Mo. Rev. Stat. § 442.581
Lease deemed to be ownership, when.
442.581. Lease deemed to be ownership, when. — Any person who obtains a lease on agricultural land for a term of ten years or longer or a lease renewable at his option for terms which might total ten years has acquired agricultural land within the meaning of sections 442.560 to 442.591 .
(L. 1978 S.B. 685 § 5)