The names and definitions for commercial fertilizers shall be those adopted by the Association of American Plant Food Control Officials (AAPFCO), and published in the AAPFCO Official Publication, Edition No. 77, available as specified in Appendix II.

Source. #1769, eff 6-30-81; ss by #2408, eff 6-30-83; ss by #2889, eff 10-22-84, EXPIRED 10-22-90 New. #5436, eff 7-22-92, EXPIRED: 7-22-98 New. #7218, eff 3-29-00, EXPIRED: 3-29-08 New. #10464, eff 11-26-13, EXPIRED: 11-26-23 New. #13947, eff 4-30-24, EXPIRED: 10-27-24 New. #14128, eff 11-26-24, EXPIRES: 11-26-34