1. Department of Soil ScienceUniversity of Manitoba Ellis Building, 13 Freedman Crescent Winnipeg Manitoba R3T 2N2 Canada
2. Department of Soil and Water SciencesArish University Al‐Arish North Sinai Egypt
3. Watershed Systems Research Program Rm 272 Ellis BuildingUniversity of Manitoba Winnipeg Manitoba R3T 2N2 Canada
4. Fredericton Research and Development CentreAgriculture and Agri‐Food Canada 850 Lincoln Road Fredericton New Brunswick E3B 4Z7 Canada
5. Genetics and Sustainable Agriculture Research Unit, Crop Science Research LaboratoryUSDA–Agricultural Research Service P. O. BOX 5367, 810 Highway 12 East Mississippi State MS 39762 USA
6. Swift Current Research and Development CentreAgriculture and Agri‐Food Canada 1 Airport Rd. Swift Current Saskatchewan S9H 3X2 Canada