While farm products are located in a jurisdiction, the local law of that jurisdiction governs perfection, the effect of perfection or nonperfection, and the priority of an agricultural lien on the farm products.
Law governing perfection and priority of agricultural liens - UCC 9-302
Ohio Rev. Code Ann. § 1309.302, under Chapter 1309 | Secured Transactions.
Ohio Rev. Code Ann. § 1309.302