1. Dep. of Agric. and Appl. Economics; Virginia Polytech. Inst. and State Univ.; Blacksburg VA 24061-0401
2. Dep. of Crop and Soil Environ. Sci.; Virginia Polytech. Inst. and State Univ.; Tidewater Agric. Res. and Ext. Cent Suffolk VA 23437
3. USDA-ARS Natl. Peanut Res. Lab; Dawson GA 31742