1. Eastern Cereal and Oilseed Research Centre (ECORC), Agric. and Agri-Food Canada (AAFC); 960 Carling Ave. Ottawa ON Canada K1A 0C6
2. Dep. of Agronomy & Environ. Mgmt.; Louisiana State Univ. Agric. Center; Baton Rouge LA 70803-2110
3. Cereal Research Center (CRC), AAFC; 195 Dafoe Road Winnipeg MB Canada R3T 2M9
4. Dep. of Plant and Soil Sciences and Dep. of Statistics; Univ. of Kentucky; Lexington KY 40506