• Iowa State University Research Farms Utilize Conservation Practices for Science, Stewardship
  • Mike Castellano professor of agronomy in corn field
  • Michelle Soupir with Gov. Branstad by bioreactor
  • Corn and water testing basins at Gilmore City site, read more button

Welcome to Research Advances in Protecting Water Quality

Telling the stories of water quality progress and improvement in Iowa through scientific results and the efforts of the Iowa State University College of Agriculture, ISU Agriculture Experiment Station, and ISU Extension and Outreach. 

Recent Stories

Q&A with Dan Jaynes, USDA-ARS scientist and ISU collaborating faculty in agronomy, establishing and monitoring saturated buffers
June 30, 2017
Project: Establishment and Monitoring of Saturated Buffers within High–Priority HUC–12 Watersheds Saturated buffers are a new edge-of-field practice included in the Iowa Nutrient Reduction Strategy. They were developed in Iowa to remove nitrate from water draining out of field...

Iowa State scientists add to knowledge of phosphorus dynamics in cover crop, runoff study
June 20, 2017
A multidisciplinary team of scientists led by Antonio Mallarino, a professor of agronomy at Iowa State University, has completed two years of a long-term field study to better understand the impacts of cover crops on nutrient loss with surface runoff. Cover crops are a recognized...

ISU Saturated Buffers Highlighted During Soil and Water Conservation Week
May 10, 2017
A farm near Madrid in Boone County, owned by the Committee for Agricultural Development, is one place to learn best management practices for water quality improvement. Tom Isenhart, natural resource ecology and management, and Dan Jaynes, soil scientist with the USDA, serve as leads on a saturated...

Iowa State University Research Farms Utilize Conservation Practices for Science, Stewardship
January 25, 2017
Iowa State University’s 13 Research and Demonstration Farms around the state have served for decades as models of agricultural and scientific progress for Iowa’s farmers and landowners. The same holds true for the goals of Iowa’s Nutrient Reduction Strategy. For years the...

Report Highlights Progress and Long-Term Challenges of Iowa Stream Nutrient Monitoring
December 21, 2016
A 2016 report of Iowa’s water monitoring efforts for nutrients highlights both the complexity and long-term value of evaluating nutrient levels in Iowa’s lakes, streams and rivers. Developed jointly by the Iowa Department of Agriculture and Land Stewardship and Iowa Department of Natural Resources...

Iowa State University Researcher Seeks Greater Understanding of Nutrient Cycling to Increase Productivity in Agricultural Systems
November 3, 2016
AMES, Iowa — As an undergraduate, Michael Castellano spent one summer on a New Mexico ranch doing environmental science research. He was inspired by the landowner’s implementation of a grass banking system. “What I saw there as a student got me excited about the power of agriculture as a...

Iowa State University Professors Named to Environmental Protection Agency Scientific Advisory Committee
October 20, 2016
Two Iowa State University professors have been appointed to serve on the Agricultural Science Committee of the Environmental Protection Agency’s Science Advisory Board. Catherine Kling, Charles F. Curtiss Distinguished Professor of economics, and Matthew Helmers, professor of agricultural and...

Iowa State receives award from EPA to research water quality benefits
September 23, 2016
A better economical understanding of the value of water is in progress at Iowa State University after an $800,000 award was given to researchers at The Center for Agricultural and Rural Development by the U.S. Environmental Protection Agency (EPA.) “The reason that the EPA is interested in this...

Iowa State University scientists create educational computer simulation to explore watershed health
September 9, 2016
Iowa State University personnel have designed an online simulation that allows students and adults to experiment with how land-use practices can affect the health of a watershed. People in Ecosystems Water Integration, or PEWI (pronounced pee-wee), is a web-based educational game designed to...

Wanted: Farmers to test online Iowa State University conservation cost tool
August 24, 2016
Iowa State University researchers are seeking feedback from Iowa farmers willing to test an early online version of a tool to better understand the costs of implementing nutrient management and soil conservation practices. The researchers are near completion of a beta version of the online tool...