# Agriculture (GAG)

## Title 6. Commercial Feed and Fertilizer and Agricultural Liming Materials

### Subtitle 2. Maryland Commercial Fertilizer Law

#### Section 6-213

The plant nutrient content of each commercial fertilizer shall remain uniform for the period of registration. No percentage of any guaranteed plant nutrient element may be changed in a manner that lowers the crop-producing quality of the commercial fertilizer, even if the fertilizer is registered subsequently.

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Md. Code Ann., Agric. (as displayed at mgaleg.maryland.gov, October 16, 2026)