Plant and Soil Testing
Diagnosis
Puyallup Plant & Insect Diagnostic Laboratory - WSU
WSDA Plant Pathology Lab
Soil Testing
Soils
Resources from WSU.
Soil Test Interpretation Guide
Oregon State University Extension Service, EC 1478. Reprinted August 1999.
Alternative Soil Testing Laboratories
Steve Diver, Appropriate Technology Transfer for Rural Areas (ATTRA). Lists national labs that will test compost, as well as conventional soil. October 2002.
Plant Testing
Analytical laboratories and consultants serving agriculture in the Pacific Northwest
Washington St. Univ Ext. EB1578E. June 2003. Both soil and plant.
ELISA Testing Laboratory
Washington State University’s Plant disease testing laboratory.
Heading using the h3 tag
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