1. USDA-ARS; Sugarcane Field Station; 12990 U.S. Hwy. 441 Canal Point FL 33438
2. Everglades Research and Education Center; Univ. of Florida; 3200 East Palm Beach Road Belle Glade FL 33430
3. USDA-ARS; North Central Soil Conservation Research Laboratory; 803 Iowa Ave. Morris MN 56267