Professional Activities: American Society of Agronomy (Fellow, 1973) Crop Science Society of America (Fellow, 1996) Professional Member, American Meteorological Society University of Tennessee 1974_1975 Macebearer American Forage Grassland Council (National Merit Award, 1977) Crop Science Society of America 1982_1985 Board of Directors American Society of Agronomy 1982_1985 Board of Directors Associate Editor, Crop Science (1986_1989) Associate Editor, J. Production Agriculture (1986_1991) Referee, Foundation for Research, Science and Technology, New Zealand Southern Appalachian Science & Engineering Fair International Science & Engineering Fair Chair of Judging (1988) University of Tennessee Faculty Senator Professional International Experiences (1952-2002) in: New Zealand France Republic of Cape Verde Peoples Republic of Guinea Turkey Yugoslavia Brazil Australia Japan Jamaica