Blog

Over the past few decades, producers have begun to continually face herbicide resistant weed pressure throughout their cropping systems. Continuous use of the same herbicide program can quickly develop resistant weed biotypes, especially if there are no other weed management tactics being used...

Statewide evaluation of foliar fungicides on soybeans in 2022

To maintain your private pesticide applicator certification, you must either pass an exam every three years or attend an approved Private Continuing Instruction Course (P-CIC) between December 1 and April 15 each year your certification card covers.

In-Person Training

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Iowa State University Extension and Outreach has completed their fall survey of subsoil moisture in northwest Iowa. The survey provides a current and historical perspective on subsoil moisture levels.  Soil moisture is sampled to a depth of five foot in one-foot increments at pre-determined...

The time for fall application of anhydrous ammonia and manure is approaching, but we may not be there yet. This blog has a few things to keep in mind this fall and links to some good references.

While soybean harvest seems to be winding down, we need to be carefully monitoring the soil...

With harvest underway across the state, check out what ISU Extension and Outreach field agronomists are hearing regarding how harvest is going, how are the crops yielding, and what types of end-of-the season issues they are receiving questions on.  

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Safety should be a major concern for all farmers during harvest, but as the season goes on, it can be easy to miss details or neglect safe practices that can put you or others at risk. Here are six simple safety tips to maintain throughout the season to keep yourself and your crew out of harm’s...

It’s hard to believe another growing season has come and is almost gone. 2022 has had its share of challenges: a wet start, drought, corn root worm, soybean gall midge, pigweed, and (my favorite) tar spot. And now, as we approach harvest, we face final challenges like ear and crown rot.

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Again this August, I joined my colleague Patrick Hatting, Farm Management Specialist for central Iowa, and checked several Polk County corn fields to make yield estimates. After R3 (milk stage) is a great time to venture...

As we enter the time for aerial and broadcast overseeding of cover crops, now is a good time to think about how current weather, soil and crop conditions might affect things. First and foremost, there are parts of the state that are very dry and others that have been getting timely rains....

Several labs in the Midwest have been monitoring the distribution of soybean gall midge in Iowa since 2018. Last year, we sampled many counties in western Iowa but only confirmed three new counties. This year, we focused on the counties just east of the distribution in 2021 and were able to...

You are invited to attend the upcoming field days that will be hosted at the outlying Iowa State University Research and Demonstration Farms this fall. These field days will feature the latest information on crop production and crop management practices. Below is a list of the upcoming field...