Part 1 Understanding the role of cover crops 1.The role of cover crops in optimizing nutrient cycles: Yajun Peng, Claudia Wagner-Riddle and Laura L. Van Eerd, University of Guelph, Canada; 2.The role of cover crops in improving soil biological health: Michelle Wander, University of Illinois, USA; 3.The role of cover crops in improving biodiversity: Deirdre A. Prischmann-Voldseth and Keiran Hyte, North Dakota State University, USA; Rachel Mallinger, University of Florida, USA; and Jarrad Prasifka, USDA-ARS-ETSARC, USA; 4.Cover crops for arthropod pest management: Nicola A. Irvin, University of California-Riverside, USA; Ivan Milosavljevic, University of California-Riverside and Citrus Research Board, USA; and Mark S.

Hoddle, University of California-Riverside, USA; 5.Revisiting the contribution of cover crops to weed management in Conservation Agriculture: John M. Wallace and Laurel Wellman, The Pennsylvania State University, USA; 6.The role of cover crops in forage production: Heather Darby, Claire Benning and John Bruce, University of Vermont, USA; Kurt Cotanch, Barn Swallow Consulting, USA; and Ivy Krezinski, Amber Machia, Lindsey Ruhl, Jeffrey Sanders, Elizabeth M. Seyler, Laura Sullivan and Sara Ziegler, University of Vermont, USA; 7.Assessing the effects of cover crops on cash crop yields: Inderjot Chahal, University of Guelph, Canada; Yvonne Lawley, University of Manitoba, Canada; Alex L. Woodley, North Carolina State University, USA; Maryse Bourgault, University of Saskatchewan, Canada; and Laura L. Van Eerd, University of Guelph, Canada; Part 2 Managing cover crops 8.

Cover crop decision support tools: Victoria J. Ackroyd, University of Maryland, USA; Heather Darby, University of Vermont, USA; Mikah Pinegar and S. Chris Reberg Horton, North Carolina State University; and Steven B. Mirsky, USDA-ARS, USA; 9.Cover crop establishment: Andy Clark, formerly University of Maryland and USDA Sustainable Agriculture Research and Education (SARE), USA; and Sjoerd W. Duiker, The Pennsylvania State University, USA; 10.Key challenges in terminating cover crops: Alyssa Essman and Ramawatar Yadav, The Ohio State University, USA; and Travis Legleiter, University of Kentucky, USA; Part 3 Cover crop species 11.Cool season leguminous cover crops: Artie Siller, Neda Nikpour-Rashidabad and Masoud Hashemi, University of Massachusetts Amherst, USA; 12.

Warm season leguminous cover crops: Gourav Chahal, Auburn University, USA; and Andrew Price, USDA-ARS National Soil Dynamics Laboratory, USA; 13.Cool season grass cover crops: H. Blanco-Canqui, University of Nebraska-Lincoln, USA; S. J. Ruis, USDA-ARS National Laboratory for Agriculture and the Environment, USA; H. Klopp, South Dakota State University, USA; and A. Jhala, J. McMechan, C.

Proctor and V. de Sousa Ferreira, University of Nebraska-Lincoln, USA; 14.Warm season grass cover crops: A. Sophie Westbrook, Kansas State University, USA; Jaya Nepal, The Pennsylvania State University, USA; and Matthew R. Ryan, Cornell University, USA; 15.Non-leguminous broadleaf cover crops: Christina Curell and Madelyn Celovsky, Michigan State University, USA; Part 4 The future of cover crops 16.Strategies to increase cover crop adoption: Ken Staver, University of Maryland, USA; 17.The future of cover crops: opportunities, challenges and R&D needs: Sjoerd W.

Duiker, The Pennsylvania State University, USA; and Andy Clark, formerly University of Maryland and USDA Sustainable Agriculture Research and Education (SARE), USA;.