Development of Weight Variation in Douglas-Fir Seedlings

By Sinclair W. A.  

Forest Science, Vol. 19, Iss. 2, 1973-06 ,pp. : 105-108

Society of American Foresters

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Genotypic Variation in Photoperiodic Response of Douglas-Fir Seedlings

By Irgens-Moller H.  

Forest Science, Vol. 8, Iss. 4, 1962-12 ,pp. : 360-362

Society of American Foresters

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Variation in Total and Soluble Nitrogen Concentrations in Response to Fertilization of Douglas-Fir

By Van Den Driessche R.   Webber J. E.  

Forest Science, Vol. 23, Iss. 2, 1977-06 ,pp. : 134-142

Society of American Foresters

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Genotypic Variation in the Time of Cessation Of Height Growth in Douglas-Fir

By Irgens-Moller Helge  

Forest Science, Vol. 4, Iss. 4, 1958-12 ,pp. : 325-330

Society of American Foresters

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Variation in Sapwood Thickness of Douglas-Fir in Relation to Tree and Section Characteristics

By Smith J. H. G.   Walters J.   Wellwood R. W.  

Forest Science, Vol. 12, Iss. 1, 1966-03 ,pp. : 97-103

Society of American Foresters

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