Background
Halvorson, Ardell David was born on May 31, 1945 in Rugby, North Dakota, United States. Son of Albert F. and Karen Halvorson.
Halvorson, Ardell David was born on May 31, 1945 in Rugby, North Dakota, United States. Son of Albert F. and Karen Halvorson.
Bachelor of Science, North Dakota State University, 1967; Master of Science, Colorado State University, 1969; Doctor of Philosophy, Colorado State University, 1971.
Soil scientist Agriculture Research Svc.,, USDA, Sidney, Montana, 1971-1983; soil scientist Agriculture Research Svc.,, USDA, Akron, Colorado, 1983-1988; research leader, USDA, Akron, Colorado, 1988-1994; laboratory director, USDA-Agriculture Research Svc., Mandan, North Dakota, 1994-1997; soil scientist, USDA-Agriculture Research Svc., Fort Collins, Colorado, since 1997.
Fellow American Society Agronomy (associate editor 1983-1987), Soil Science Society American (chairman division S-8 1989), Soil and Water Conservation Society (chapter president 1991). Member Crop Science Society American.
Married Linda Halvorson. Children: Renae, Rhonda.