A person may not custom apply specialty fertilizers unless a label, invoice, or delivery ticket is provided to each customer stating in clear, legible, and conspicuous form the following information. In addition, copies of invoices or delivery tickets must be kept for five (5) years after the sale, delivery, or application of fertilizer. 18C & Minnesota Rules, 1510.0410 to 1510.0422
* Total Nitrogen (N) guarantee - The nitrogen breakdown statement is only required when slow release or organic nitrogen properties are claimed or guaranteed.
When other plant nutrients in addition to N, P2O5 or K2O are guaranteed, they must be listed in columnar form immediately below the primary nutrient guarantees and be in the order and minimum percentages listed below:
If the percentage of any plant nutrient is zero, the plant nutrient must be omitted from the guaranteed analysis statement.
The aforementioned specifications are the minimum required to be placed on a lawn service fertilizer (custom application) product label. If additional information is provided on the label, further labeling requirements may be enforced. Therefore, it is advisable to consult with the department for a label review prior to final printing. In addition, it is advised that Minnesota Rules, 1510.0410 to 1510.0422 the Fertilizer Labeling Rules be reviewed prior to printing a label.
The above is a suggested format. Alternative formats may be used provided they are approved by the MDA.
Carol Durden, State Program Administrator
Pesticide & Fertilizer Management Division