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  1. 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

  2. Tall fescue grown for seed : a nutrient management guide for western Oregon

    Published September 2014 Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

  3. Christmas tree nutrient management guide : western Oregon and Washington

    Revised September 2009. Reviewed January 2015. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

  4. An Ecoregion-Based Reference Condition and Classification Scheme for Determining Nutrient Criteria in Oregon Lakes

    The anthropogenic introduction of nutrients to water bodies has been shown to alter the structure and function of natural aquatic ecosystems, yet national EPA lake and reservoir nutrient criteria remain too...

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