Green Manuring with Mustard: Improving an Old Technology May 19, 2003 Green manure summary article in Agrichemical & Environmental News, June 2003.
Using Green Manures in Potato Cropping Systems May 19, 2003 WSU Extension Bulletin FS218E. Revised 2016.
Alternatives to Fumigation for Control of Apple Replant Disease in Washington State Orchards October 11, 2000 Granatstein, D. & M. Mazzola.