K.S.A. 19-2725

The notice provided for in the preceding section may be served by sending a certified copy thereof by mail to the usual place of residence of the person to be notified and [said board] shall publish the same for two successive insertions in some newspaper published in the county in which by law legal publications may be made, and proof of such newspaper publication shall be made by affidavit. The notice herein provided for shall be served at least ten days before the time set for the hearing of the said petition.