The Relationship Between Western Spruce Budworm Defoliation Levels and Growth of Individual Douglas-Fir and Grand Fir Trees

By Nichols Thomas J.  

Forest Science, Vol. 34, Iss. 2, 1988-06 ,pp. : 496-504

Society of American Foresters

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Crown Expansion and Stem Radial Growth of Douglas-Fir as Influenced by Release

By Reukema Donald L.  

Forest Science, Vol. 10, Iss. 2, 1964-06 ,pp. : 192-199

Society of American Foresters

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Reviews: Growth of Ponderosa Pine and Douglas-fir in a Controlled Environment

By Swan H. Stewart D.  

Forest Science, Vol. 11, Iss. 2, 1965-06 ,pp. : 221-221

Society of American Foresters

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Effect of Family and Nitrogen Fertilizer on Growth and Foliar Nutrients of Douglas-fir Saplings

By DeBell Dean S.   Silen Roy R.   Radwan M. A.   Mandel Nancy L.  

Forest Science, Vol. 32, Iss. 3, 1986-09 ,pp. : 643-652

Society of American Foresters

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Genetically Proven Douglas-Fir Christmas Trees

By Silen Roy R.   Wilson Boyd C.  

Journal of Forestry, Vol. 75, Iss. 5, 1977-05 ,pp. : 255-259

Society of American Foresters

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