Would the type of beer also need to be accounted for in figuring what the STP would be and then maybe the amount of dry ice?
I'd be concerned that if you brewed with an ale yeast it would have a different reaction than when you did the control experiment with water (specially with the...
I've done some poking around and I know that the big commercial operations do vertical growing almost exclusively... But would horizontal growing negatively affect the crop or is it just a matter of yield?