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Effect of Release Upon the Form and Volume of Western Yellow Pine

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A study of western yellow pine in selectively cut stands in Oregon and Washington shows that there is a progressive change in form dating from the time of release. Previous to release the trees, irrespective of form class, tend to improve in form, while directly after the release cutting all form classes tend to converge in a single belt, in which form class 0.725 is the most significant. It was found also that volume tables in use for virgin stands apply equally well for stands released for various periods.

Document Type: Journal Article

Affiliations: Associate Silviculturist, Pacific Northwest Forest Experiment Station

Publication date: December 1, 1931

More about this publication?
  • 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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