Variable rate nitrogen: What are we trying to accomplish?

UMN Extension Nutrient Management Podcast

On this episode of Advancing Nitrogen Smart, Brad and Dan take some of the mystery out of variable rate N. What are we trying to accomplish when we use a variable rate management practice? What kinds of field conditions might benefit from VRN, and which conditions should be avoided with VRN? How might the other 3 R's (Timing, Source & Placement) play a part in rate decision making? All that and more on today's show.

Guests:

• Brad Carlson, Extension educator (Mankato)
• Dan Kaiser, Extension nutrient management specialist (St. Paul)

Additional resources:

• Is variable rate nitrogen based on yield maps a good idea?
• Variable rate nitrogen: What farmers should know
• Making sense of Minnesota’s corn fertilizer guidelines: Frequently asked questions and answers
• Fertilizing corn in Minnesota
• Nitrogen Smart

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Advancing Nitrogen Smart is proud to be supported by the farm families of Minnesota and their corn check-off investment through Minnesota Corn.