This document is HS711, one of a series of the Horticultural Sciences Department, UF/IFAS Extension.
assistant professor, UF/IFAS Horticultural Sciences Department, Gainesville, FL
associate professor, Horticultural Sciences Department, and Northeast district Extension director; UF/IFAS Extension, Gainesville, FL 32611.
professor, UF/IFAS Department of Soil and Water Sciences, Gainesville, FL 32611.