Author： Wangaard Frederick F. Zumwalt Eugene V.
Publisher： Society of American Foresters
ISSN： 0022-1201
Source： Journal of Forestry, Vol.47, Iss.1, 1949-01, pp. : 18-24
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Abstract
Increasing use of second-growth Douglas-fir focuses interest on the physical properties of such wood in relation to those of old-growth timber. Test data are presented on specific gravity, modulus of rupture, and modulus of elasticity of wood samples sawn from various heights and radial zones from three sample second-growth trees grown on Sites II, III, and IV.
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