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Soil-Test Results Summaries 2006-2010

The Iowa State University Soil Testing and Plant Analysis Laboratory received soil samples submitted by Iowa farmers from different counties statewide during January 2006 to December 2010.

Select soil-test results are summarized by county for phosphorus (P), potassium (K), zinc (Zn) and acidity levels (pH).

Pages / Length: 14
Publication Date: 03/2015

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