Title: Changes in hardwood growing-stock tree grades
Author: Sonderman, David L.; Rast, Everette D.
Source: Res. Pap. NE-608. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 8 p.
Station ID: RP-NE-608
Description: Describes changes in provisional tree grades for 351 young, mixed upland hardwood trees 6 years after thinning. Treatments of 30,50, and 70 percent stocking plus a crop-tree release were applied. Results indicate that light thinning and crop-tree thinning produced higher qualitjl and better grade trees than heavy thinning.
Keywords: stand density; thinning; stem quality; grade
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Sonderman, David L.; Rast, Everette D. 1987. Changes in hardwood growing-stock tree grades. Res. Pap. NE-608. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 8 p..