A. The cost, when fixed and determined under the alternative plan for eradication of noxious weeds, shrubs, vines and grasses, shall constitute special assessments and a lien of the district against the respective tracts, parcels or lots of land described.

B. The assessments shall then be certified by the board of directors to the county treasurer who shall add them to the next regular statements for other property taxes levied against the respective tracts, parcels or lots of land described, and who shall collect the amounts so assessed and levied at the time and in the manner, and subject to the same procedure and penalties for delinquency, as other property taxes.