{"id":201,"date":"2014-12-11T23:55:53","date_gmt":"2014-12-11T23:55:53","guid":{"rendered":"http:\/\/puyallup.wsu.edu\/soils\/?page_id=201"},"modified":"2025-12-18T14:20:03","modified_gmt":"2025-12-18T22:20:03","slug":"soils","status":"publish","type":"page","link":"https:\/\/puyallup.wsu.edu\/soils\/archive-wsu-puyallups-legacy-of-urban-and-organic-systems-research\/soils\/","title":{"rendered":"Soils & Laboratory Testing"},"content":{"rendered":"
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\r\n\t\tArchive: Soils and Laboratory Testing\t<\/h1>\r\n\t\t<\/header>\r\n\n\n
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How to Collect Soil Samples:<\/h2>\n

\u2663Collecting a Soil Sample (Video-Online).<\/strong><\/a> Shows procedure for collecting\u00a0soil samples for nutrient analysis from a garden or small farm. C.G. Cogger. 2010.<\/p>\n

A Guide to Collecting Soil Samples for Farms and Gardens<\/strong> (PDF\/HTML-Online).<\/a>\u00a0Fery, M. and E. Murphy. 2013. EC 628.\u00a0Oregon St. Univ. Ext. Serv.<\/p>\n

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Determining Soil Properties:<\/h2>\n

Determining Soil Texture by Hand (Video-Online).<\/strong><\/a>\u00a0 Learn how to estimate the texture of your soil by working a soil sample with your hand. C.G. Cogger 2010.<\/p>\n

Estimating Soil Texture by Hand, Estimando la Texture del Suelo<\/strong> (PDF-Online).<\/a>\u00a0Flowcharts, English and Espa\u00f1ol versions. C.G. Cogger.<\/p>\n

Water and Soil: the Sponge Analogy for Soil Moisture (Video-Online).<\/strong><\/a>\u00a0\u00a0Explains the role of soil pores in water movement and water holding capacity using a sponge as an analogy. C.G. Cogger 2010.<\/p>\n

General Soil Information:<\/h2>\n

Soils of the Puget Sound Area (PDF-Online<\/strong><\/a>,<\/strong> use browser’s vertical scroll bar to page through slides<\/em>). A set of 29 slides that show the major soil types of the Puget Sound area, how they are related to local geology, and their suitability and limitations for different types of land use. C.G. Cogger.<\/p>\n

The USDA web site:<\/h2>\n

The USDA website <\/strong><\/a>has a wealth of information on soil types, classification, maps, soil quality, state soils, soil uses, etc. A new addition is on-line access to county soil surveys. This is a work in progress; some counties have the complete survey available on line, while others are only partially done.<\/p>\n

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Analytical Testing Laboratories:<\/h2>\n

WSU does not provide testing, but the following databases list a big selection of laboratories for testing of soils, water, air, composts, plants, fertilizers, etc, for\u00a0nutrients, diseases, chemicals, contaminants, etc. These links are not WSU verified sources of information.\u00a0 Listing dos not imply endorsement.<\/em><\/p>\n

Analytical Laboratories and Consultants Serving Agriculture in the Pacific Northwest<\/strong> (Website Database).<\/a><\/p>\n

Analytical Laboratories Serving Oregon (PDF\/HTML Online).<\/strong><\/a>\u00a0<\/strong> Andrews, S., D.L. Walenta. C.S. Sullivan, L.V. Henderson, and L.J. Brewer.\u00a0 2017. EM8677 Oregon St. Univ. Ext. Serv.<\/p>\n

List of Laboratories on The North American Proficiency Testing Program Website<\/strong> (Website Database).<\/a><\/p>\n

Washington State Department of Ecology Database of Accredited Laboratories<\/strong> (Website Database).<\/a><\/p>\n

Interpreting Soil Test Results:<\/h2>\n

Understanding Soil Tests. (PDF Slideshow-Online, 28 slides,<\/strong><\/a> use browser’s vertical scroll bar to page through slides<\/em>). Cogger, C.G.<\/p>\n

Soil Test Interpretation Guide (PDF-Online).<\/strong><\/a> Horneck, D.A., D.M. Sullivan, J.S. Owen, and J.M. Hart. 2011.\u00a0 EC 1478. Oregon St. Univ. Ext. Serv.<\/p>\n

