Natural Resource Ecology Laboratory

Research and Professional Experience

  • 2004-present   Professor Soil and Crop Sciences. Colorado State University
  • 2000-present   Senior Research Scientist/ Scholar, Natural Resource Ecology Lab, Colorado State University
  • 1994-2000       Professor, Crop and Soil Sciences, Michigan State University
  • 1985-1994       Professor and Chair, Crop and Soil Sciences, Michigan State University
  • 1980-1985       Professor and Chair, Plant & Soil Biology, Univ. of California, Berkeley
  • 1970-1980       Professor, Soil Science, University of Saskatchewan
  • 1972-1973       Visiting Professor, Institute of Ecology, University of Georgia
  • 1964-1976       Associate Professor, University of Saskatchewan
  • 1959-1964       Assistant Professor, University of Saskatchewan