They get pollen from crimson clover, nectar from vetch,those are probably gone this time of year. Saw a post the other day from Alabama where there were some bees on bahia grass, would never of figured that. All depends on whats in the field on whether it is going to help either of you. Also may want to know what else is around where his fields are. May be a great place, check it out, if you would like.
Good luck anyway.