1. Agric. and Agri‐Food Canada Lacombe Research Centre 6000 C & E Trail Lacombe AB Canada T4L 1W1
2. Agric. and Agri‐Food CanadaMorden Research Station Unit 100‐101, Route 100 Morden MB Canada R6M 1Y5
3. Agric. and Agri‐Food CanadaSemiarid Prairie Agric. Research Centre P.O. Box 1030 Swift Current SK Canada S9H 3X2
4. Agric. and Agri‐Food CanadaMelfort Research Farm P.O. Box 1240 Melfort SK Canada S0E T4L
5. Agric. and Agri‐Food Canada Semiarid Prairie Agric. Research CentreIndian Head Research Farm P.O. Box 760 Indian Head SK Canada S0G 2K0
6. Agric. and Agri‐Food CanadaBrandon Research Centre P.O. Box 1000A, R.R.#3 Brandon MB Canada R7A 5Y3
7. Crop Development CentreUniv. of Saskatchewan 51 Campus Dr. Saskatoon SK Canada S7N 5A8
8. Alberta Agric., Food and Rural Development 6000 C & E Trail Lacombe AB Canada T4L 1W1