Author Archives: ipcm-edit

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 K2O content. However, testing manure may … Continue reading

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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 Wisconsin Department of Agriculture, Trade … Continue reading

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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 year ban on planting of … Continue reading

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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 expected corn price. The spreadsheet lets … Continue reading

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