Of course Glenna,
I did fail to mention that aged compost is fine.
I made the assumption that the horse manure would be fresh.. You can put
fresh manure on any bed, wormed or otherwise, and over time the worms will
come back with a vengence. (6 months or more) But if you don't want to kill
off the existing worms, fresh manure needs to be 'checked'. If the animals
have been recently wormed or you are unsure, I think it is safer to put it
into a heated compost.
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