Category Archives: Fertility & Soil

Tips for Nitrogen Management in Winter Wheat

Carrie Laboski, Professor and Extension Soil Fertility/Nutrient Management Specialist In general, apply N early. At 50% of research sites in 2014 to 2016, N application at green-up out yielded application at Zadoks growth stage 30 (GS30, hollow stem – just … Continue reading

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Now is a good time to get manure spreaders calibrated for determining manure nutrient credits

Kevin Shelley, UW NPM Program With profit margins tight, this spring is a good time for manure spreader weighing and calibration on dairy and livestock farms. Determining the weight of an average load of manure is an important step in … Continue reading

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2016 Soil, Water, & Nutrient Management Meetings

Francisco Arriaga, Assistant Professor and Extension Specialist, Dept. of Soil Science The Department of Soil Science, in conjunction with University of Wisconsin-Cooperative Extension will host eight Soil, Water, & Nutrient Management Meetings around the state, starting Tuesday, November 29 through Friday, … Continue reading

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Multiple Resistance to ALS- and HPPD-inhibiting Herbicides in Palmer Amaranth from Iowa County, Wisconsin

Nathan Drewitz, Devin Hammer, Shawn Conley, and Dave Stoltenberg Department of Agronomy, University of Wisconsin-Madison Increasing Concern over Palmer Amaranth Palmer amaranth (Amaranthus palmeri) has become a challenging weed management problem in the southern U.S. and has recently spread to … Continue reading

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Common Waterhemp (Amaranthus rudis): Confirmed Herbicide Resistance and Spread Across Wisconsin

Devin Hammer, Nathan Drewitz, Shawn Conley, and Dave Stoltenberg Department of Agronomy, University of Wisconsin-Madison Herbicide resistance is not new to Wisconsin, but is spreading. Common waterhemp (Amaranthus rudis) has become an increasing concern in Wisconsin in recent years.  A … Continue reading

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Guidelines for Soil Compaction Management During a Wet Harvest Season

Francisco Arriaga, Assistant Professor and Extension Specialist, Dept. of Soil Science; francisco.arriaga@wisc.edu Brian Luck, Assistant Professor and Extension Specialist, Dept. of Biological Systems Engineering; bluck@wisc.edu University of Wisconsin-Madison, and UW-Extension Fast Facts: Waiting for better soil moisture conditions is best, but not … Continue reading

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Agronomy/Soils Field Day at ARS is Fast Approaching, Aug 31

Carrie Laboski, Professor & Extension Soil Fertility/Nutrient Management Specialist Agronomy/Soils Field Day will be held on August 31. There are five different tours from which to choose, but only three different tour departure times; so plan your day ahead of … Continue reading

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Plant analysis are you using it and interpreting the results correctly?

Carrie Laboski, Professor & Extension Soil Fertility/Nutrient Management Specialist Over the last two weeks I have received several calls/emails regarding interpretation of plant analysis results. In all situations, the agronomist asked how it was possible for corn plant sample results … Continue reading

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Nitrogen Applications to Maximize Winter Wheat Yield

Time Your Spring Nitrogen Applications to Maximize Winter Wheat Yield Carrie A.M. Laboski, Professor and Soil Fertility/Nutrient Management Specialist Proper timing of spring N application can significantly increase winter wheat yield. To maximize yields, growers should try to apply N … Continue reading

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Video update: Interseeding of cover crops into V5 corn

Interseeding cover crops into corn in Wisconsin: Can it work? Matt Ruark, Associate Professor, Dept. of Soil Science, Dan Smith, Graduate Student, Dept. of Agronomy The short answer is yes. Recent research at the Arlington Agricultural Research Station has demonstrated that … Continue reading

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