94.65 Soil and plant additives. (1) DEFINITIONS. In this section: (a) “Active ingredient” means a component of a soil or plant additive from which the soil or plant additive derives all or part of its value or effectiveness and which is: 1. A living microorganism; or 2. Defined as an active ingredient by department rule. (b) “Brand or product name” means a name, term, design or trademark which identifies the product.
May 22, 2026, are designated by NOTES. (Published 5-22-26)
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Updated 23-24 Wis. Stats.
(bm) “Compost-based soil or plant additive” means a soil or plant additive that is produced from converting unmanipulated animal or vegetable manure into compost or vermicompost, as defined in s. 94.64 (1) (u), and their derivatives. (c) “Distribute” means to import, consign, sell, offer for sale, solicit orders for sale or otherwise supply for use in this state. (d) “Inert ingredient” means a component of a soil or plant additive which does not affect the performance or efficacy of the soil or plant additive. (e) “Label” means the display of written, printed or graphic matter which is attached to, or forms a part of, the immediate container of a soil or plant additive, or which accompanies a bulk distribution of soil or plant additive. (em) “Sewage sludge” has the meaning specified in s. 94.64 (1) (pm). (f) “Soil or plant additive” means any substance which is intended to be applied to seeds, soil or plants and which is designed for use or claimed to have value in promoting or sustaining plant growth; improving crop yield or quality; promoting or sustaining the fertility of the soil; or favorably modifying the structural, physical or biological properties of the soil for agricultural purposes. “Soil or plant additive” does not include: 1. Fertilizer, as defined in s. 94.64 (1) (e). 2. Liming material, as defined in s. 94.66 (1) (am), if the liming material is distributed solely for the purposes stated in s.