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Soils

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  1. Variations of moisture retention properties and bulk densities of soils between and within soil-mapping units in central...

    The objective of this study was to estimate the bulk densities and points on the moisture-tension curves and to determine their associated variances for some of the selected mapping units in Central Oregon....

  2. Relationships among phosphorus soil tests, forms of soil phosphorus, and plant uptake of phosphorus for selected southwestern...

    A diversity in climate, geologic parent material, and soil

  3. Distribution and characteristics of loess-like soil parent material in northwestern Oregon

  4. Potassium release from several western Oregon soils and its relationship to crop growth and soil mineralogy

  5. The relationship of exchange acidity and exchangeable aluminum in limed and unlimed profile samples of soil from western...

    Acidity distribution within any given soil profile is dependent on

  6. Nature of interlayer material in silicate clays of selected Oregon soils

    A study was conducted to investigate the nature of hydroxy

  7. Manual for judging Oregon soils

    Published September 1984. A more recent revision exists. Information within this publication may be outdated. Please check for up-to-date titles in the OSU Extension Catalog:...

  8. Biennial report, Oregon soil investigations, 1918-1920

  9. Soils of Oregon : summaries of physical and chemical data

    Published June 1982. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

  10. SR no. 662_ocr_part2.pdf

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