Uniformity of seed law; exclusive jurisdiction of state

(a) On and after the effective date of this section, the provisions of the Kansas seed law, and any rules and regulations promulgated thereunder relating to seed sale or use, including, but not limited to, planting, production, use, advertising, sale, distribution, storage, transportation, formulation, packaging, labeling, certification or registration of an agricultural seed within the state of Kansas, shall be applicable and uniform throughout this state and in all cities, counties and political subdivisions therein. No local authority shall enact or enforce any law, ordinance, rule, regulation or resolution in conflict with, in addition to, or supplemental to, the provisions of the Kansas seed law unless expressly authorized by law to do so. Any law, ordinance, rule, regulation or resolution in conflict with, in addition to, or supplemental to, the provisions of the Kansas seed law is hereby declared to be invalid and of no effect. Any amendment to the Kansas seed law or any amendment of the rules and regulations promulgated thereunder, shall supersede and preempt the conflicting, additional or supplemental provisions of any law, ordinance, rule, regulation or resolution enacted by any city, county or other political subdivision of this state. As used in this section, "Kansas seed law" means the statutes contained in article 14 of chapter 2 of the Kansas Statutes Annotated, and amendments thereto. (b) Nothing in this section shall be construed to preempt or otherwise limit the authority of any city, county or political subdivision therein to adopt and enforce zoning regulations, fire codes or hazardous waste disposal restrictions. (c) The provisions of this section are part of and supplemental to the Kansas seed law.