wrote in news:ba99b7ee-b731-424f-93ff-
:



Self-Heating In Yard Trimmings:
Conditions Leading To Spontaneous Combustion

http://www.pta.utk.edu/library/pdf/s..._trimmings.pdf



Same thing can happen inside hay bales if the hay is too wet. That's why
Farmer Brown lets the hay sit for a bit, and flips it once, before baling
it.

I've even seen wet garbage get pretty warm inside.


--
Tegger