The purpose of this rulemaking is to provide notice of the form (FDACS-13409 Rev. 10/13) incorporated by reference in the rule, update the assays and fees for commercial fertilizer testing, establish certain investigational allowances for fertilizer deficiencies in rule and a date by which such allowances are effective and other allowances are repealed, and establish matching criteria for referee fertilizer analysis in rule in accordance with Chapter 2013-226, s. 14, 15 and 16, Laws of Florida amending s. 576.051, 576.061 and s. 576.181, Florida Statutes. The effect of this rulemaking will be to provide notice of the form incorporated by reference in the rule and bring the form into compliance with Section 120.55(1)(a)4., Florida Statutes, to revise assays and fees to match those in the new Laboratory Information Management System, to establish certain investigational allowances for fertilizer deficiencies in rule including the revisions recently made by the Association of American Plant Food Control Officials (AAPFCO) for higher percent available phosphate and soluble potash guarantees and establish the date by which such allowances are effective and other allowances are repealed, and establish matching criteria for referee fertilizer analysis determinations in rule that provide for more statistically defensible determinations for low nutrient guarantees in accordance with Chapter 2013-226, s. 14, 15 and 16, Laws of Florida amending s. 576.051, 576.061 and s. 576.181, Florida Statutes.