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     Idaho Statutes

Idaho Statutes are updated to the website July 1 following the legislative session.


22-603.  Definitions. When used in this chapter:
(1)  "Biosolid(s)" means a primary organic solid material produced by wastewater treatment processes that can be beneficially recycled for its plant nutrient content and soil amending characteristics, as regulated under the code of federal regulations, 40 CFR 503, as amended.
(2)  "Brand" means a term, design, or trademark used in connection with one (1) or several grades of fertilizer.
(3)  "Calcium carbonate equivalent" means the acid-neutralizing capacity of an agricultural liming material expressed as a weight percentage of calcium carbonate.
(4)  "Compost" means a biologically stable material derived from the composting process.
(5)  "Composting" means the biological decomposition of organic matter. It is accomplished by mixing and piling in such a way to promote aerobic and/or anaerobic decay. The process inhibits pathogens, viable weed seeds and odors.
(6)  "Coproduct" means a chemical substance produced for a commercial purpose during the manufacture, processing, use or disposal of another chemical substance or mixture.
(7)  "Deficiency" means the amount of nutrient found by analysis to be less than that guaranteed, which may result from a lack of nutrient ingredients or from lack of uniformity.
(8)  "Department" means the Idaho state department of agriculture or its authorized representative.
(9)  "Distribute" means to import, consign, manufacture, produce, compound, mix, or blend fertilizer, or to offer for sale, sell, barter or otherwise distribute or supply fertilizer in this state.
(10) "Distributor" means any person who distributes.
(11) "Fertilizer" means any substance containing one (1) or more recognized plant nutrient which is used for its plant nutrient content and which is designed for use or claimed to have value in promoting plant growth, and includes limes and gypsum. It does not include unmanipulated animal manure and vegetable organic waste-derived material, or biosolids regulated under the code of federal regulations, 40 CFR 503, as amended.
(a)  "Bulk fertilizer" means a fertilizer distributed in a nonpackaged form.
(b)  "Customer formula fertilizer" means a mixture of fertilizer or materials of which each batch is mixed according to the specific instructions of the final purchaser.
(c)  "Fertilizer material" means a fertilizer which either:
(i)   Contains important quantities of no more than one (1) of the primary plant nutrients: nitrogen (N), phosphate (P2O5) and potash (K2O), or
(ii)  Has eighty-five percent (85%) or more of its plant nutrient content present in the form of a single chemical compound, or
(iii) Is derived from a plant or animal residue or byproduct or natural material deposit which has been processed in such a way that its content of plant nutrients has not been materially changed except by purification and concentration.
(d)  "Micronutrient fertilizer" means a fertilizer that contains valuable concentrations of micronutrients, but does not contain valuable concentrations of total nitrogen (N), available phosphate (P2O5), soluble potash (K2O), calcium (Ca), magnesium (Mg), or sulfur (S).
(e)  "Mixed fertilizer" means a fertilizer containing any combination or mixture of fertilizer materials.
(f)  "Packaged fertilizer" means fertilizers, either agricultural or specialty, distributed in nonbulk form.
(g)  "Specialty fertilizer" means a fertilizer distributed for nonagricultural use.
(h)  "Waste-derived fertilizer" includes any commercial fertilizer derived from an industrial byproduct, coproduct or other material that would otherwise be disposed of if a market for reuse were not an option, but does not include fertilizers derived from biosolids or biosolid products regulated under the code of federal regulations, 40 CFR 503, as amended.
(12) "Grade" means the percentage of total nitrogen, available phosphate, and soluble potash stated in whole numbers in the same terms, order, and percentages as in the guaranteed analysis. Provided however, that specialty fertilizers may be guaranteed in fractional units of less than one percent (1%) of total nitrogen, available phosphate, and soluble potash: provided further, that fertilizer materials, bone meal, and similar materials may be guaranteed in fractional units.
(13) "Guaranteed analysis" means the minimum percentage of plant nutrients claimed, for a total nitrogen, available phosphate, or soluble potash fertilizer, consistent with the grade and in the following order and form:

