Are any of these two ok?

[Sunny_Sunday]

Are any of these organic and safe for a horse field tortoise?

 

[ZEROPILOT]

The short answer is no.
Do you have a Home Depot near you?
They sell this. And it works very well as a substrate

 

[Yvonne G]

No. Soil isn't appropriate.

 

[Tom]

Are any of these organic and safe for a horse field tortoise?

Soil should never be used as tortoise substrate. Not any kind. Its made from composted yard waste and all sorts of other weird stuff. The people who make it do not intend for small animals to be living in or on it.

Check this out. Look at number 5 and 6:

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