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Illustration showing drainage water recycling system with overhead pivot irrigation and reservoir
April 05, 2021

Research underway by the Iowa Nutrient Research Center (INRC) and the Iowa Soybean Association is analyzing drainage water recycling’s costs and benefits, with funding from the Iowa Department of Agriculture and Land Stewardship, the INRC and the USDA National Institute for Food and Agriculture.

March 15, 2021

AMES, Iowa - The Iowa Nutrient Research Center is accepting new proposals for research that seek to improve water quality by reducing nitrate and phosphorus in Iowa’s waterways.

automated sampling system in field
February 11, 2021

AMES, Iowa — With the help of an innovative new monitoring system, Iowa State researchers looking at nitrogen and phosphorus losses to water and the atmosphere are able to pinpoint nutrient fluxes better than many previous studies. In the process, they are refining knowledge of where – and when -- to expect nutrient-loss hot spots. 

Aerial view of farm landscape with stream and buffers
January 13, 2021

AMES, Iowa - A spring series of virtual seminars bringing findings from watershed research across the country, begins Wednesday, January 27, hosted by the Iowa Nutrient Research Center at Iowa State University. The online events will take place each month on the fourth Wednesday, from 3:00-4:00 p.m., through May 26. Sessions are free and open to the public.

View of front of USDA National Lab for Agriculture and the Environment
September 16, 2020

A collaborative partnership between researchers with USDA’s Agricultural Research Service (ARS) and Iowa State University has produced a string of notable water quality studies that have influenced conservation research and practice nationwide.

farmed wetland under cloudy sky
September 01, 2020

The Iowa Nutrient Research Center at Iowa State University announces funding for 11 new water quality and nutrient management projects for 2020-2021.

“This round of projects represents over $1.3 million for water quality research,” said Matt Helmers, Iowa Nutrient Research Center director and professor of agricultural and biosystems engineering at Iowa State. “We are pleased that the projects reflect a number of the research priorities developed last year with a broad range of stakeholders, including farmers. These include supporting research on new nutrient-reduction technologies or cropping systems, developing better understanding of in-stream processes and examining potential unintended consequences of conservation practices.”

August 25, 2020

The Iowa Water Center and Iowa Nutrient Research Center at Iowa State University will jointly fund research to explore the linkages between water quality and social well-being for Iowa communities.

INRS Annual Report 2018-19 cover
July 01, 2020

The 2018-2019 Iowa Nutrient Reduction Strategy (INRS) annual report was released today by Iowa State University, Iowa Department of Agriculture and Land Stewardship, and the Iowa Department of Natural Resources. The findings reveal increased farmer, landowner and community engagement, use of conservation practices and funding invested in soil health and water quality projects.

Man with microphone in front of wetland, speaking to field day group
May 27, 2020

Fifteen years of wetlands research by Iowa State University – a study thought to be the largest and longest running project of its kind in the country – clarifies their performance as highly beneficial systems for reducing nitrogen pollution.

May 04, 2020

“Farmers and landowners are important partners who help make it possible to test research in different farming and geographic situations,” said Matt Helmers, director of the Iowa Nutrient Research Center at Iowa State University. “Rob Stout and Eric Hoien are two excellent examples of cooperators whose support has benefited INRC-related water quality research."

March 30, 2020

AMES, Iowa – The Iowa Nutrient Research Center at Iowa State University seeks new proposals for research that can help landowners, farmers, agribusiness and others improve water quality by reducing nitrate and phosphorus in the state’s waterways. 

March 23, 2020

The INRC Spring Seminar Series, "Water Research Past, Present and Future" will not take place as scheduled in March and April, due to campus efforts to reduce the potential for COVID-19 exposure. INRC plans to reschedule the presentations when conditions allow (details to be announced later). 

water quality research map image with colored pins and tiles of projects
February 18, 2020

A new, online Iowa water quality research map has been launched by the Iowa Nutrient Research Center at Iowa State University. The “zoomable” map, at http://www.cals.iastate.edu/inrc/map/ shows locations of water quality research projects around the state, including projects funded by the INRC through Iowa State, the University of Iowa and the University of Northern Iowa.

January 13, 2020

A survey of Iowa landowners conducted by Iowa State University suggests that adoption of conservation practices has increased slightly since 2012, and that ongoing trends in land ownership and management are likely barriers to a number of conservation practices.

January 08, 2020

The Iowa Nutrient Research Center (INRC) at Iowa State University launches a set of seminars on “Water Research Past, Present and Future,” beginning Wednesday, Jan. 22.

semi-circle oxbow wetlad in green landscape
November 14, 2019

New research shows that “multi-purpose oxbows” can effectively reduce nitrate-nitrogen, earning them a spot in the Iowa Nutrient Research Strategy’s menu of conservation options.

cattle grazing
September 12, 2019

“I am pleased to announce the latest round of projects represent more than $2.03 million in funding for water quality research,” said Matt Helmers, Iowa Nutrient Research Center director and professor of agricultural and biosystems engineering at Iowa State.

cows grazing on cover crops growing in corn stubble
August 01, 2019

Cover crops are known to protect soil and water quality, but they also can offer valuable livestock feed, according to Iowa State University research. 

Kay C. Stefanik
June 06, 2019

AMES, Iowa – Kay C. Stefanik, a water quality researcher at Ohio State University, has been hired as the new assistant director of the Iowa Nutrient Research Center at Iowa State University. She will begin work in Iowa on July 8. 

May 01, 2019

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.

April 02, 2019

More landowners are interested in planting strips of deep-rooted prairie within crop fields or on marginal land as an effective soil conservation and water quality practice. But they need reliable answers about the costs and benefits.

March 27, 2019

The Iowa Nutrient Research Center at Iowa State University is seeking new proposals for water-quality research that can help landowners reduce nitrate and phosphorus in the state’s waterways, one of Iowa’s most pressing concerns. The center will begin accepting proposals this week for its ne

January 24, 2019

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.

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