Notes: Effect of Cone Production on Branch, Needle, and Xylem Ring Growth of Sierra Nevada Douglas-Fir

By Tappeiner II John C.  

Forest Science, Vol. 15, Iss. 2, 1969-06 ,pp. : 171-174

Society of American Foresters

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Pollination Mechanism and Seed Production Potential in Douglas-fir

By Ho Rong H.  

Forest Science, Vol. 26, Iss. 4, 1980-12 ,pp. : 522-528

Society of American Foresters

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Increased Cone Production of Young Douglas-Fir Following Nitrogen and Phosphorus Fertilization

By Steinbrenner E. C.   Duffield J. W.   Campbell R. K.  

Journal of Forestry, Vol. 58, Iss. 2, 1960-02 ,pp. : 105-110

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Effects of Rootstock Source on the Size, Cone Production, and Compatibility of Douglas-Fir Grafts

By Karlsson Ingemar   Woods Jack H.  

Western Journal of Applied Forestry, Vol. 7, Iss. 3, 1992-07 ,pp. : 73-77

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Hybridization Between Douglas-Fir and Bigcone Douglas-Fir

By Ching Kim K.  

Forest Science, Vol. 5, Iss. 3, 1959-09 ,pp. : 246-254

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