Variation in the Specific Gravity of the Springwood and Summerwood of Four Species of Southern Pines

Author: Paul, Benson H.

Source: Journal of Forestry, Volume 37, Number 6, 1 June 1939 , pp. 478-482(5)

Publisher: Society of American Foresters

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Abstract:

Active interest in timber growing in the South as a result of the expansion of pulp and paper manufacture has emphasized the need for greater technical knowledge of the characteristics of the southern pines. Studies at the Forest Products Laboratory show that the weight or density of any of the four most important species of southern pine--slash, longleaf, loblolly, and shortleaf pine--may vary over an exceedingly wide range. Sometimes certain pieces of wood have double the density of other pieces of the same species. Such variations in density have a direct bearing upon the strength, workability, shrinkage, ability to hold paint, and other properties as well as upon the quality and yield of pulp from these species.

Document Type: Journal article

Affiliations: 1: U. S. Forest Service at Madison. Wis. in cooperation with the University of Wisconsin, Forest Products Laboratory

Publication date: 1939-06-01

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