What should you stack hay bales on in storage to let air flow underneath?

Pallets, to keep bales off damp ground.

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  1. Bare dirt
  2. Pallets ✔
  3. Plastic tarps laid flat

Why: Bales on the ground soak up moisture and spoil. Pallets let air move underneath so bales stay drier. Dry hay means less mold and less waste.

Huh, didn't know that: Hay bales stored on wet ground can lead to 50 percent spoilage, says UMN Extension.

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References

Answer: Pallets. Bales on the ground soak up moisture and spoil. Pallets let air move underneath so bales stay drier. Dry hay means less mold and less waste.

  1. Selecting and storing horse hay, UMN Extension extension.umn.edu/node/17811
    Stack bales on pallets to allow air flow under the bales.
    Checked 2026-10-10.
  2. Caring for horses on a budget, UMN Extension extension.umn.edu/node/17611
    Hay bales stored on wet ground can lead to 50 percent spoilage.
    Checked 2026-10-10.

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