Effect of Photoperiod and Light Quality on Germination of Douglas-Fir Seed

By Johnson Le Roy C.   Irgens-Moller Helge  

Forest Science, Vol. 10, Iss. 2, 1964-06 ,pp. : 200-205

Society of American Foresters

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Regulation of Douglas-fir Seedling Growth and Hardiness by Controlling Photoperiod

By McCreary Douglas D.   Tanaka Yasuomi   Lavender Denis P.  

Forest Science, Vol. 24, Iss. 2, 1978-06 ,pp. : 142-152

Society of American Foresters

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Predicting response of coastal Douglas-fir to fertilizer treatments

By Carter R.E.   McWilliams E.R.G.   Klinka K.  

Forest Ecology and Management, Vol. 107, Iss. 1, 1998-08 ,pp. : 275-289

Elsevier

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Notes: Thinning Method and Response to Urea in Douglas-fir

By Heilman Paul  

Forest Science, Vol. 21, Iss. 4, 1975-12 ,pp. : 418-420

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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