Blog

Meaghan Anderson
December 4, 2018 8:25 AM

Bob Hartzler
December 4, 2018 8:25 AM

This is part two of a four-part series originally posted in 2016 on using multiple, effective herbicide sites of action (herbicide groups) at effective rates as part of a long-term weed management system. Read...

Herbicide Resistance

Meaghan Anderson
November 27, 2018 12:56 PM

Bob Hartzler
November 27, 2018 12:56 PM

This is part one of a four-part series originally posted in 2016 on using multiple, effective herbicide sites of action (herbicide groups) at effective rates as part of a long-term weed management system.

With the stagnant development of new herbicides and weeds seemingly...

Herbicide Resistance

Mahdi Al-Kaisi
November 13, 2018 3:23 PM

Soil health is the foundation for a vibrant and strong agriculture system and economy. Healthy soils are essential to healthy environments including clean air and clean water for sustainable agriculture and livelihoods. The...

Soils, Soil Management

Niranjana Krishnan
November 10, 2018 11:15 PM

Pesticides are substances that are designed to control pests. Every year, nearly six billion pounds of pesticides are applied worldwide. In agricultural fields, they can be...

Insects and Mites

Bob Hartzler
November 1, 2018 7:31 AM

Updated on November 2, 2018

I feel obligated to write something about EPA’s dicamba announcement, but will confess at this time I still have several questions...

Weeds

Bob Hartzler
October 31, 2018 1:05 PM

While the monarch butterfly is a globally distributed species, the eastern United States population is renowned for its annual migration from the breeding range in the northeastern United States (and Canada) to overwintering sites in central Mexico.  Overwintering populations of this cohort have...

Crop Production

Ethan Stoetzer
October 26, 2018 2:04 PM

The follow-up to this summer's 'Sporecaster' smartphone application, designed to help farmers predict the need for a fungicide application to control white mold in soybean, is now available for download.

While Sporecaster can help farmers evaluate their risk for white mold using infection...

Plant Diseases

Shawn Shouse
October 18, 2018 3:26 PM

The 2018 Iowa harvest is posing many challenges. Higher than average harvest losses are likely due to excessive soybean shatter, flooded and wet field conditions, and lodged corn and beans.

Harvest losses can only be managed if you know where and why they are occurring. Measuring harvest...

Crop Production

Ethan Stoetzer
October 17, 2018 11:43 AM

The college classroom teaches you a multitude of things that you probably need to know in order to make sense of the world around you. But an internship that gives you experience in that world can mean the difference of succeeding in life or just getting by. As an agricultural communications...

Crop Production

Daren Mueller
October 15, 2018 11:01 AM

Ethan Stoetzer
October 15, 2018 11:01 AM

With the 2018 growing season coming to an end, it’s time to bust out the record books and begin logging the most prevalent diseases we’ve seen this year in Iowa soybeans. It’s important to review  these diseases so that farmers, agronomists and all of our partners can make informed decisions...

Plant Diseases

Ethan Stoetzer
October 10, 2018 12:40 PM

With all eyes now on harvested grain quality and scouting for mycotoxins as a result of ear rot, it's important that producers and agronomists have access to all the information possible, on whichever medium they prefer to use.

An application is available on both Android and iOS that can...

Grain Handling and Storage

Elizabeth Buffington
September 26, 2018 11:04 AM

WPS train the trainer imageA web-based national Worker Protection Standard (WPS) course to qualify trainers to train both workers and handlers is now...

Pesticide Education

Rafael Martinez-Feria
September 21, 2018 9:57 AM

Sotirios Archontoulis
September 21, 2018 9:57 AM

Mark Licht
September 21, 2018 9:57 AM

Corn and soybean harvest has started across many parts of Iowa. Some areas of the state have swung between warm-dry and cool- wet weather within the last few days. With more rain in the forecast, a few producers may be wondering about how fast corn will dry down in the field in the coming weeks...

