Iowa is the largest corn producer in the U.S.—and the second largest producer of nitrate pollution in the Mississippi River…
Photo: iStock/Charlie Bishop Scientists have known for decades that drinking water contaminated by fertilizer nitrates can pose a threat to…
Saturated buffer along unnamed tributary to the Skunk River, Iowa. Photo by Kent Heikens USDA, Agricultural Research Service. Fertilizer used…
photo: A no-till field. INDIANAPOLIS - A new IUPUI study funded by the U.S. Department of Agriculture answers a long-debated…
The American Society of Civil Engineers gave the U.S. a “D” grade for the quality of its drinking water systems…