Five-year growth response of Douglas-fir, western hemlock, and western redcedar seedlings to manipulated levels of overstory and understory competition
Harrington, T. B. Canadian Journal of Forest Research 36(10):2439-2453. 2006.
Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco), western hemlock (Tsuga heterophvIla (Raf.) Sarg.), and western redcedar (Thuja plicata Donn ex D. Don) seedlings were planted in March 2001 within three clearcut-harvested, shelterwood, or thinned stands of mature Douglas-fir near Olympia, Washington.
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Author(s): Timothy B. Harrington
Section: Weed Control