Soil Organic Matter as a Soil Health Indicator: Sampling, Testing and Interpretation.<\/strong> (PDF-Online).<\/a> Sullivan, D.M., A. Moore, and L.J. Brewer. 2019. EM 9251. Oregon St. Univ. Ext. Serv.<\/p>\n

Soil Nitrate Testing for Willamette Valley Vegetable Production (PDF-Online).<\/strong><\/a> Sullivan, D.M., N.D. Andrews, A. Heinrich, E. Peachey, L.J. Brewer. 2019. EM 9221. Oregon St. Univ. Ext. Serv.<\/p>\n

Baseline Soil Nitrogen Mineralization: Measurement and Interpretation (PDF-Online).<\/strong><\/a> Sullivan, D.M., A. Moore, B. Verhoeven, and L.J. Brewer. 2020. EM 9281. Oregon St. Univ. Ext. Serv.<\/p>\n

La Composici\u00f3n y An\u00e1lisis de Suelos (PDF Presentaci\u00f3n de diapositivas, 23 diapositivas,<\/strong><\/a> utilizar la barra de desplazamiento vertical del navegador a la p\u00e1gina a trav\u00e9s de diapositivas<\/em>). Cogger, C.G.<\/p>\n

Silage Corn (Western Oregon) Nutrient Management Guide (PDF-Online).<\/strong><\/a> Hart, J., D. Sullivan, M. Gamroth, T. Towning, and A. Peters. 2009. EM8978-E. Oregon St. Univ. Ext. Serv.<\/p>\n

Sweet Corn (Western Oregon) Nutrient Management Guide\u00a0(PDF-Online).<\/strong><\/a> Hart, J., D. Sullivan, J.R. Myers, and R.E. Peachey. 2010. EM9010-E. Oregon St. Univ. Ext. Serv.<\/p>\n

Post-Harvest Soil Nitrate Testing for Manured Cropping Systems West of the Cascades (PDF-Online).<\/strong><\/a> Sullivan, D.M. and C.G. Cogger. 2003. EM8832-E.\u00a0 Oregon St. Univ. Ext. Serv.<\/p>\n\n<\/div>\r\n\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":681,"featured_media":0,"parent":2311,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"categories":[],"tags":[],"wsuwp_university_location":[55,49],"wsuwp_university_org":[396],"_links":{"self":[{"href":"https:\/\/puyallup.wsu.edu\/soils\/wp-json\/wp\/v2\/pages\/201"}],"collection":[{"href":"https:\/\/puyallup.wsu.edu\/soils\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/puyallup.wsu.edu\/soils\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/puyallup.wsu.edu\/soils\/wp-json\/wp\/v2\/users\/681"}],"replies":[{"embeddable":true,"href":"https:\/\/puyallup.wsu.edu\/soils\/wp-json\/wp\/v2\/comments?post=201"}],"version-history":[{"count":92,"href":"https:\/\/puyallup.wsu.edu\/soils\/wp-json\/wp\/v2\/pages\/201\/revisions"}],"predecessor-version":[{"id":2548,"href":"https:\/\/puyallup.wsu.edu\/soils\/wp-json\/wp\/v2\/pages\/201\/revisions\/2548"}],"up":[{"embeddable":true,"href":"https:\/\/puyallup.wsu.edu\/soils\/wp-json\/wp\/v2\/pages\/2311"}],"wp:attachment":[{"href":"https:\/\/puyallup.wsu.edu\/soils\/wp-json\/wp\/v2\/media?parent=201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/puyallup.wsu.edu\/soils\/wp-json\/wp\/v2\/categories?post=201"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/puyallup.wsu.edu\/soils\/wp-json\/wp\/v2\/tags?post=201"},{"taxonomy":"wsuwp_university_location","embeddable":true,"href":"https:\/\/puyallup.wsu.edu\/soils\/wp-json\/wp\/v2\/wsuwp_university_location?post=201"},{"taxonomy":"wsuwp_university_org","embeddable":true,"href":"https:\/\/puyallup.wsu.edu\/soils\/wp-json\/wp\/v2\/wsuwp_university_org?post=201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}