Roger Kjelgren, Emeritus University of Florida 1988 Ph.D. University of Washington, Forestry 1982 M.S. Oregon State University, Soil Science Research Interests Water use/stress of woody plants, urban horticulture 1978 B.S Washington State University Work Experience. 2016-21 Director, Mid Florida Research and Extension Center, University of Florida 2006-16 Professor, Horticulture, Dept. Plants, Soils, and Climate, Utah State University. (60% re-search, 35% teaching, focus on urban capacity to conserve, low water landscaping and den-drochronology) 1998-06 Associate Professor Horticulture, Dept. Plants, Soils, and Biometeorology, Utah State Uni-versity. (75% research, 20% teaching, focus on precision irrigation and low water landscap-ing) 1992-98 Assistant Professor Horticulture, Dept. Plants, Soils, and Biometeorology, Utah State Uni-versity. (75% research, 20% teaching, focus on landscape plant water use) 1988-91 Assistant Professor of Landscape Horticulture, Dept. of Plant and Soil Science, Southern Il-linois University, Carbondale IL. (50% research, 50% teaching on nursery production and mine-land reclamation with trees)