The past, present, and future of the cover crop industry
Steve Groff, farmer and the founder of Cover Crop Solutions, Pennsylvania, USA provides an excellent overview of cover cropping in the USA.
"by the mid-1960's, cover crops were quickly becoming a distant memory"
Some interesting views of getting started, planting green, short season genetics, manures and cover crops, and interseeding.
10.2489/jswc.70.6.130A Journal of Soil and Water Conservation November/December 2015 vol. 70