Person: Kelly Tobin

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Farmers reported that
in 59 of 63 site-years,
properly managed
cover crops had little to
no negative effect on
corn and soybean yield
(and actually increased
soybean yield in 8 siteyears
and corn yield in 2
site-years).

November 30, 2017 

RESEARCH REPORT

Farmers reported that
in 55 of 59 site-years,
properly managed
cover crops had little to
no negative effect on
corn and soybean yield
(and actually increased
soybean yield in 7 siteyears
and corn yield in 2
site-years).

January 13, 2017 

RESEARCH REPORT

While there were
differences among
locations, there were
generally no differences
in soil health variables
between the no-cover and
cover crop treatments at
individual locations.

June 22, 2016 

RESEARCH REPORT

An update to our “flagship” cover crop research trial is now available: “Winter Cereal Rye Cover Crop Effect on Cash Crop Yield: Year 7.” This is a long-term project being conducted by Iowa Learning Farms and Practical Farmers of Iowa. Between 2009 and 2015, 12 cooperators have contributed to 53 site-years of on-farm research as part of this project. […]

June 7, 2016 

BLOG POST

Last June, soil samples were collected from seven PFI farms across the state to assess the effect of cover crops on soil health using the Haney Test. These farms have been involved in a long-term cover crop research trial that has been a joint effort between Iowa Learning Farms and Practical Farmers of Iowa since the […]

March 21, 2016 

BLOG POST

Farmers reported that in
42 of 46 trials, properly
managed cover crops had
little or no negative effect
on corn and soybean yield
(and actually increased
soybean yield in 4 trials).

May 13, 2015 

RESEARCH REPORT

Practical Farmers of Iowa farm tour will showcase how farmers are using cover crops to combat compaction Aug. 21, in Taylor County For Release: August 14, 2012 Download PDF (284 kB) View Fullscreen

August 14, 2012 

NEWS RELEASE

Winter Rye Cover Crop Effect on Cash Crop Yields – Year 3 Project timeline: 2008 – 2013 Published: March 7, 2012 Download PDF (835 kB) View Fullscreen

March 7, 2012 

RESEARCH REPORT

Iowa Learning Farms and Practical Farmers of Iowa Co-Host August 30 Field DayFor Release: August 17, 2011 Download PDF (327 kB) View Fullscreen

August 17, 2011 

NEWS RELEASE