Sidedressing nitrogen: What should growers keep in mind when applying in-season?

University of Minnesota Extension’s two-day field School for Ag Professionals is coming up July 29 and July 30, 2026. If you’re an agronomist, a retailer, dealer or consultant, if you’re a summer field scout - we encourage you to attend these small-group, hands-on sessions led in the field by experienced instructors. 12 Certified Crop Advisor CEUs credits are available! For all the details, including info on lodging, visit z.umn.edu/AgFieldSchool2026In the 4th episode of the Advancing Nitrogen Smart series, we’re talking in-depth about sidedress. What are the growth stages critical to growers when sidedressing? What are options for assessing whether to add supplemental N, and how should they be used? How do wet conditions affect yield, and are rescue treatments economically advantageous? What sensing methods are available (such as drones) and what are their pros and cons?Guests:Daniel Kaiser, Extension nutrient management specialist (St. Paul)Brad Carlson, Extension educator (Mankato)Additional resources:The Supplemental Nitrogen Worksheet for Corn: a tool for in-season nitrogen management decisionsNitrogenNitrogen Smart---For the latest nutrient management information, subscribe to the Nutrient Management Podcast. And don't forget to subscribe to the Minnesota Crop News daily or weekly email newsletter, subscribe to our YouTube channel, like UMN Extension Nutrient Management on Facebook, follow us on Twitter, and visit our website.If you have questions or comments, please email us at [email protected] Nitrogen Smart is proud to be supported by the farm families of Minnesota and their corn check-off investment through Minnesota Corn.