It wasn't my find. It was actually the link of Mark in Texas provided. I just had to read everything what was written there.
Most plants require all of the 13 essential elements - macros, secondaries and micros. Where those elements come from isn't the issue as long as they're in the proper form the plant can uptake and process. Salts aka chemicals. Anything beyond that belongs in the group of Beneficial elements. Silicon comes to mind.
Check out the incredible SUPER high tech, huge greenhouse ops the Dutch are doing. They are kicking butt regarding production using hydroponics, salts, special LED lighting, robots.