1. Agriculture and Agri-Food Canada, Harrow Research and Development Centre, Harrow, Ontario, Canada, ;
2. Agriculture and Agri-Food Canada (retired), London Research and Development Centre, London, Ontario, Canada;
3. Leibniz-Zentrum fur Agrarlandschaftsforschung, 28385, Muncheberg, Brandenburg, Germany;
4. Agriculture & Agri-Food Canada, Harrow Research and Development Centre, Harrow, Ontario, Canada, ;
5. Agriculture & Agri-Food Canada, Harrow Research and Development Centre , Harrow, Ontario, Canada, ;