• Fertilizer Program
The Michigan Department of Agriculture & Rural Development (MDARD) inspects, tests, and issues licenses and registration for fertilizer, soil conditioner, and liming materials distributed or manufactured ...

• Fertilizer Definitions

• Fertilizer License Details & FAQ

• Fertilizer License and Registration Requirements
Licensing - Required for firms that have their names on the labeling or invoicing for an agricultural fertilizer manufactured or distributed in Michigan. Registration - All specialty (non-farm use) ...

• Fertilizer License and Registration Application Form 
This form applies to the following:
•Specialty Fertilizer Registration
•Soil Conditioner Registration
•Fertilizer Manufacturer/Distributor Licensing

• Label Requirements of specialty and other bagged fertilizers

• Reporting Fertilizer Tonnage

• Ammonium Nitrate Security Requirements for Fertilizer Manufacturers, Distributors and Retailers
Attention: Fertilizer Manufacturers, Distributors and Retailers

• Anhydrous Ammonia
Producers throughout Michigan use anhydrous ammonia as a source of nitrogen fertilizer for crops.

• Anhydrous Ammonia Safety and Security Practices (AASSPs) in accordance with the Anhydrous Ammonia Security Act, Public Act 417 of 2006
The Anhydrous Ammonia Safety and Security Practices (AASSPs) are standards established by the Commission of Agriculture that constitute safe and secure anhydrous ammonia storage and handling.

• Department of Homeland Security Chemical Facility Standards (April 2007)

• Be Phosphorus Smart - MSUE Website

• Homeowner Brochure - Use Phosphorus Free Fertilizer (Printer Friendly) 

• Homeowner Brochure - Use Phosphorus Free Fertilizer 

• Michigan Adopts Statewide Phosphorus Fertilizer Limits on Lawns effective January 1, 2012 

• MSU Soil Testing Lab Recommendations for Phosphorus Applications to Turfgrass 

• Phosphorus Fertilizer - Local Ordinances List 
List of counties, cities and townships with ordinances that restrict the use of phosphorus fertilizer on lawns.

• Recent Phosphorus Newsletter Article 

• Senate Bill 648
Proposed Amendments to Act 299 were introduced in September 2011.

• Liming License Application 

• Liming License Details & FAQ

• Be Phosphorus Smart - MSUE Website

• Weights and Measures Information
Includes Michigan registered service person look-up, consumer tips, FAQs and related information

• AOAC International

• Association of American Plant Food Control Officials/AAPFCO

• Michigan State University Extension/MSUE

• The Fertilizer Institute/TFI

• Act 451 of 1994, Part 85, FERTILIZERS

• Act 417 of 2006 - ANHYDROUS AMMONIA SECURITY ACT

• Liming Materials, Act 162 of 1955

• Regulation No. 634: Commercial Fertilizers