Possession — bar.

Thirty days’ peaceable possession with the knowledge of the plaintiff after the cause of action accrues is a bar to this proceeding. [C51, §2372; R60, §3962; C73, §3621; C97, §4217; C24, 27, 31, 35, 39, § 12279; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §648.18 ] Referred to in §648.22A , 648.22B