Category Archives: Crops

Recent Cold Temps Have Little Impact on Soybean or Winter Wheat Crop

Coauthored by Dr. Shawn P. Conley  and Dr. Jim Specht Last nights cold temperature has led to an influx of questions regarding the potential impact on either the wheat crop or emerged soybean seedlings. In short there is nothing to … Continue reading

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Alfalfa Weevils

Bryan Jensen UW Extension It is time (or soon will be!) to start scouting for alfalfa weevil damage in established alfalfa stands. We suggest spot-checking for early signs of damage when 300 weevil degrees have accumulated. This degree day map … Continue reading

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Cover Crop Termination before Planting Soybean

Liz Bosak, Outreach Specialist, Department of Agronomy, University of Wisconsin-Madison Tough, cold Wisconsin winters translate into fewer cover crop species requiring spring termination before planting. For a quick chart of cover crop species that tend to winterkill, download the “Cover … Continue reading

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Using Fungicides on Alfalfa for Dairy Production in Wisconsin

Damon Smith, Assistant Professor and Extension Field Crops Plant Pathologist, UW-Madison; Scott Chapman, Researcher, Departments of Plant Pathology and Entomology, UW-Madison; Bryan Jensen, Outreach Program Manager, Integrated Pest Management Program, UW-Madison; Greg Blonde, Agricultural Agent, UW-Extension, UW-Madison; Bill Halfman, Agricultural … Continue reading

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What data layers are important for variable rate soybean seeding prescriptions?

Ethan Smidt, John Gaska and Shawn Conley, Department of Agronomy ; Jun Zhu, Department of Statistics and Department of Entomology; University of Wisconsin-Madison Introduction Growers are collecting many forms of spatial data for their fields, including yield, elevation and soils … Continue reading

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Herbicide Injury Diagnosis for Corn Seedlings at Emergence

Liz Bosak, Outreach Specialist, Department of Agronomy Depending upon the herbicide, injury can occur after a pre-emergence application when corn is germinating in cool, wet soils. This year, if corn was planted in mid-April then you may observe some injury. … Continue reading

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2015 Wisconsin Soybean Yield Contest

Shawn Conley, Soybean and Wheat Extension Specialist Wisconsin growers are producing soybeans more efficiently than they were 30 years ago, and we want to recognize the efforts and achievements of Wisconsin’s top soybean producers. 2015 Wisconsin Soybean Yield Contest Brochure … Continue reading

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Soybean Planting Date by Maturity Group Considerations for 2015

Article coauthored by Dr. Shawn P. Conley and Adam Gaspar Early May planting in Wisconsin has been documented to increase soybean seed yield due to increased light interception (Gaspar and Conley, 2015). In theory, earlier planting can potentially intercept greater … Continue reading

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The Relationship Between the Causal Agent of SDS and SCN in Wisconsin

David Marburger, Shawn Conley, John Gaska and Laurie Gerber, Department of Agronomy, UW-Madison; Ann MacGuidwin and Damon Smith, Department of Plant Pathology, UW-Madison Introduction Soybean Cyst Nematode (SCN) is an economically important disease of soybean in Wisconsin. It was first … Continue reading

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Monitor Seedcorn Maggot Degree Days for Successful Planting of Untreated Soybean Seed

Kevin Shelley, UW Nutrient and Pest Management Program In this year of predicted tight margins for producing field crops, farmers are asking which expenses they might be able to cut—treated soybean seed might be an option. Soybeans are often planted … Continue reading

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