(a) Each container of a soil amendment shall be labeled on the face or display side in a readable and conspicuous form to show the following information:

(1) The net weight of the contents;

(2) The name of the product;

(3) The guaranteed analysis, including the name and the percentage of each active ingredient and the percentage of inert ingredients;

(4) A statement as to the purpose of the product;

(5) Adequate directions for use such as application rates, cultural practices, and plants to be benefited; and

(6) The name and address of the registrant.

(b) Bulk lots shall be labeled by attaching a copy of the label to the invoice which shall be furnished the purchaser.

(c) (1) (A) The State Plant Board may require proof of claims made for any soil amendment.

(B) If no claims are made, the board may require proof of usefulness and value of the soil amendment.

(2)

(A) For evidence of proof, the board will rely on experimental data, evaluations, or advice supplied from such sources as the University of Arkansas Agricultural Experiment Station and the University of Arkansas Cooperative Extension Service.

(B) All experimental results shall be related to Arkansas conditions for which the product is intended.

(C) The board may accept or reject other sources of proof as additional evidence in evaluating soil amendments.

(d) (1) (A) No soil-amending ingredient may be listed or guaranteed on the labels or labeling of soil amendments without board approval.

(B)

(i) The board may allow a soil-amending ingredient to be listed or guaranteed on the label or labeling if satisfactory supportive data is provided the board to substantiate the value and usefulness of the soil-amending ingredient.

(ii) When a soil-amending ingredient is permitted to be listed or guaranteed, it must be determinable by laboratory methods and is subject to inspection and analysis.

(2) The board may prescribe methods and procedures of inspection and analysis of the soil-amending ingredient.

(3) The board may stipulate, by regulation, the quantities of the soil-amending ingredients required in soil amendments.