Greg McCollum
Greg McCollum is a plant physiologist at the USDA-ARS laboratory in Ft. Pierce, FL.
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Liquid Clay Product Shows up Big in Romaine Lettuce Field Trials
Posted by Growing Produce Staff|July 31, 2026
Greg McCollum is a plant physiologist at the USDA-ARS laboratory in Ft. Pierce, FL.
In spite of citrus greening and canker being the focus of most current citrus research in Florida, work […]