Ana Wagner1, Diego N. L. Pequeno2, Caroline G. Staub1, Daniel Dantas Barreto1, Clyde W. Fraisse1, Noemi Guindin3, Carol Crawford4 and Timothy Arkebauer5, (1)Agricultural and Biological Engineering, University of Florida, Gainesville, FL, (2)PO Box 60326, CIMMYT, Houston, TX, (3)National Agricultural Statistics Service, USDA - United States Department of Agriculture, Hyattsville, MD, (4)National Agricultural Statistics Service, United States Department of Agriculture, Washington, DC, (5)Department of Agrononomy and Horticulture, University of Nebraska - Lincoln, Lincoln, NE