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Row thinnings in planted red pine, removing every other row, every third row, and every fourth row, were compared to residual basal area thinnings leaving 70, 90, 110, and 130 square feet per acre, as to time required per cord of pulpwood removed and residual stand quality. Row thinning required significantly less time per cord of wood removed, with the largest difference in required time occurring in the felling operation. The most severe row thinning (removing every other row) retained 178 excellent potential crop trees per acre, while in the other row and basal area treatments, the number of excellent trees increased proportionately as the residual stand increased. Row thinning deserves consideration for use in initial thinning in suitable planted red pine stands.
Document Type: Journal Article
Associate Professor of Forestry, Department of Forestry, Michigan State Univ., East Lansing
Publication date: October 1, 1964
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The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.