The Influence of Geologic Nitrogen on Douglas Fir Foliar Mass and Elemental Composition

Scott Allen Mitchell1, Scott Morford1, Benjamin Z Houlton2, Randy A Dahlgren1 and Katherine A Dynarski3, (1)University of California Davis, Davis, CA, United States, (2)University of California Davis, Department of Land, Air and Water Resources, Davis, CA, United States, (3)USDA-NRCS National Soil Survey Center, Lincoln, United States