Joel Gruver – Western Illinois University
2010
Tim Harrigan- Michigan State University
September 29, 2010
YouTube Video- Slurry seeding cover crops- Blight Farms (Albion, MI)
Nutrient and Pest Management Program – University of Wisconsin
2009
The Presidedress Soil Nitrate Test
Source link here.
James Hoorman and Alan Sundermeier- Ohio State University Extension; Rafiq Islam- Ohio State University
May 21, 2009
Sustainable crop rotations with cover crops
Source link here.
Natalie Rector, Tim Harrigan, Dale Mutch, and Siglinde Snapp- Michigan State University Extension
February 2009