Dan Hudson, Dale Mutch, Todd Martin, Wes Everman, Jack Knorek, and Mike Staton- Michigan State University
Using red clover as a cover crop in wheat
Michael Plumer – University of Illinois Extension
Controlling Annual Ryegrass in Southern Illinois
Charles W. Marr, Rhonda Janke, Paul Conway – Kansas State University
Cover Crops for Vegetable Growers
Source link here.