Mo. Rev. Stat. § 236.090

In such case the sheriff shall give the proprietor of the land whereof one acre is prayed for, a reasonable notice of the time and place when and where he will take the inquest of the jury, if such proprietor be in his county, and if not, he shall set up notice at the house of the tenant of such land, and if there be no actual tenant thereof, he shall set up such notice at some conspicuous place on the land.