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Title: Growth trends in pruned red spruce trees
Author: Blum, Barton M.; Solomon, Dale S.;
Source: Research Note NE-294. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 6 p.
Publication Series: Research Note (RN)
Description: The diameter growth of red spruce with 1/6, 1/3, and 1/2 crown removed was compared with that of unpruned trees for 18 growing seasons. Although removal of 1/6 of the live crown did not adversely affect annual radial growth, compared with that of the controls, removal of 1/3 and 1/2 had a significant effect on the cumulative radial growth for 2 and 9 growing seasons, respectively.
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Blum, Barton M.; Solomon, Dale S. 1980. Growth trends in pruned red spruce trees. Research Note NE-294. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 6 p.
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