Keepability of Pennsylvania versus West Coast Grown Douglas-Fir Christmas Trees: Genotypic Variation in Relation to Subfreezing Temperatures

By Kubiske Mark E.   Abrams Marc D.   Finley James C.  

Northern Journal of Applied Forestry, Vol. 7, Iss. 2, 1990-06 ,pp. : 86-89

Society of American Foresters

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Five-Year Thinning Response of an Overgrown Douglas-Fir Christmas Tree Plantation

By Hummel S.   Hummel R.  

Western Journal of Applied Forestry, Vol. 19, Iss. 3, 2004-07 ,pp. : 171-174

Society of American Foresters

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Effect of Controlled Release on Growth of Individual Douglas-Fir Trees

By Staebler George R.  

Journal of Forestry, Vol. 54, Iss. 9, 1956-09 ,pp. : 567-568

Society of American Foresters

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Age-related development of crown structure in coastal Douglas-fir trees

By Ishii H.   McDowell N.  

Forest Ecology and Management, Vol. 169, Iss. 3, 2002-10 ,pp. : 257-270

Elsevier

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Notes: Movement of Chloropicrin or Methylisothiocyanate through the Boles of Douglas-Fir Trees

By Morrell J. J.   Newbill M. A.  

Forest Science, Vol. 36, Iss. 1, 1990-03 ,pp. : 192-195

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