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Commercial Fertilizer Dealers

To distribute fertilizer products in Wisconsin you must:

Have an annual license, valid October 1-September 30. The license fee is $30/year.
Annually report tonnage and pay tonnage fees of $0.62/ton of fertilizer distributed in Wisconsin.
For products that also contain soil and plant additive substances, obtain a soil or plant additive license and permit for the product

Current license holders will receive renewal packets by mail, including forms to report tonnage, in August.

Current license holders can follow these instructions and download renewal materials below. Updated forms will be posted in August.

New applicants can follow these instructions and download application materials below.

Forms

New fertilizer license application

Commercial Fertilizer License Renewal Application

Permit to distribute nonagricultural or special-use fertilizer

Commercial tonnage report form

Fertilizer and soil or plant additive export certificate of free sale application

Fertilizer or Soil or Plant Additive Organic Exemption Form

Non-Agricultural and Special-Use Fertilizer Permits

If you distribute low-analysis fertilizers, you will need either a non-agricultural or special-use permit. Low-analysis fertilizers have less than 24 percent N-P-K. These permits remain in effect until you change the product's label or formulation. The permit fee is $25/permit, a one-time charge.

Non-agricultural fertilizers are used on gardens, lawns, golf courses, greenhouses and nurseries and other non-farm uses, and for research.
Special-use fertilizers are for product labeled for remedying nutrient deficiencies unique to certain crops or local areas
You may also need a soil or plant additive license and permit if the fertilizer product also include substances that claim to improve plant growth, crop yield or quality, or soil properties.