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On a cold day last fall, Iowa State University scientist Michelle Soupir and her team of graduate students shoveled out the woodchip-and-mud entrails of nine concrete-lined water-quality cells at the Agricultural Engineering and Agronomy Research Farm near Ames. They packed samples from the cells — mini-bioreactors — into plastic bags and labeled them to take back to the lab, where they would measure bacterial activity and the rate of woodchip decomposition. Read more about Iowa State Research Aims to Improve Next Generation of Bioreactors

New research supported by the Iowa Nutrient Research Center suggests that water quality challenges would be even greater if it weren’t for a little appreciated feature of the landscape: road ditches. Read more about Study Shows Humble Road Ditches Can Play Powerful Nutrient Reduction Role