Controlled Environment Agriculture Center

Research, Instruction & Extension for Producing Crops
With Sustainability, Efficiency & Eco-Friendliness
Wednesday, October 12, 2016 - 4:00pm to 6:30pm

Special Seminar - "Organic Hydroponics"

Save the date and join us at the CEAC Lecture Room on October 12th at 4pm (MST) for this discussion in which we will focus on hydroponics in organics and the future of its existence.

For background information and framing of the topic, please listen to the interview with Dr. Stacy Tollefson here:

This special panel discussion is being held in response to the recently distributed “National Organic Standards Board (NOSB) Hydroponic and Aquaponic Task Force Report”.  This report provides technical information about organic-based hydroponic and aquaponic systems and represents both sides of the debate on whether or not non-soil systems should continue to be eligible for organic certification. It also provides clarification of the previous 2010 NOSB recommendations. This report can be viewed at:

Everyone can submit their comments to the USDA about Organic Hydroponics by October 26th. Go to:

On this panel will be Dr. Stacy Tollefson of the CEAC and Jose Edgardo Torres of Wholesum Family Farms, both members of the USDA Hydroponic Taskforce, as well as Executive Director of the Coalition for Sustainable Organics, Dr. Lee Frankel. In addition, Dr. Dennis T. Ray, Professor of The University of Arizona School of Plant Sciences, will be in attendance to host and facilitate the event.

After the panel completes their presentations we will open the floor to discussion.

If you are unable to attend in person, the seminar series will be available via the web. You will be able to participate in the discussion by submitting your questions and comments.  To register, you will need to access the registration link, here:


CEAC Lecture Room 1951 East Roger Road Tucson, Arizona 85719