Crushing weed seeds in the field with hammermills is expected to be another “tool in the toolbox” to help farmers battle herbicide-resistant nuisance weeds such as waterhemp or palmer amaranth.

Controlling weeds on a farm has always been a challenge, and while there are a wide range of available options to tackle weeds, herbicide resistance has become a real challenge, research officials at Iowa State University said this month.

Enter the Weed Seed Destructor by Redekop. Iowa State University (ISU) is in year three of a research trial with promising results at eliminating weeds through seed destruction at harvesttime by using mills to damage the seeds after they’re collected in an attached combine hopper.

“Integrated weed management is a very important aspect of weed management, and this is just one of the methods of control we’re ...