• Buffaloaf@lemmy.world
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    9 months ago

    The moisture and organic material causes mold and bacteria to form and create heat. Because hay is a good insulator, heat will build up more and more. Once the hay gets to a certain temperature flammable gases are formed and can combust from the heat.

    • topinambour_rex@lemmy.world
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      9 months ago

      And as the heat raises, it becomes perfect for other bacterias, which start to multiply too, increasing more the heat