Dale Mutch, Michigan State University Extension
2008
Sharon Clancy, Steve Zwinger, Virgil Dagmen, and Clark Lemley – North Dakota State University
2005
Double Cropping: Spring Wheat Followed by a Legume
Source link here.
Charles W. Marr, Rhonda Janke, Paul Conway – Kansas State University
November 1998
Cover Crops for Vegetable Growers
Source link here.
Purdue University Center for New Crops and Plant Products – Contributors: F.J. Muehlbauer and Abebe Tullu
1997
Lathyrus sativus (Chickling Vetch)
Source link here.