I have no experience in hay or such, but I do know that the Amish, in general, are great builders as I'm sure you know.

Perhaps a deal could be struck where the farmer and his clan will build your barn for you in the future, or maybe the fences.

Excerpt from Robert Crais' "The Monkey's Raincoat:"
"She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."