(a)  Total nitrogen 

Available phosphate 

Soluble potash 

(b)  Unless approved by the department, all fertilizer intended for agricultural use with a total nitrogen, available phosphate, or soluble potash guarantee shall contain five percent (5%) or more of available nitrogen, phosphate, or potash, singly, collectively, or in combination.
(c)  For unacidulated mineral phosphatic materials and basic slag, the guaranteed analysis shall contain both total and available phosphate and the degree of fineness. For bone, tankage, and other organic phosphatic materials, the guaranteed analysis shall contain total and available phosphate.
(d)  The guaranteed analysis for limes shall include the percentage of calcium or magnesium expressed as their carbonate; the calcium carbonate equivalent as determined by methods prescribed by the association of official analytical chemists, international (AOAC); and the minimum percentage of material that will pass respectively a one hundred (100) mesh, sixty (60) mesh, and ten (10) mesh sieve.
(e)  The guarantees for nutrients other than total nitrogen, available phosphate and soluble potash shall be expressed in the form of the element. The source (oxides, salts, chelates, etc.) of such other nutrients may be required to be stated on the application for registration and shall be included on the label. Other beneficial substances or compounds, determinable by laboratory methods, also may be guaranteed by permission of the department. Other guarantees shall not be included with the guarantee for nutrients, but shall be listed separately as "nonnutrient substances." When any plant nutrients or other substances or compounds are guaranteed they shall be subject to inspection and analysis in accordance with the methods and rules prescribed by the department.
(f)  In a fertilizer with the principal constituent of calcium sulfate (gypsum), the percentage of calcium sulfate ( CaSO42H2O ) shall be given along with the percentage of total sulfur (S).
(14) "Investigational allowance" means an allowance for variations inherent in the taking, preparation and analysis of an official sample of fertilizer.
(15) "Label" means the display of all written, printed, or graphic matter, upon the immediate container, or a statement accompanying a fertilizer.
(16) "Labeling" means all written, printed, or graphic matter, upon or accompanying any fertilizer, or advertisements, brochures, posters, and television and radio announcements used in promoting the sale of such fertilizer.
(17) "Lime" means a substance or a mixture of substances, the principal constituent of which is calcium carbonate ( CaCO3 ), calcium hydroxide (Ca(OH)2), calcium oxide (CaO), magnesium carbonate (MgCO3), magnesium hydroxide (Mg(OH)2) or magnesium oxide (MgO), singly or combined, and capable of neutralizing soil acidity.
(18) "Manipulation" means actively processed or treated in any manner.
(19) "Manufacture" means to compound, produce, granulate, mix, blend, repackage, or otherwise alter the composition of fertilizer materials.
(20) "Micronutrient" means boron (B), chlorine (Cl), cobalt (Co), copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo), nickel (Ni), sodium (Na), and zinc (Zn).
(21) "Official sample" means any sample of fertilizer taken by the director or his authorized agent and designated as "official" by the department.
(22) "Organic waste-derived material" means grass clippings, leaves, weeds, bark, plantings, prunings and other vegetative wastes, wood wastes from logging and milling operations, and food wastes. "Organic waste-derived material" does not include products that contain biosolids as defined in this section.
(23) "Packaged fertilizer" means fertilizers, either agricultural or specialty, distributed in nonbulk form.
(24) "Percent" or "percentage" means the percentage by weight.
(25) "Person" means an individual, partnership, association, firm or corporation.
(26) "Primary nutrient" means total nitrogen, available phosphate, and soluble potash.
(27) "Production" means to compound or fabricate a fertilizer through a physical or chemical process. Production does not include mixing, blending, or repackaging fertilizer products.
(28) "Registrant" means the person who registers fertilizer under the provisions of this act.
(29) "Storage container" means a container, including a railcar, nurse tank or other container that is used or intended for the storage of bulk liquid or dry fertilizer. It does not include a mobile container at a storage facility for less than fifteen (15) days if this storage is incidental to the loading or unloading of a storage container at the bulk fertilizer storage facility. Storage container does not include underground storage containers or surface impoundments such as lined ponds or pits.
(30) "Storage facility" means a location at which undivided quantities of liquid bulk fertilizer in excess of five hundred (500) U.S. gallons or undivided quantities of dry bulk fertilizer in excess of fifty thousand (50,000) pounds are held in a storage container. Temporary field storage of less than thirty (30) days is not considered a storage facility.
(31) "Ton" means a net weight of two thousand (2,000) pounds avoirdupois.
(32) "Tonnage-only distributor" means any person who assumes the responsibility for inspection fees and reports. A tonnage-only distributor must register with the department on forms provided by the director.
When not specifically stated in this section or otherwise designated by the department in rule, the department will be guided by the definitions of general terms, fertilizer materials and soil and plant amendment materials as set forth in the Official Publication of the Association of American Plant Food Control Officials (AAPFCO) or the Merck Index, published by Merck Co., Inc.

[22-603, added 2000, ch. 295, sec. 2, p. 1013; am. 2001, ch. 147, sec. 2, p. 516; am. 2008, ch. 131, sec. 1, p. 365; am. 2022, ch. 27, sec. 1, p. 75.]

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