Iowa Learning Farms Webinar: Cover Crops and Nitrate-N Loss from Plot to Watershed Scale

Wednesday, April 19, 2023 - 12:00pm

April 19 presentation by Iowa State University’s Matthew Helmers will share 10 years of water quality and cover crop data across small to large deployments

The Iowa Learning Farms (ILF) conservation webinar April 19 at noon CDT will feature a discussion on the “Impacts of Cover Crops on Nitrate-N Loss: Plot to Watershed Scale,” by Matthew Helmers, director of the Iowa Nutrient Research Center, Dean’s Professor, College of Agriculture and Life Sciences, and Brent and Cindy Hart Professor, Agricultural and Biosystems Engineering, at Iowa State University.

Helmers will overview the current status of cover crop adoption in Iowa, note progress made over the past 10 years and provide updates on water quality investigations on nitrate-N reduction potential of practices studied. He will highlight work on drainage water research and its impacts on water quality from the plot to the watershed scale. Helmers conducts research and extension outreach programs concerning nutrient management, cropping practices, drainage design and management, and strategic placement of buffer systems on nutrient export from agricultural landscapes.

“The data and outcomes of our research at every scale have proven the efficacy of cover crops as an effective practice that directly contributes to reduction of nitrate-N loss from agricultural fields into waterways,” said Helmers. “Acknowledging that in some cases, it may take a longer time to see results than we would prefer, cover crops are one of the more important tools that can protect water quality. To meet nutrient reduction goals, it is crucial to achieve growth in adoption throughout Iowa.”

Participants are encouraged to ask questions of the presenters. People from all backgrounds and areas of interest are encouraged to join.


Shortly before 12 p.m. CDT, click the link below or type this web address into your internet browser:

Or, go to and enter meeting ID: 364 284 172

The webinar will also be recorded and archived. All archived webinars are available on the ILF website, so that they can be watched at any time.

ILF has applied for a Certified Crop Adviser board-approved continuing education unit (CEU) for attending this webinar. Those who participate in the live webinar are eligible. Information about how to apply to receive the credit will be provided at the end of the live webinar.