Today Brad and Dan explore the background and rationale behind nitrogen rate recommendations in Minnesota. How have Minnesota's N rate recommendations evolved over time? What data does the MRTN approach take into account? How are these N rates organized?

Guests:

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

Additional resources:

• What to know about the MRTN approach
• Are you overspending on fertilizer?
• Corn Nitrogen Rate Calculator
• Corn fertilizer guidelines - U of M

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