2017 Revised Code of Washington
Title 15 - AGRICULTURE AND MARKETING
15.54 Fertilizers, minerals, and limes.
15.54.400 Restrictions on sale—Minimum percentages.

RCW 15.54.400 Restrictions on sale—Minimum percentages.

No superphosphate containing less than eighteen percent of available phosphoric acid may be sold or offered for sale in this state. Specialty fertilizers, except manipulated animal and vegetable manures, guaranteeing less than five percent total plant food shall contain on the label specific directions for use, and prior to registration, the department may require proof of the efficacy of the product when used as directed.

[ 1987 c 45 § 19; 1967 ex.s. c 22 § 28.]

NOTES:

Construction—Severability—1987 c 45: See notes following RCW 15.54.270.

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