AMES, Iowa (WOI) – New research from Iowa State University shows only 23% of Iowa farmers are using cover crops, despite it being a proven strategy to reduce nitrate levels in waterways.
The study looked at the use of cover crops in 2014, 2016 and 2018.
J. Arbuckle is a rural sociology professor at ISU and was one of the researchers in the study. He found that about 29% of farmers used cover crops in some years, but not in others…