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Fertility & Soil

Nutrient Content for Dairy and Swine Manure in Wisconsin, 1998-2010

Posted on February 1, 2011

Nutrient Content for Dairy and Swine Manure in Wisconsin, 1998-2010  John Peters, Department of Soil Science, UW-Madison The nutrient value of manure can be assigned by using estimated “book” or average available N, P2O5 and …

Posted in Fertility & Soil

Average Soil Test Phosphorus and Potassium Levels Decline in Wisconsin

Posted on January 28, 2011

Average Soil Test Phosphorus and Potassium Levels Decline in Wisconsin John Peters, Department of Soil Science Soil test data from over five million samples collected from Wisconsin farmland and analyzed by both public and private …

Posted in Fertility & Soil

Nitrogen Rate of Return Calculator UPDATED

Posted on December 22, 2010

Nitrogen Rate of Return Calculator UPDATED Mike Rankin, Crops and Soils Agent,UW Extension-Fond du Lac Co. A simple spreadsheet can be used to evaluate different net return per acre scenarios involving nitrogen (N) source, N cost, and …

Posted in Fertility & Soil
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