David Clay, Kurtis Reitsma, and Sharon Clay (editors)- South Dakota State University
2009
BMP for Corn Production in South Dakota: Chapter 5- Tillage, Crop Rotations, and Cover Crops
John Hendrickson – Center for Integrated Agricultural Systems, University of Wisconsin
September 2003
Cover Crops on the Intensive Market Farm
Source link here.
Charles W. Marr, Rhonda Janke, Paul Conway – Kansas State University
November 1998
Cover Crops for Vegetable Growers
Source link here.