Sulfur Requirements of Nitrogen Fertilized Douglas-fir

By Turner John   Lambert Marcia J.   Gessel Stanley P.  

Forest Science, Vol. 25, Iss. 3, 1979-09 ,pp. : 461-467

Society of American Foresters

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Note: Pollination of Douglas-fir with Water Suspensions of Pollen

By Allen G. S.   Sziklai O.  

Forest Science, Vol. 8, Iss. 1, 1962-03 ,pp. : 64-65

Society of American Foresters

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Notes: Tree-Ring Growth of Interior Douglas-Fir After One Year's Defoliation by Douglas-Fir Tussock Moth

By Alfaro René I.   Shepherd Roy F.  

Forest Science, Vol. 37, Iss. 3, 1991-08 ,pp. : 959-964

Society of American Foresters

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Growth of Douglas-Fir and Ponderosa Pine Seedlings with Foliar Applications of Methanol and Ethanol

By Joseph Gladwin   Kelsey Rick G.  

Western Journal of Applied Forestry, Vol. 14, Iss. 4, 1999-10 ,pp. : 183-185

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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