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Title: Release Accelerates Growth of Yellow-Poplar -- an 18-Year Look
Author: Williams, Robert D.;
Source: Research Note NC-202. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Publication Series: Research Note (RN)
Description: Yellow-poplar seedlings that germinated and were completely released from woody competition in 1957 (the first year after a harvest cut) were four times taller and five times larger in diameter after the 1973 growing season than seedlings that were not released.
Keywords: Liriodendron tulipifera, germination date, seedbed scarification, natural regeneration, harvest cutting method.
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Williams, Robert D. 1976. Release Accelerates Growth of Yellow-Poplar -- an 18-Year Look. Research Note NC-202. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
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