Category Archives: Fertility & Soil

2013 Agronomy/Soils Field Day at Arlington on August 28th

The Departments of Agronomy and Soil Science in conjunction with the Arlington Agricultural Research Station will host their annual field day on August 28, 2013. The field day will highlight UW-Madison research with a theme of “Risk Mitigation in Today’s … Continue reading

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Potential for Nitrogen Loss Following Heavy Rainfalls

Carrie Laboski, Soil Fertility/Nutrient Management Extension Specialist Rainfall totals over the past week (June 19 to 26) in the southern half of Wisconsin range from 1 to 15 plus inches. Many soils are saturated and some fields have had or … Continue reading

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Basic Soil Sampling for Wisconsin Agriculture

Kevin Shelley, Nutrient and Pest Management Program Specialist This video demonstrates the recommended procedures for collecting soil samples for basic, field-average fertility analyses from farm fields in Wisconsin. It also discusses procedures for submitting the samples to a state-certified soil … Continue reading

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Update on Soil Profile Nitrate Concentrations

Update on Soil Profile Nitrate Concentrations Carrie Laboski, Extension Soil Fertility/Nutrient Management Specialist The soil nitrate monitoring network website was just updated with soil profile nitrate concentrations for 26 sites throughout Wisconsin. The results are not unlike two weeks ago. … Continue reading

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August 2013 Nitrogen Use Efficiency Conference in Kansas City

August 2013 Nitrogen Use Efficiency Conference in Kansas City Carrie Laboski, Extension Soil Fertility/Nutrient Management Specialist I’m passing along some information about a N use efficiency conference that may interest you. Managers and advisers on cropland N management will be … Continue reading

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Heavy rainfall causes loss of carry-over nitrogen on some fields

Heavy rainfall causes loss of carry-over nitrogen on some fields Carrie Laboski, Extension Soil Fertility/Nutrient Management Specialist Last week I answered the question: “Are chances for carry-over N diminishing?” The short answer was maybe. Large amounts of precipitation from last … Continue reading

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Nitrogen Credits Following Winter-killed Alfalfa

Nitrogen Credits Following Winter-killed Alfalfa Carrie Laboski, Extension Soil Fertility/Nutrient Management Specialist As alfalfa is greening up across the state, it is becoming apparent that there is a varying amount of winter-killed alfalfa. Based on the amount of winter-kill in … Continue reading

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Are Chances for Carry-Over Nitrogen Diminishing?

Are Chances for Carry-Over Nitrogen Diminishing? Carrie Laboski, Extension Soil Fertility/Nutrient Management Specialist With last summer’s drought throughout much of the state, we headed into winter with variable and sometimes high (eg. 325 lb N/a) amounts of nitrate remaining in … Continue reading

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Rains may not completely alleviate herbicide carryover concerns

Rains may not completely alleviate herbicide carryover concerns Vince M. Davis, University of Wisconsin-Madison This is just a reminder that while the excessive rain we’re experiencing is replenishing water in the soil profiles, it may not completely alleviate herbicide carryover … Continue reading

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Wisconsin Certified Soil Testing Laboratories

Wisconsin Certified Soil Testing Laboratories John Peters, Director – UW Soil Testing Laboratories As of April 2013, there are six laboratories certified by the Wisconsin Department of Agriculture, Trade and Consumer Protection for soil testing in Wisconsin.  For the 2013 … Continue reading

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