1. Agroécologie, AgroSup Dijon, INRA; University Bourgogne Franche-Comté; Dijon France
2. School of Integrative Plant Science; Cornell University, Soil and Crop Sciences Section; Ithaca NY USA
3. Department of Natural Resources and the Environment; University of New Hampshire; Durham NH USA
4. School of Food and Agriculture; University of Maine; Orono ME USA
5. USDA-NRCS Soil Health Division; Big Flats Plant Materials Center; Corning NY USA