Seventeenth Annual Conference
June 28, 1996
San Jose, CA
Eighth Annual Conference
April 4, 1987
Theme: Hydroponics – Effective Growing Techniques
Sixth Annual Conference
April 20, 1985
Concord, CA
Theme: Hydroponic Systems & Applications
First Annual Conference
October 20, 1979
Oakland, CA
Hydroponics: The Soilless Alternative