Office of Indiana State Chemist Office of Indiana State Chemist Office of Indiana State Chemist Office of Indiana State Chemist
175 S. University St., W. Lafayette, IN 47907 (765) 494-1492
  • OISC
    • About OISC
    • Directory
    • Complaints
    • Inspections
    • Public Meetings
    • Online Services
    • Laws and Regulations
  • Feed
    • Program Information
    • Laws & Regulations
    • Sampling Reports
    • Licensing & Registration
    • Pet Food
    • Raw Products
    • Crop Survey & Guidelines
    • News & Updates
  • Fertilizer
    • Program Information
    • Laws & Regulations
    • Sampling Reports
    • Investigations
    • Applicator Information
    • Licensing & Permits
    • Resources
    • Fertilizer Advisory Board
    • News & Updates
  • Hemp
    • Program Information
    • Laws & Regulations
    • Growers/Handlers
    • Seed Producers
    • Frequently Asked Questions
    • Annual Reports
    • Additional Resources
  • Pesticide
    • Program Information
    • Laws & Regulations
    • File a Complaint
    • Pesticide Applicators
    • Licensing & Certification
    • Businesses
    • Products & Devices
    • Special Programs
    • Pesticide Review Board
    • News & Updates
  • Seed
    • Program Information
    • Laws & Regulations
    • Noxious Weeds
    • Annual Reports
    • Labeling
    • Service Testing
    • Permitting & Compliance
    • News & Updates
  • Search
    • Main Website
    • Public Sample Results
    • Products and Licenses
    • Investigation Records
Office of Indiana State Chemist Office of Indiana State Chemist
  • OISC
    • About OISC
    • Directory
    • Complaints
    • Inspections
    • Public Meetings
    • Online Services
    • Laws and Regulations
  • Feed
    • Program Information
    • Laws & Regulations
    • Sampling Reports
    • Licensing & Registration
    • Pet Food
    • Raw Products
    • Crop Survey & Guidelines
    • News & Updates
  • Fertilizer
    • Program Information
    • Laws & Regulations
    • Sampling Reports
    • Investigations
    • Applicator Information
    • Licensing & Permits
    • Resources
    • Fertilizer Advisory Board
    • News & Updates
  • Hemp
    • Program Information
    • Laws & Regulations
    • Growers/Handlers
    • Seed Producers
    • Frequently Asked Questions
    • Annual Reports
    • Additional Resources
  • Pesticide
    • Program Information
    • Laws & Regulations
    • File a Complaint
    • Pesticide Applicators
    • Licensing & Certification
    • Businesses
    • Products & Devices
    • Special Programs
    • Pesticide Review Board
    • News & Updates
  • Seed
    • Program Information
    • Laws & Regulations
    • Noxious Weeds
    • Annual Reports
    • Labeling
    • Service Testing
    • Permitting & Compliance
    • News & Updates
  • Search
    • Main Website
    • Public Sample Results
    • Products and Licenses
    • Investigation Records
  1. OISC
  2. Fertilizer
  3. Resources

Fertilizer Resources

  • Fertilizer Application Regulations for Growers
  • Bulk Storage and Containment Requirements for Fertilizers & Pesticides
  • Private Applicator Requirements
  • Continuing Education
  • Links to Purdue and OISC Resources

Mission

The Indiana State Chemist is charged with administering several agricultural laws involving animal feeds, fertilizers, pesticides and seeds. The goals of these laws are to ensure truth-in-labeling, food safety, user safety and the protection of our environment.

Reach Out

  • File a Complaint
  • Contact Us
  • (765) 494-1492
  • (765) 494-4331
  • 175 S. University Street, West Lafayette, IN 47907
  • oiscsupport@groups.purdue.edu

Online Services

  • Licensing and Product Portal (INPlants)
  • Hemp Licensing Portal
  • Investigation Records
  • Sampling Reports
© Office of Indiana State Chemist 2026
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  • OISC
    • About OISC
    • Directory
    • Complaints
    • Inspections
    • Public Meetings
    • Online Services
    • Laws and Regulations
  • Feed
    • Program Information
    • Laws & Regulations
    • Sampling Reports
    • Licensing & Registration
    • Pet Food
    • Raw Products
    • Crop Survey & Guidelines
    • News & Updates
  • Fertilizer
    • Program Information
    • Laws & Regulations
    • Sampling Reports
    • Investigations
    • Applicator Information
    • Licensing & Permits
    • Resources
    • Fertilizer Advisory Board
    • News & Updates
  • Hemp
    • Program Information
    • Laws & Regulations
    • Growers/Handlers
    • Seed Producers
    • Frequently Asked Questions
    • Annual Reports
    • Additional Resources
  • Pesticide
    • Program Information
    • Laws & Regulations
    • File a Complaint
    • Pesticide Applicators
    • Licensing & Certification
    • Businesses
    • Products & Devices
    • Special Programs
    • Pesticide Review Board
    • News & Updates
  • Seed
    • Program Information
    • Laws & Regulations
    • Noxious Weeds
    • Annual Reports
    • Labeling
    • Service Testing
    • Permitting & Compliance
    • News & Updates
  • Search
    • Main Website
    • Products and Licenses
    • Public Sample Results
    • Investigation Records