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• 1. [Article] Developing high quality true fir Christmas trees

  Published February 1992. A more recent revision exists. Please look for up-to-date information in the OSU Extension Catalog: https://catalog.extension.oregonstate.edu

  Citation × Citation Citation Abstract Copy Title: Developing high quality true fir Christmas trees Author: Landgren, Chal G., Washington State University. Cooperative Extension, Pacific Northwest Cooperative Extension, United States. Dept. of Agriculture, Douglass, Bernard S., Oregon State University. Extension Service, University of Idaho. Cooperative Extension Service Published February 1992. A more recent revision exists. Please look for up-to-date information in the OSU Extension Catalog: https://catalog.extension.oregonstate.edu Title: Developing high quality true fir Christmas trees Author: Landgren, Chal G., Washington State University. Cooperative Extension, Pacific Northwest Cooperative Extension, United States. Dept. of Agriculture, Douglass, Bernard S., Oregon State University. Extension Service, University of Idaho. Cooperative Extension Service Published February 1992. A more recent revision exists. Please look for up-to-date information in the OSU Extension Catalog: https://catalog.extension.oregonstate.edu Close

• 2. [Article] Developing sheared Douglas-fir Christmas trees

  Published March 1992. A more recent revision exists. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

  Citation × Citation Citation Abstract Copy Title: Developing sheared Douglas-fir Christmas trees Author: Landgren, Chal G., Washington State University. Cooperative Extension, Pacific Northwest Cooperative Extension, Proebsting, William M., United States. Dept. of Agriculture, Oregon State University. Extension Service, University of Idaho. Cooperative Extension Service Published March 1992. A more recent revision exists. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog Title: Developing sheared Douglas-fir Christmas trees Author: Landgren, Chal G., Washington State University. Cooperative Extension, Pacific Northwest Cooperative Extension, Proebsting, William M., United States. Dept. of Agriculture, Oregon State University. Extension Service, University of Idaho. Cooperative Extension Service Published March 1992. A more recent revision exists. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog Close