Will mulch self combust?

wt?

Thank you for using the Jiskha Homewwork Help Forum. It could, depending upon the mulch!

http://www.environmental-expert.com/resulteacharticle4.asp?cid=6042&codi=4137

I have had hay catch on fire...was green and moist when baled, stacked in large stacks, under a hot shed. The fermentation drove temps very high.