October 11, 2013
| Posted in Nutrient Management
Source: By Antonio P. Mallarino and John E. Sawyer, Iowa State University Department of Agronomy
This article highlights revisions to Iowa State University (ISU) soil-test interpretations and application guidelines for phosphorus (P), potassium (K) and lime in an update of extension publication PM 1688 "A General Guide for Crop Nutrient and Limestone Recommendations in Iowa."
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