Category Archives: Fertility & Soil

2012 Sulfur Fertilizer Price Comparison for Alfalfa

2012 Sulfur Fertilizer Price Comparison for Alfalfa Carrie Laboski, Extension Soil Fertility and Nutrient Management Specialist Reports from Southwestern Wisconsin suggest that sulfur deficiency may already be showing up in some alfalfa fields. Sulfur (S) deficient alfalfa will appear lighter … Continue reading

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Wisconsin Certified Soil Testing Laboratories

Wisconsin Certified Soil Testing Laboratories John Peters, Director, UW Soil Testing Laboratories SGS Mowers Soil Testing Plus of Toulon, IL has withdrawn from the Wisconsin certification program.  Therefore, as of March 2012, there are now six laboratories certified by the … Continue reading

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Fertilizer Calculator Spreadsheet

Fertilizer Calculator Spreadsheet Craig Saxe, Agriculture Agent, UWEX Juneau Co. An Excel spreadsheet is now available to help with the math when applying fertilizer to a garden, lawn or small field plot. Using a soil test report and six simple steps, … Continue reading

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Diagnosing nutrient deficiencies in vegetable crops

Diagnosing nutrient deficiencies in vegetable crops Matt Ruark, Extension Soil Scientist Diagnosing nutrient deficiency symptoms in vegetables can be a challenge. They may be crops or plants with which we have little experience working with or the symptoms may not … Continue reading

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Considerations for late season UAN applications Matt Ruark, Extension Soil Scientist When deciding to make any late-season, rescue application of nitrogen (N), you will need to evaluate your N management program relative to the potential for N losses. Heavy rainfalls … Continue reading

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Use caution if planting oilseed radish on highly erodible soil types

Use caution if planting oilseed radish on highly erodible soil types Heidi Johnson, Jefferson County UWEX Agriculture Agent, Jim Stute, Rock County UWEX Agriculture Agent Using oilseed radish as a cover crop after winter wheat has been steadily increasing in … Continue reading

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Purple corn in late June, should you be concerned?

Purple corn in late June, should you be concerned? Carrie Laboski, Extension Soil Fertility Specialist, Department of Soil Science, UW-Madison There are some corn fields in Western Wisconsin and perhaps elsewhere in the State that have the purple colorations associated … Continue reading

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Assessing the Potential for Nitrogen Loss from Heavy Rainfalls

Assessing the Potential for Nitrogen Loss from Heavy Rainfalls Carrie Laboski, Extension Soil Fertility Specialist, Department of Soil Science, UW-Madison Several inches of rainfall over the past week and a half have many growers and agronomists concerned about the potential … Continue reading

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Using soil test results for more than just nutrient recommendations

Using soil test results for more than just nutrient recommendations By Amber Radatz, with assistance from John Peters and Matt Ruark, of The Department of Soil Science, UW Madison and Dennis Frame of UW Discovery Farms June 14, 2011 Results … Continue reading

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New video – Wisconsin’s pre-sidedress nitrate test (PSNT)

New video – Wisconsin’s pre-sidedress nitrate test (PSNT) Carrie Laboski, Extension Soil Scientist, Dept. of Soil Science, University of Wisconsin-Madison, Kevin Shelley, Outreach Specialist, Nutrient & Pest Management Program, University of Wisconsin- Madison The corn has been planted and is … Continue reading

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