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  1. By: Harvey, A. E. - Intermountain Research Station (Ogden, Utah)
    Publication info: [Ogden, Utah], U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1986
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Ectomycorrhizas  Northwestern States  Soil management  Soil microbiology  Soil productivity  
  2. By: Amaranthus, Michael P. - Pacific Northwest Research Station (Portland, Or.)
    Publication info: [Portland, Or.], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1996]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Conifers  Ectomycorrhizas  Effect of soil compaction on  Plants  sowing