date:Jun 14, 2016
ging as we are proving the negative. All concerns and hazards must be addressed.
Parting Shot
Finally, we can consider a vertical urban farm where a leafy green is grown in a controlled environment. The process in this case is to exclude pathogenic microorganisms throughout the growing cycle and avoid contamination at harvest. Again, Pasteur was right, so the process should work. However, validation is challenging because it will all be about proving negatives. There is no amount of testing th