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Fast-Grown, Dense Loblolly Pine Sawlogs: A Reality

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Loblolly pine sawtimber with a mean d.b.h. of 15 inches was produced in 27 years through heavy thinning, understory control, and green pruning. Three levels of intensive culture were compared with conventional practice (moderate thinning, no pruning, no understory control). At age 27, standing volume was 11.9 M b.f. per acre in intensive treatments and only 5.3 M b.f. in controls. Mean d.b.h. was 14 to 15 inches under intensive culture and 10 inches in control stands. Control stands produced greater cubic yields than intensively managed stands. Unextracted specific gravity of trees harvested at age 27 was unaffected by treatment and was approximately equal to local average for loblolly pine.

Document Type: Journal Article

Affiliations: Principal Silviculturist, Southern Forest Experiment Station, USDA Forest Service, Alexandria, La.

Publication date: October 1, 1974

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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