Browsing Forestry by Subject "Pacific Northwest"
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The Effects of Biomass Removal and Vegetation Control on Douglas-fir Foliar Nitrogen and Phosphorus in the Pacific Northwest, USA. As the demand for forest products increases, there is concern about the long-term impacts on site productivity. This study examines the foliar nitrogen (N) and phosphorus (P) of Douglas-fir (Pseudotsuga menziesii) trees ...