(2) The board at the time of calling the election within the land described in the petition shall also by resolution call an election to be held within the district at large for the purpose of submitting the question as to whether or not the proposed improvement shall be constructed. This resolution shall contain provisions identical with those provided for in subsection (1) of this section. The election in the district at large shall be held on the same day that the election within the territory described in the petition is held. The election shall be conducted, as nearly as practicable, in accordance with the general election laws of the state applicable to irrigation districts. [Formerly 545.404]