Publication Information
| Title:
| Growth of suppressed grand fir and Shasta red fir in central Oregon after release and thinning—10-year results. |
| Author(s): |
Seidel, Kenneth W. |
| Date: |
1983 |
| Source: |
Res. Note PNW-RN-404. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 7 p |
| Station ID: |
RB-PNW-404 |
| Description: |
A 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. |
| Keywords: |
growth response, thinning effects, even-aged stands, release, central Oregon, grand fir, Abies grandis, Shasta red fir, Abies magnifica |
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Citation
Seidel, Kenneth W. 1983. Growth of suppressed grand fir and Shasta red fir in central Oregon after release and thinning—10-year results.. Res. Note PNW-RN-404. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 7 p
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