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United States Department of Agriculture


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https://www.fs.usda.gov/treesearch/content/pdf?name=Laminated%20root%20rot%20in%20a%20western%20Washington%20plantation:%208-year%20mortality%20and%20growth%20of%20Douglas-fir%20as%20related%20to%20infected%20stumps,%20tree%20density,%20and%20fertilization