I have a 10,000 bu grain bin, up to 3,000,000 btu gas dryer with 20 hp fan, I also have a double auger stirator system. Walked through a field tonight, looks like the inner part is drier than the edges. Tops are starting to come off. Been a dry summer, had corn in at beginning of May, only have about a 60% crop, so I don't want it to fall apart on me while I'm away. last year I waited until Nov and had heavy rotor loss from the corn splattering when it hit the snapping rollers. May try a round this weekend and see how it goes. Sorry should have said grain bin instead of silo, will be keeping it as grain not silage. Mike