Gustavo Bardella, Soil Science, University of Manitoba, Winnipeg, MB, Canada, Don Flaten, Department of Soil Science, University of Manitoba, Winnipeg, MB, Canada, John Heard, Manitoba Agriculture, Carman, MB, Canada, Cynthia A Grant, Brandon Research Centre, Agriculture & Agri-Food Canada, Brandon, MB, Canada, Yvonne Lawley, 66 Dafoe Rd, University of Manitoba, Winnipeg, MB, CANADA, Dennis Lange, Manitoba. Agriculture, Food and Rural Development, Altona, MB, Canada and Ramona Mohr, Agriculture and Agri-Food Canada, Brandon, MB, Canada