Affiliation: | 1. Department of Soil Science, University of Manitoba, Winnipeg, MB, Canada R3T 2N2;2. Email:mkhabela@cc.umanitoba.ca or mkhabela@dal.ca or msmkhabela@excite.com;5. Department of Environment and Geography, University of Manitoba, Winnipeg, MB, Canada R3T 2N2;6. Livestock and Food Section, Statistics Canada, 170 Tunney's Driveway, Ottawa, ON, K1A 0T6 |