Crop Production

Ethan Stoetzer
September 12, 2018 10:54 AM

Daren Mueller
September 12, 2018 10:54 AM

The University of Illinois, Urbana, is seeking assistance from its friendly neighbor to the west, the corn-state of Iowa, in locating samples of tar spot in corn. This is part of the university’s new research project investigating the genetic variability of the tar spot pathogen.

Tar spot...

Plant Diseases

Bob Hartzler
September 3, 2018 8:53 AM

It's Labor Day weekend, that means it's time for me to see what's happening at the first three Palmer amaranth infestations in western Iowa. The infestations (Harrison, Fremont, and Page Counties) were first reported in 2013.  Harrison County had two fields (approximately 50 acres) with...

Weeds

Bob Hartzler
August 25, 2018 10:10 AM

The finding of mile-a-minute weed near Knoxville, and the subsequent request for reports of additional infestations, has led to a flurry of calls regarding potential findings. Fortunately, none of the reports have been positive, but we appreciate people paying attention to plants in the...

Weeds

Bob Hartzler
August 15, 2018 12:40 PM

Meaghan Anderson
August 15, 2018 12:40 PM

Another contest is in the books, and once again we provided a sufficient challenge to prevent anyone from earning a perfect score.  In the Professional Division, two-time defending champion Cindy Recker was narrowly edged out by Karen Stiles, last year’s winner in the General Division. Both...

Weeds

Ethan Stoetzer
August 8, 2018 9:27 AM

Maya C Hayslett
August 8, 2018 9:27 AM

In June, as part of the annual Iowa 4-H Youth Conference, 13 students participated in the CSI: Crop Science Investigation workshop.

Students who participated...

Crop Production

Meaghan Anderson
August 3, 2018 2:43 PM

Virgil Schmitt
August 3, 2018 2:43 PM

Rebecca Vittetoe
August 3, 2018 2:43 PM

Joshua Michel
August 3, 2018 2:43 PM

Mark your calendar for the September 6Fall Field Day at the Southeast Research and Demonstration Farm near Crawfordsville.

This year’s fall field day will feature the following topics:

  • “A Season in Review” by Myron Rees, Southeast Research Farm Superintendent
  • ...
Crop Production

Rebecca Vittetoe
July 31, 2018 3:11 PM

Late season weed escapes, off-target herbicide movement, sightings of soybean aphids, and a little bit of frogeye leaf spot were some of the common issues that Iowa State University Extension and Outreach field agronomists saw in...

Crop Production

Sotirios Archontoulis
July 25, 2018 7:13 AM

Mark Licht
July 25, 2018 7:13 AM

Our analysis shows that soybean more has been more adversely affected by the 2018 weather compared to corn. Soybean yield potential has dropped while corn yield potential is still high. We are in the midst of critical corn grain filling now and soybean grain filling will be starting soon....

Crop Production

Rebecca Vittetoe
July 24, 2018 3:27 PM

Gray leaf spot, spotting of soybean aphids, and off-target herbicide movement seem to be common and big issues that Iowa State University Extension and Outreach field agronomists saw across the state this past week. Read on for more...

Crop Production

Bob Hartzler
July 23, 2018 3:36 PM

Meaghan Anderson
July 23, 2018 3:36 PM

Mile-a-minute weed (Persicaria perfoliata) is an invasive species in the Polygonaceae (smartweed) family that is native to Asia.  It is believed to have been introduced to the United States in the late 1800’s and early 1900’s, but the initial introductions failed to form permanent...

Weeds

Rebecca Vittetoe
July 18, 2018 11:18 AM

This past week brought drier conditions across the state. Northern Iowa appreciated the chance to dry out some, but parts of southern Iowa could really benefit from some much needed rain. Check out what Iowa State University Extension and Outreach ...

Crop Production

Erin Hodgson
July 17, 2018 8:06 AM

Humans are making more sound, and it can interfere with animals finding mates, food and other essential behaviors. Most of the research showing impacts of human-generated sound is largely focused on vertebrates. Biologists at Mississippi State University were curious about sound potentially...

Insects and Mites

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