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Soils

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  1. Soil test interpretation guide

    Published 1996. A more recent revision exists. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog:...

  2. Soil test interpretation guide

    Revised July 2011. Reviewed July 2015. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

  3. How to take a soil sample and why

    Published January 1973. 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

Landscapes and Ecosystems