Dicamba: Off-Target, Once Again – DTN Jul 10, 2020
This summer, Iowa fields are seeing some of the most widespread injury symptoms, as three dicamba herbicides face legal uncertainty.
Iowa: Dicamba 2020 – What Went Wrong? Jul 10, 2020
There is no question that dicamba injury across the Iowa landscape in 2020 is the most extensive it has been since the introduction of dicamba in the 1960s. ISUEO field […]
Several extension field agronomists have reported that injury is more widespread in 2020 than in the previous three years following registration of over-the-top applications of dicamba. In response to these […]
Iowa Soybeans: Identifying Common Herbicide Symptoms Jun 30, 2020
We’ve seen more herbicide injury to soybean than I recall in past summers, resulting in questions about determining the source and reasons for the damage. This ICM Blog will share […]
Planting occurred at a near record pace in much of Iowa due to lack of rain in late April. This string of dry weather also allowed most herbicide applications to be made […]
Iowa Soybeans: Looking For Preemergence Consistency Apr 20, 2020
The battle against waterhemp is complicated mainly because of its extended emergence period (early May until August). Preemergence (PRE) soil residual herbicides serve as a foundation for managing waterhemp, but […]
Preemergence herbicides are the foundation of herbicide-based weed management systems, and effective use of these products is essential to protect crop yields and reduce selection pressure for herbicide resistant weeds.
Iowa: Terminating Cover Crops This Spring Mar 27, 2020
As temperatures warm this spring, cover crop termination is on the to-do list for some Iowa fields. Killing cover crops with herbicides is the most common termination method. The effectiveness […]
Iowa: Managing Winter Annual Weeds This Spring Mar 20, 2020
After another relatively wet fall, late harvest season, and mild winter, early weed management may be important this spring for those who have persistent issues with winter annuals such as […]
Destroying weed seed – either in the combine or in a controlled system in the field – takes herbicide resistance management to the next level. In the Midwest, waterhemp will […]