1. "Beneficial substance" means a substance or compound, which includes a plant amendment, plant biostimulant, plant inoculant, soil amendment, soil inoculant, and other chemical or biological materials benefiting the growing environment of plants demonstrated by scientific research to be beneficial to one or more species of plants, soils, or media. The term does not include a primary, secondary, or microplant nutrient or pesticides.

2. "Brand" means a term, designation, trademark, product name, or other specific designation under which an individual beneficial substance is offered for sale.

3. "Bulk" means products in nonpackaged form.

4. "Distribute" means to import, consign, manufacture, produce, compound, mix, or blend beneficial substances, or offer for sale, sell, barter, or otherwise supply beneficial substances in the state.

5. "Distributor" means a person that imports, consigns, manufactures, produces, compounds, mixes, or blends beneficial substances, or offers for sale, sells, barters, or otherwise supplies beneficial substances in the state.

6. "Label" means the display of all written, printed, or graphic matter upon the immediate container or statement accompanying a beneficial substance.

7. "Labeling" means informational materials advertising the sale of a beneficial substance, which includes a written, printed, graphic, or electronic communication.

8. "Official sample" means any sample of a beneficial substance taken by the commissioner or the commissioner's agent and designated as official by the commissioner.

9. "Person" means an individual or organization.

10. "Plant amendment" means a substance applied to a plant or seed intended to improve growth, yield, product quality, reproduction, flavor, or other favorable characteristics of plants. The term does not include fertilizers, soil amendments, agricultural liming materials, animal and vegetable manure, pesticides, plant regulators, and other materials which may be exempt by regulation.

11. "Plant biostimulant" means a substance or micro-organism that, when applied to seeds, plants, the rhizosphere, soil, or other growth media, supports a plant's natural nutrition processes independently of the biostimulant's nutrient content, which ultimately improves nutrient availability, uptake, or use efficiency; tolerance to abiotic stress; and consequent growth, development, quality, or yield.

12. "Plant inoculant" means a product consisting of micro-organisms applied to a plant or soil to enhance the availability or uptake of plant nutrients through the root system.

13. "Registrant" means the person that registers the beneficial substance that bears the person's company name on the label and is the guarantor.

14. "Soil amendment" means any substance or a mixture of substances which is intended to improve the physical, chemical, biochemical, biological, or other characteristic of the soil. The term does not include fertilizers, agricultural liming materials, unmanipulated animal manures, unmanipulated vegetable manures, pesticides, and other materials exempt by regulation.

15. "Soil inoculant" means a microbial product applied to colonize soil to benefit soil chemistry, biology, or structure.