July 25, 2017


9:00 am - 3:00 pm


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Who & What:

Retailers, farmers and other interested parties in the agriculture industry are invited to a free 4R Technology Review Field Day at the Dave Legvold Farm, hosted by the Minnesota Agricultural Water Resource Center, in partnership with The Mosaic Company, Environmental Tillage Systems, The Fertilizer Institute, and other industry leaders.

When & Where:

Tuesday, July 25, 2017, 9:00 a.m. – 3:00 p.m.

Dave Legvold Farm, 5103 315th Street West, Northfield, MN 55057

Lunch is included.

Event Details:

The 4R Technology Review Field Day will provide retailers and farmers with information on 4R practices, research and technologies, demonstrations, with guest speakers Tim Radatz, MAWRC; Mark Dittrich, Minnesota Department of Ag; Jeff Vetsch, University of Minnesota; Melinda Sposari, TFI; Steve Emory, CPS; and Adam Herges, Mosaic.

Continuing Education Credits are also available for Certified Crop Advisers in attendance.


Sponsors: The field day is bought to you by the following sponsors:




9:00- Welcome and Introduction- Warren Formo, MAWRC & Dave Legvold, Farmer and 4R Advocate

9:30- 4R Nutrient Stewardship Overview- Melinda Sposari, TFI & Steve Emery, CPS

9:45- 4R Nutrient Stewardship Certification- Adam Herges, Mosaic

10:00- Break

10:15- Review of edge-of-field nutrient transport- Tim Radatz, Discovery Farms Minnesota

11:15- Saturated Buffer Overview- Dave Legvold , Farmer and 4R Advocate & Mark Dittrich, MN Dept. of Agriculture

11:45- Nitrogen Abatement Strategies- Jeff Vetsch, University of Minnesota

12:15- Lunch

1:00-3:00- Field Demonstrations

Strip-till fertilizer placement/nutrient management-  Dave Sender, ETS

Seed placement in heavy residue- Ken Thomas, Agronomist, Farmers Mill and Elevator

Saturated Buffer- Dave Legvold, Farmer and 4R Advocate & Mark Dittrich, MN Dept. of Agriculture

Register for this Workshop

Bookings are closed for this event.