Iowa State University’s Northern Research and Demonstration Farm will host its Fall Field Day on Thursday, Sept. 4.

Matt Schnabel, farm superintendent, and Greg Guenther, president of the North Central Iowa Research Association, will begin the field day with welcoming comments. Field tours will include the following speakers and topics:

• Alison Robertson and Daren Muller, Iowa State University professors and extension plant pathologists, will discuss 2025 corn and soybean diseases and precipitation in relation to disease pressure.
• Richard Roth, assistant professor and nitrogen science and soil fertility specialist at Iowa State, will review the recent nitrogen and sulfur trial and other nitrogen-related topics.
• Wes Everman, assistant professor and extension weed scientist specialist at Iowa State, will discuss herbicides and control during the 2025 growing season.

Registration and refreshments will begin at 8:30 a.m., and the field day will start at 9 a.m. A complimentary lunch will be provided. The meeting is open to the public, and there is no cost to attend the meeting. 

Attendees are encouraged to pre-register by Sept. 2nd by emailing northernrf@iastate.edu or calling Matt Schnabel at 641-762-3247.

Certified Crop Advisors can earn two pest management (PM), and one nutrient management (NM) continuing education credits for attending this meeting.

For more information, contact extension field agronomists Gentry Sorenson at 641-430-6715 or gentrys@iastate.edu, or Angie Rieck Hinz at 515-231-2830 or amrieck@iastate.edu.