Jody Korthaus

September 18, 2017 2:30 PM

To help farmers and agronomists identify, scout, and manage corn diseases a new Corn Diseases booklet, published by Iowa State University Extension and Outreach, is now available to crop producers and industry professionals. The up-...

Plant Diseases
August 14, 2017 12:07 PM

Six teams of Iowa youth from across the state participated in the seventh annual Iowa Crop Scouting Competition on July 31 at the ISU Extension and Outreach...

Crop Production, Insects and Mites, Plant Diseases, Weeds
July 17, 2017 12:14 PM

1) Develops in hot, dry weather conditions. Charcoal rot is a fungal disease that is most severe in years and areas experiencing hot, dry weather. However, this disease can also cause losses when ample moisture is present, making it a hidden threat to yield.


Plant Diseases
July 14, 2017 4:13 PM

The Twitter accounts @corndisease and @soydisease are a place for farmers agronomists, crop consultants, and specialists to collectively document and track...

Insects and Mites, Plant Diseases, Weeds
July 7, 2017 12:05 PM

While scouting corn and soybean fields this summer, farmers and agribusiness professionals are encouraged to tweet a photo with the name of the crop disease, county, and state to either @corndisease or...

Insects and Mites, Plant Diseases, Weeds
June 15, 2017 2:07 PM

The Field Extension Education Lab has five clinics/workshops this summer in July and August. Below is a list of programming updates that correlate with current farmer concerns and this year’s crop issues:

  • ...
Crop Production, Insects and Mites, Plant Diseases, Soils, Weeds, Herbicide Resistance
March 1, 2017 10:55 AM

The new crop season is right around the corner, and we want you to be prepared!

Two publications have new bundle discounts—the Weed Identification Field Guide, 2nd Edition, and the new Corn and Soybean Field Guide, recently published in fall 2016.


Plant Diseases, Weeds
September 13, 2016 3:17 PM

On Sept. 8, Iowa State University Extension and Outreach hosted a fall field day at the ISU Northern Research and Demonstration Farm in Kanawha, Iowa. The fall field day focused on water quality topics, cover crops, corn rootworm, and included a wetland tour.

Crop Production
August 5, 2016 11:57 AM

On Tuesday, Aug.2, eight teams of Iowa youth (grades 9-12) participated in the sixth annual Crop Scouting Competition. The teams were scored on their knowledge of crop insects, diseases, growth and development, and weed identification with a written test and field stations located throughout the...

Insects and Mites, Plant Diseases, Weeds
June 27, 2016 5:32 PM

The USDA Weekly Crop Progress Report on Monday, June 27, showed Iowa's corn crop condition as unchanged from last week's 79% good/excellent rating. Soybean emergence in Iowa is 99%,...

Crop Production
June 24, 2016 3:39 PM

Thursday, June 23, brought great weather and a good crowd to the Northern Iowa Research Farm Field Day near Kanawha, Iowa, and the Southeast Research and Demonstration Farm Spring Field Day near Crawfordsville, Iowa; both hosted by Iowa State University (ISU) Extension and Outreach....

Crop Production
June 20, 2016 5:11 PM

Iowa Crop Progress Summary

The USDA Weekly Crop Progress Report stated Iowa's corn crop has a good/excellent rating of 79%, above the current national average of 75%. The agency reported all of Iowa's soybeans as planted and 97% emerged, ahead of the 5-year-...

Crop Production
June 13, 2016 4:28 PM

The USDA Weekly Crop Progress Report showed that Iowa's corn crop is 99% emerged and has a good/excellent rating of 80% for the week ending June 12. The agency reported 91% of Iowa soybeans have emerged, 10% ahead of the 5-year-average. The good/excellent rating for Iowa soybeans are 81%,...

Crop Production
June 6, 2016 5:24 PM

The USDA Crop Progress Report from Monday, June 6, shows corn planting 100% complete in Iowa, with 97% of corn emerged. The agency report has Iowa's corn crop at a 80% good/excellent rating. Soybean planting is 94% done, ahead of last week's 88% and the five-year-average of 85%. According to the...

Crop Production
May 23, 2016 2:57 PM

A lot of soybean planting progress was made across the state this past week, as farmers tried to get ahead of this week's daily rain forecast. Most corn planting has been completed in Iowa, with 75% already emerged, according to the May 23 USDA Crop Progress Report....

Crop Production
May 9, 2016 4:47 PM

Iowa has 80% corn planted as of May 8, according to Monday's USDA Crop Progress Report, up from 57% the previous week. The report shows that soybeans planted also made a notable jump from 7% complete on May 1 to 29%.

Many farmers were able to get back in the...

Crop Production
May 4, 2016 9:39 AM

As of May 1, the USDA reported 57% of corn had been planted in Iowa. See below for area conditions and planting progress around the state from Iowa State University Extension and Outreach field agronomists. ISU...

Crop Production
May 3, 2016 3:52 PM

The United States has almost half of the corn crop planted for the season at 45% complete, according to the United States Department of Agriculture (USDA) Crop Progress Report on May 2.

The USDA reported 57% of corn planted in Iowa as of May 1, with the 5-year...

Crop Production
April 18, 2016 4:09 PM

Overall, planting was variable in many parts of the state from Wednesday, April 13, to Sunday, April 17. After five days of great weather and good seedbed conditions, some farmers are completely done with corn, some were able to begin and reach the halfway mark, and others are still doing...

Crop Production