Soil Testing Links for gardeners and farmers to resources on soil sampling, soil testing, and soil test interpretation. Slideshow:
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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]