Blog

Bob Hartzler
January 31, 2019 7:09 AM

Recent text from an extension client:  
Mark Licht is telling us to plant 120-140K soybeans.  Tells us why more isn’t cost effective. You tell us 160K 15” rows for weeds.  I wish you all would coordinate your story. The bottom line is net profit which is a holistic concept but every...

Weeds

Elizabeth Buffington
January 25, 2019 1:32 PM

Under the Worker Protection Standard (WPS) as revised in 2015, agricultural workers and pesticide handlers must be trained annually in pesticide safety.

Who needs to be trained?

Both agricultural workers (people employed to perform work activities related to the...

Pesticide Education

Greg Tylka
January 23, 2019 2:23 PM

The Iowa Soybean Association has hosted a farmer-oriented research conference in February for many years. In 2019, the event is moving out into the state. The ISA Farmer Research Tour will be held at three locations in the first two weeks of February. This article contains the dates and...

Crop Production

Brent Pringnitz
January 14, 2019 1:44 PM

John Sawyer
January 14, 2019 1:44 PM

Making sound soil fertility management decisions is an important part of successful crop production, on both an economic and environmental level. Iowa State University Extension and Outreach will be offering a two-day short course focusing on principles of soils, soil fertility and nutrient...

Crop Production, Soils, Soil Fertility, Soil Management

Ethan Stoetzer
January 7, 2019 11:18 AM

As 2018 was winding down, your extension specialists were gearing up, publishing eight pest-management related guides for the 2019 growing season. Several of these guides are downloadable, for free, on the Iowa State University Extension Store. Now's the perfect time to gather materials to...

Crop Production, Insects and Mites, Pesticide Education, Plant Diseases, Weeds, Herbicide Resistance

Meaghan Anderson
December 20, 2018 11:03 AM

Bob Hartzler
December 20, 2018 11:03 AM

This is part three 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

Bob Hartzler
December 13, 2018 12:36 PM

While herbicide resistance is not a new issue, the rapid increase in multiple resistant biotypes in waterhemp, giant ragweed, and horseweed (marestail) is limiting herbicidal options. A waterhemp biotype resistant to six herbicide groups (2, 4, 5, 9, 14, and 27) was recently identified in...

Weeds

Ethan Stoetzer
December 12, 2018 1:20 PM

Adam Sisson
December 12, 2018 1:20 PM

Winter has nearly arrived. The fields are harvested. Equipment has been tucked in, and the evaluation of the season is well underway. While the new year brings the promise of a great crop season in 2019, it’s important to remember that while we recharge for the winter, so do field crop pests....

Crop Production, Insects and Mites, Pesticide Education, Plant Diseases, Weeds, Herbicide Resistance

Meaghan Anderson
December 11, 2018 12:47 PM

Bob Hartzler
December 11, 2018 12:47 PM

This is part three 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
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

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