Manhattan, Kansas NRCS Plant Materials Center
2013
PMC Spring Planting – Yellow Sweetclover
Source link here.
Integrated Pest Management – University of Missouri
August 2011
Cover Crops and Green Manure Crops
Source link here.
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
Charles W. Marr, Rhonda Janke, Paul Conway – Kansas State University
November 1998
Cover Crops for Vegetable Growers
Source link here.