In this video, Dr. Ted Bilderback explains how to check your irrigation efficiency with a Leaching Fraction test.
Dr. Ted Bilderback has been a member of North Carolina State's Department of Horticultural Science since 1977. His research and extension programs have focused on environmentally conscious cultural practices for growing nursery stock. Extension, teaching, and research responsibilities for nursery crops include emphasis on cultural production techniques. Research emphasis includes plant water relations and nutrition of container nursery stock as related to manipulation of container substrates and irrigation practices.