1. United States Department of Agriculture, Agriculture Research Service, Sugarcane Research Unit, 5883 USDA Road, Houma, LA 70360, USA
2. Department of Agricultural Economics and Agribusiness, Louisiana State University and AgCenter, Martin D. Woodin Hall, Baton Rouge, LA 70802, USA
3. Department of Environmental Conservation, University of Massachusetts-Amherst, 160 Holdsworth Way, Amherst, MA 01003, USA
4. Department of Agricultural, Environmental, and Development Economics, The Ohio State University, 2120 Fyffe Road, Columbus, OH 43210, USA