Any forums for Crop growers and horticultural science?

I love gardening, but I also love the industry half of it. Crops, horticultural science, and the study of it. I'm wanting to know if there's a forum out there dedicated to the industry and horticultural science. Like were all produce suppliers would go.

 

I found one called agricultureguide.org

Not sure if this is what you are looking for, but I found it looking for greenhouse and high tunnel growing information.

 

I dunno if this will be where you end up in your horticultural science search, But I bet it might be a good start-up point.

http://vegetablemdonline.ppath.cornell.edu/Home.htm