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Winter crops day

By Jerrold Tesmer

Fri, Dec 13th, 2013
Posted in All Agriculture

Ag Producers in southern Minnesota just finished a very challenging cropping season in 2013. We don’t know what is in store for the 2014 season, but crop management decisions are being made now and that will be the focus of the University of Minnesota, Southern Research and Outreach Center (SROC) annual Winter Crops day. The first Winter Crops day will be held on Wednesday, January 15 at the Good Times Restaurant in Caledonia. Producers, farm managers, Ag consultants and sales people, or others interested in learning about economically favorable and environmentally sustainable practices for Ag production will benefit from attending on January 15.

Each year the day begins with the Crop Weather Update a summary of the season’s weather as it relates to crop production in southern Minnesota. In addition to the weather, Tom Hoverstad, UM So. Research & Outreach Center, will cover “Weed Control in Corn and Soybeans – Focus on Preemergence Herbicides.” Glyphosate, the active ingredient in Roundup herbicide, has been the most common herbicide used on both corn and soybeans for the past 15 years. Some weeds have become harder to control in fields where other herbicides have not been used recently. This discussion will focus on herbicide timing and applications of other herbicide modes of action that can help control weeds where control with glyphosate has not been satisfactory.

Matt Yost, UM Agronomy & Plant Genetics, will discuss “Nitrogen Credits for Corn Following Alfalfa.” Most alfalfa producers also have a need for corn in their cropping system. Matt will present results of university research that examines how much nitrogen credit comes from alfalfa when corn follows alfalfa in a crop rotation. Both age and quality of alfalfa stand, tillage and climate factors will be examined along with first year and second year corn.

Seth Naeve, UM Agronomy & Plant Genetics, will share with us, “Multi-State Research on Soybean Inputs.” Seth will summarize research conducted across the nation that looks at many of the inputs that are being sold as yield enhancement agents for soybeans. This will include micronutrients, seed treatments, foliar fungicides, insecticides. These agents will be compared to cultural methods of enhancing soybean yield like plant population and row spacing.

Following lunch, Lisa Behnken, UM Extension or Scotty Wells are on tap for, “Forage Management in Southeast Minnesota.”

Ken Ostlie / Bob Koch, UM Entomology, “Corn Rootworm and Soybean Aphid Strange Behavior in 2013!” Corn rootworms were less of a factor in 2013 while soybean aphids were more of a problem than anticipated. Ken and Bob will look at the life cycle of each of these pests and discuss how this year can be a lesson for future management of these pests.

Jeff Vetsch, UM So. Research & Outreach Center, will address the question, “How are corn yield and N loss affected by N source, application timing, nitrification inhibitors and weather?” In his talk, Jeff will discuss the fate of nitrogen fertilizer and how application timing can affect different Fertilizer N sources like anhydrous ammonia, manure and urea. Jeff will also discuss nitrification inhibitors and their potential to slow loss of nitrogen from fertilizer and manure applications.

Cost for the event is $35 which will include morning refreshments, lunch, and handout materials. Continuing education credits have been applied for certified crop advisers. The program will be held on Wednesday, January 15 at the Good Times Restaurant in Caledonia. Registration begins at 8:30 and the program runs from 9 a.m. to 3 p.m. For speaker information details can be found at the SROC website at or call the Houston County Extension Office at 507-725-5807 or the SROC at 507-835-3620.

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