 What kind of impact does that have on temperature readings? Is it significant? Well, I can tell you this, that freshly tilled soil does, in fact, get warmer in the sunlight. And I know this. I used to be a pilot before my hearing went to heck. But you would be, and I flew out of Indiana, and you could fly over these farmers' fields, and the ones that had been tilled would have a strong updraft. The updraft from the sun heating that bare soil...