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- This study was supported by Colorado Agricultural Experiment Station (Project 747) and Bedding Plants Foundation Inc.
- Associate Professor; Current address: Department of Horticulture and Forestry, North Dakota State University, Fargo, ND 58105
- Visiting Professor: Dept. of Horticultural Breeding, Mokpo National University, Chonnam 534–729, South Korea
- Graduate Student
- Research Associate, Soils Laboratory. Address reprint requests to C.W. Lee.