Sure it harvests energy from the sun. The question is whether it harvests enough energy to cover the inputs and the inherent losses in the system. Again, I suspect that the answer to that is NO.
What kind of corn crop would you get if you went year on year with corn without adding significant amounts of manmade nitrogen? That 175 bu crop would be down to 100, then 75, then 50 and probably decline from there fairly rapidly. I don't imagine there's anyone out there with much interest in proving that... They wouldn't make any money proving that, so they add chemical N.
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Today's Featured Article - Gatherin of the Orange - by Rick Nikolich. In July of 1998 I was talking to fellow Allis Chalmers collector Mike Schilling about the annual "Gathering of The Orange" AC show coming up in August of 1999. He got this wild idea that we should get a convoy of AC tractors and drive them from Charlotte, Michigan 105 miles to LaGrange, Indiana.
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