Ohio Rev. Code § 905.11: False representations.

No person shall falsely represent that an agricultural additive:

(A) Can be used in lieu of another product or products, including fertilizers and agricultural liming materials, with the same or similar results;

(B) Enhances the effects or benefits of a fertilizer or agricultural liming material;

(C) Is useful and effective when used under weather conditions normal for this state or in soils in this state;

(D) Is useful when used in conjunction with a specific crop;

(E) Has sponsorship or approval that it does not;

(F) Has been tested or proven to produce the results or effects claimed;

(G) Has certain delayed or long range benefits;

(H) Product has no harmful or potentially harmful side effects.