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Successful Maryland White Pine--Yellow-Poplar Plantation its Response to Thinning

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Though not commonly grown together, a mixed plantation of 85 percent white pine and 15 percent yellow-poplar, established in 1912 on Baltimore, Md., watershed lands, has proved eminently successful. Portions of the stand were thinned at 25 years, reducing the number of stems from 776 to 300, 150, or 110 per acre. While 25 years later the biggest trees occurred in the heavier thinnings, the lightest thinning tried, equivalent to a 12-foot spacing, resulted in (1) the largest net increments in board-foot and cubic-foot volumes, (2) the greatest total board-foot volume at a stand age of 50 years, and (3) no epicormic branching of yellow-poplars such as temporarily developed in the wider spacings.

Document Type: Journal Article

Affiliations: Former Assistant Director, Maryland Department of Forests and Parks, Annapolis

Publication date: 1965-10-01

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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.

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