Well, I don't know how they might do it, but another similar plant thrives nearby and just may provide some meaningful experience to the current researchers. While camping in the area, I've seen and heard the huge National Guard choppers shooting through the valleys looking for illicit vegetation. Hops makes perfect sense and the damned stuff is legal and valuable.
I don't tend to click on links blindly without some sort of intro from the OP. Laziness. Is there a question? Are you proud of this? Your idea? What does this mean?
The link goes to a major newspaper website in Raleigh. NC and links to an article. I think it was more informational than any type of question - it is an article about research being done in NC to improve the hop growing industry.