Waterhemp control is an increasing challenge for soybean producers due to the evolution of multiple herbicide-resistant populations. New trials from Iowa State University saw an 87% decrease in waterhemp emergence when combining a cereal rye cover crop with narrow row soybeans.

Now is the time to scout for Palmer amaranth and waterhemp and remove or destroy it to prevent seed production and spread.

With rains delaying some farmers from making a pre-emergence application in their soybeans, University of Minnesota Extension provides some options for controlling weeds, especially waterhemp.

University of Illinois Extension warns that current expectations of what this technology can accomplish tend to be a bit more optimistic than what the technology will actually be able to deliver.

With waterhemp being found at several locations in the northern Red River Valley, North Dakota State University Extension offers some tips for growers on documenting and disposing of the weed.