4 results Refine Results
  1. 1
    由 Swedjemark, Gunilla
    出版 1995
    主題 “...Norway spruce Diseases and pests....”
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    Heterobasidion annosum root rot in Picea abies : variability in aggressiveness and resistance /
  2. 2
    由 Nystrand, Ove
    出版 1998
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    Thesis 圖書
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    Post-dispersal predation on conifer seeds and juvenile seedlings in boreal forest /
  3. 3
    由 Vollbrecht, Gudmund
    出版 1994
    主題 “...Norway spruce Diseases and pests Denmark....”
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    Effects of silvicultural practices on the incidence of root and butt rot in Norway spruce with special emphasis on Heterobasidion annosum /
  4. 4
    由 Hedgren, Per Olof
    出版 2002
    主題 “...Norway spruce Diseases and pests Sweden....”
    Thesis 圖書
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    Dead wood retention and the risk of bark beetle attack /

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