The county commissioners of the several counties of this Commonwealth are hereby authorized to appropriate, annually, out of the current revenues of the county, moneys to any incorporated agricultural or horticultural society or association located within the county. The total amount of any such appropriation in any one county shall not exceed fifteen hundred dollars in any one year, and where more than one such society or association is located in the county, the amount appropriated may be distributed and divided among said societies and associations in such proportions and such amounts as the board of county commissioners, in its discretion, may determine.
16 P.S. § 7921