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  1. An inquiry into some of the relationships of soil and forest cover

  2. Growth and mycorrhiza formation of Douglas-fir seedlings grown in soils collected at different distances from hardwoods...

    A greenhouse bioassay was used to compare the effects

  3. Stability of soil structure for water movement in an aridisol

    Lack of stability of soil aggregates for water

  4. The effect of soil temperature and soil moisture stress on S-urea mineralization and ryegrass yield

    A growth chamber experiment was conducted to determine the

  5. Hydric Soils in Eastern Oregon Temporary Pools

    Two types of temporary poois, known as playas, occur in semiarid southeast Oregon.

  6. The imprint of coarse woody debris on soil biological and chemical properties in the western Oregon Cascades

    The abundance and spatial heterogeneity of coarse woody debris (CWD)

  7. Comparison of Disturbed and Undisturbed Soil Core Methods to Estimate Nitrogen-Mineralization Rates in Manured Agricultural...

    To the best of our knowledge, one or more authors of this paper were federal employees when contributing to this work. This is the publisher’s final pdf. The published article is copyrighted by Taylor &...

  8. Predictive mapping for the delineation of landtype association units in the Fremont National Forest, Oregon

    Predictive Soil Mapping (PSM) has recently become an attractive method for soil scientists wishing to develop a more objective and efficient approach to mapping soils. Due to the potential PSM has for reducing...

  9. Soil physical conditions and nitrogen fixation of soybeans (Glycine max. Merrill, var. Chippewa 64)

    The effect of soil water suction and soil temperature on rates

  10. Soils of the Oregon coastal fog belt in relation to the proposed "Andisol" order

    A study was conducted to evaluate the properties of soils in