Nutrients to Watch in 2011: Sulfur and Potassium Carrie Laboski, Extension Soil Fertility Specialist, University of Wisconsin-Madison, Jerry Clark, Crop & Soils Agent, University of Wisconsin-Extension, Chippewa and Eau Claire Counties Sulfur (S) and potassium …
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Is Land Rolling a Practice for Wisconsin Crop Production?
Is Land Rolling a Practice for Wisconsin Crop Production? Dick Wolkowski, Extension Soil Scientist Land rolling is the practice of pulling large cylindrical rollers over fields with the objective of smoothing the ground. Typically the practice …
Phosphorus Content of Dairy Rations and Manure Wisconsin Trends 2002-2010
Phosphorus Content of Dairy Rations and Manure Wisconsin Trends 2002-2010 John Peters, Department of Soil Science Comparison of dairy TMR total P levels with manure P content For the past nine years the UW Soil …
New Instructional Video on Calibrating a Manure Spreader
New Instructional Video on Calibrating a Manure Spreader Kevin B. Shelley, UWEX Nutrient and Pest Management Program The UW Extension Nutrient and Pest Management Program has produced an instructional video on determining manure application rates …
Soil Sampling and Testing Issues For Nutrient Management: Certified Labs and Grid Sampling
Soil Sampling and Testing Issues For Nutrient Management: Certified Labs and Grid Sampling Kevan Klingberg, UW Discovery Farms Program Twice this winter I have run into snags helping individual producers walk their way into loading …
Nutrient Content for Dairy and Swine Manure in Wisconsin, 1998-2010
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 …
Average Soil Test Phosphorus and Potassium Levels Decline in Wisconsin
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 …
USDA-APHIS grants nonregulated status for roundup ready alfalfa
USDA-APHIS grants nonregulated status for roundup ready alfalfa Mark Renz, Extension Weed Scientist, University of Wisconsin Madison On January 27, 2011 USDA-APHIS announced it will deregulate Roundup Ready alfalfa. This decision will lift the three …
Nitrogen Rate of Return Calculator UPDATED
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 …