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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Beta test – Seedcorn maggot thermal model, first-generation peak adult emergence at 360 D.D.

http://agwx.soils.wisc.edu/soils-agwx-assets/uwex_agwx/images/ddgifs/WIMNDDSine39_1.png

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Beta test – Alfalfa Weevil Thermal Model, Start scouting at 300 D.D.

http://agwx.soils.wisc.edu/soils-agwx-assets/uwex_agwx/images/ddgifs/WIMNDDSine48_1.png

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Beta test- WI-MN, yesterday’s ET value map

http://agwx.soils.wisc.edu/soils-agwx-assets/uwex_agwx/images/sun_water/yestWIMNet.gif

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