text:: separate a brush patch with some scattered, 20-year-old Dougla fir from a brush patch with no Douglas-fir

Creator:: Huff, Tristan and Oregon State University. Extension Service
Abstract:: Forest landowners are interested in practicing alternative silviculture methods on their property without having to clearcut. This publication describes a case study on the group selection method, a management style that mimics the natural gap creation that takes place in old-growth forest stands as a result of wind throw, landslides,...
Resource Type:: Technical Report
Full Text:: Group Selection Cutting in Mature Douglas-fir Forests

Creator:: Proebsting, William M., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension Service, United States. Department of Agriculture, Douglass, Bernard S., and Sander, Gary S.
Abstract:: Revised June 1987. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: Developing sheared Douglas-fir Christmas trees /987 OR

Creator:: Douglass, Bernard S., Sander, Gary H., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension Service, and United States. Department of Agriculture
Abstract:: Published October 1982. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: DEVELOPMENT OF SHEARED DOUGLAS-FIR CHRISTMAS TREES A. INTRODUCTION This publication describes the procedures

ScholarsArchive@OSU