Washington State University Puyallup
  Organic Farming Systems and Nutrient Management

Soil Testing

Links for gardeners and farmers to resources on soil sampling, soil testing, and soil test interpretation.

Slideshow:

Giddings probe

 

Soil Testing Resources

The publications below do not come from our program, but they are useful guides for collecting soil samples, locating testing labs, and interpreting soil test results.

Testing:

Sullivan, D.M. and C.G. Cogger. 2003. Post harvest soil nitrate testing for manured systems west of the Cascades. EM8832-E.  Oregon State University Extension Service. [online pdf]

Gardner, E.H. and J. Hart.  1995.  Soil sampling for home gardens and small acreages.  Oregon St. Univ. Ext. Serv. EC 628. [online html and pdf]

Mahler, R.L. and T.A. Tindall.  Soil Sampling.  Univ. Idaho Coop. Ext. Bull. 704 (revised). [online pdf]

Soil Test Laboratories:

Daniels, C.H.  2002.  Analytical laboratories and consultants serving agriculture in the Pacific Northwest.  Washington St. Univ. Coop. Ext. EB1578E.  [online pdf]

Hart, J.  A list of analytical laboratories serving Oregon.  Oregon St. Univ. Ext. Serv. EM8677. [online pdf and html]

Interpreting Soil Test Results:

Marx, E.S., J. Hart, and R.G. Stevens. 1998.  Soil test interpretation guide.  Oregon St. Univ. Ext. Serv. EC 1478. [online pdf]

Secondary content using h2 tag.

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Heading using the h3 tag

Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.