Cover crops field day to be held near Gilmore City on September 8th

August 20, 2021

Iowa Learning Farms, Iowa Nutrient Research Center, and Iowa Corn will host a nutrient management, cover crop and wetland field day near Gilmore City on Wednesday, September 8, 2021. The event, from 10:30 am to 1:00 pm, will be held at the ISU Drainage Research and Demonstration Project, owned by the Pocahontas Soil and Water Conservation District. The event is free, open to the whole family and includes a complimentary meal. This event will be conducted in conjunction with the WHO Big Show Water Quality Wednesday.

Cover crops continue to grow in popularity in Iowa due to their many benefits including increased soil organic matter, weed suppression potential and reduced soil erosion. Together with edge-of-field practices like bioreactors, wetlands and saturated buffers, they are key to reducing nitrate loss from agricultural land in Iowa.

The field day will feature Emily Waring, graduate student in agricultural and biosystems engineering at Iowa State University (ISU), talking about growth of cover crop mixtures. Dr. Matt Helmers, ISU professor Agricultural and Biosystems Engineering, will share information on the water quality results from over 30 years at the drainage water quality research facility. Carl Pederson, agricultural specialist with Iowa State University, will discuss cover crop management and cash crop impacts. The field day will conclude at a nearby nitrate removal wetland with Dr. William Crumpton, ISU professor of Environmental Science and wetland ecology expert.

The field day will be held at the ISU Drainage Research and Demonstration site. From Gilmore City, go two miles west on Highway 3, then one mile north on 320th Avenue and then one-half mile west on 510th Street.

The workshop is free and open to the public, but RSVP is desired for planning of food. Contact Emily Waring at 402-350-0428 or email

Iowa Learning Farms field days and workshops are supported by the USDA Natural Resources Conservation Service. For more information about Iowa Learning Farms, visit


Established in 2004, Iowa Learning Farms is building a Culture of Conservation by encouraging adoption of conservation practices. Farmers, researchers and ILF team members are working together to identify and implement the best management practices that improve water quality and soil health while remaining profitable. Partners of Iowa Learning Farms include the Iowa Department of Agriculture and Land Stewardship, Iowa State University Extension and Outreach, Leopold Center for Sustainable Agriculture, Iowa Natural Resources Conservation Service, Iowa Department of Natural Resources (USEPA section 319) and GROWMARK, Inc.


Liz Ripley

Conservation Outreach Specialist



Emily Waring

Graduate Student

ISU Agricultural and Biosystems Engineering