Iowa State Senator David Johnson has led the fight to reduce agricultural pollution of the state's waters. Casey Beck Runoff…
Matt Helmers from Iowa State University discusses STRIPS near a flume. Photo by Jane Hodgins, US Forest Service. Newtown Square,…
Every summer the U.S. Central Plains go dry, leading farmers to tap into groundwater to irrigate sorghum, soy, cotton, wheat…
Iowa is the largest corn producer in the U.S.—and the second largest producer of nitrate pollution in the Mississippi River…
Photo: Jack Boyer of Reinbeck refills his air seeder Nov. 10 before spreading for cover crops on his farm in…