Topographical and Hydrological Determinants of Crop Yield in Farm Fields Across Alberta, Canada.
Chen Ding, University of Alberta, Edmonton, AB, CANADA, Sheri Strydhorst, Agriculture, Food and Nutritional Science, University of Alberta, County of Barrhead, AB, Canada and Rong-Cai Yang, 1400 College Plaza, 8215-112 St., University of Alberta, Edmonton, AB, CANADA