Section 14513 Of Article 2. Definitions From California Food And Agricultural Code >> Division 7. >> Chapter 5. >> Article 2.

. "Auxiliary soil and plant substance" means any chemical or biological substance or mixture of substances or device distributed in this state to be applied to soil, plants, or seeds for soil corrective purposes; or that is intended to improve germination, growth, yield, product quality, reproduction, flavor, or other desirable characteristics of plants; or that is intended to produce any chemical, biochemical, biological, or physical change in soil; but does not include commercial fertilizers, agricultural minerals, pesticides, soil amendments, or manures. It shall include the following:
  (a) Bacterial inoculants.
  (b) Biotics.
  (c) Lignin or humus preparations.
  (d) Microbial products, including genetically engineered microorganisms.
  (e) Soil binding agents.
  (f) Synthetic polyelectrolytes.
  (g) Wetting agents to promote water penetration.
  (h) Any similar product intended to be used for influencing soils, plant growth, or crop or plant quality.