Skip to Main Content
Growth of suppressed grand fir and Shasta red fir in central Oregon after release and thinning10-year results.Author(s): Kenneth W. Seidel
Source: Res. Note PNW-RN-404. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 7 p
Publication Series: Research Note (RN)
Station: Pacific Northwest Research Station
Download Publication (400.04 KB)
DescriptionA 43-year-old, even-aged stand of advance reproduction of grand fir and Shasta red fir in central Oregon responded to release and thinning with diameter and height growth two to three times the prerelease rate. The response began immediately after the overstory was killed with 2,4-D. Diameter growth during the second 5 years after release increased significantly over that of the first 5 years. Differences in spacing had no effect on growth. Increased growth after release suggests that saving advance true fir reproduction is desirable under certain conditions.
- You may send email to firstname.lastname@example.org to request a hard copy of this publication.
- (Please specify exactly which publication you are requesting and your mailing address.)
- We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
- This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
CitationSeidel, Kenneth W. 1983. Growth of suppressed grand fir and Shasta red fir in central Oregon after release and thinning10-year results. Res. Note PNW-RN-404. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station. 7 p
Keywordsgrowth response, thinning effects, even-aged stands, release, central Oregon, grand fir, Abies grandis, Shasta red fir, Abies magnifica
- Fifteen-year results from a Grand fir-Shasta red fir spacing study.
- Ten-year risk-rating systems for California red fir and white fir: development and use
- Growth classification systems for red fir and white fir in northern California
XML: View XML