N.M. Stat. § 3-57-8
The municipality and any owner of real property in such territory may appear in such action and present evidence and argument on all issues involved. During the trial, the district court may take notice of generally recognized technical or scientific facts within the specialized knowledge of physicians and other persons qualified as experts in the field of public health. The judgment of the district court shall state whether all, a part or none of such territory shall be annexed to the municipality. Upon the filing of a copy of a judgment annexing territory in the office of the county clerk, the annexation shall be deemed complete. Except as inconsistent herewith, the Rules of Civil Procedure for the district courts, the court of appeals, and the supreme court shall apply to all actions under Sections 6, 7, and 8 of this act [3-57-6, 3-57-7 and 3-57-8 NMSA 1978].
NMS § 3-57-8