ISU Extension and Outreach Harrison County

08/26/2026

https://crops.extension.iastate.edu/post/red-crown-rot-confirmed-iowa

August 25, 2026 Content Author: Daren S Mueller, Adam Sisson, Chelsea J Harbach It was only a matter of time before this article needed to be written. Yesterday, we scouted a field in Des Moines County in southeast Iowa. The short story: red crown rot (RCR) was identified in a swath stretching acros...

08/22/2026

https://crops.extension.iastate.edu/post/western-bean-cutworms-caught-causing-injury-corn

August 21, 2026 Content Author: Ashley Dean, Erin Hodgson Agronomists across the state are opening corn ears for yield and disease assessments and are surprised by western bean cutworm larvae feeding inside. Western bean cutworm is one of several caterpillars found in corn ears this time of year, bu...

08/18/2026

Iowa State University Extension and Outreach-Harrison County is now taking applications for a full-time Office Assistant and Assistant Bookkeeper. The Harrison County Office Assistant and Assistant Bookkeeper will have customer service and office responsibilities, including data management and monitoring financial systems. A complete job description and application is available at https://www.extension.iastate.edu/jobs/harrison-office-assistantassistant-bookkeeper
All application materials must be received by September 4, 2026.

08/18/2026

https://yardandgarden.extension.iastate.edu/how-to/aggressive-plants-landscape

These are the plants some gardeners regret planting in their landscape. An aggressive plant is a species that spreads rapidly by seed, stems, rhizomes, roots, or other means and can quickly dominate an area, often crowding out desirable plants. Learn more about these plants to use with caution in th...

08/18/2026

The Iowa State University Digital Ag Innovation Lab, in collaboration with
Iowa State University Extension and Outreach, will host the inaugural Combine
University, a new hands-on educational program designed to help operators, producers
and agricultural professionals maximize harvest performance through practical education
and technology-focused learning.
The one-day program will be offered on August 24, 25 and 26, 2026 at Blomgren Seeds,
1927 250th St., Boone, Iowa 50036. Each day features the same curriculum allowing
participants to choose the date that best fits their schedule.
To register for Combine University, visit
https://www.regcytes.extension.iastate.edu/digitalag/combine-university/

08/18/2026

Iowa Learning Farms, in partnership with the Nishnabotna Watershed Project, will host a “Conservation On Tap” event on Thursday, Sep. 3, from 5:30 to 7 p.m. at the Judge Richard Distillery in Carson. The event, which is available at no cost, will provide local farmers, landowners and urban residents with a chance to discuss and ask questions as well as enjoy complimentary food and samples from the Judge Richard Distillery for attendees 21 or older with RSVP. There will be an opportunity for networking following the event.

08/13/2026

https://crops.extension.iastate.edu/post/curvularia-leaf-spot-or-something-else

08/10/2026

We congratulate the inaugural graduating class of Cultivate 360, including Iowa State University Extension and Outreach’s very own graduates:

Carter Oliver - Harrison County Director
Randall Vos - State Horticulture Field Specialist - Commercial Fruit Crops
Eric Weuve - Farm Management Specialist
Sara Wollner - Region 24 Director

Kudos to you and all of your fellow graduates for your dedication and hard work throughout the program! 🎓🥳

A special thank you to America's Cultivation Corridor for hosting Cultivate 360—a program designed to deepen understanding of Iowa’s food and ag sector, refine leadership skills, and expand professional networks.

Thank you to everyone who supported this cohort along the way. Here’s to the next generation of ag leaders!

07/29/2026

https://crops.extension.iastate.edu/encyclopedia/twospotted-spider-mites

Scouting for spider mites in field crops is encouraged with prolonged dry conditions. Twospotted spider mites can increase whenever temperatures are greater than 85°F, humidity is less than 90 percent, and moisture levels are low. These are ideal conditions for the twospotted spider mite and popula...

07/16/2026