Crop Nutrition

CSI supports clients in meeting crop nutrition laws and regulations in North America and Europe. Crop nutrition products includes organic and commercial fertilizers, liming materials, growing media, soil improvers, and plant biostimulants.

New regulations and guidelines are under review in both the US and the EU. Regulatory strategies are constantly changing and growing around the world, and CSI takes pride in staying current on changes and new laws and regulations.

Biostimulants are a growing and important component of crop nutrition throughout the world. To keep informed on changes in the biostimulant landscape, we are a member company of the Biological Products Industry Alliance (BPIA). We also work closely with other biological products companies to support registration of plant biostimulants.

Experienced Support For:

  • Global Regulatory Strategy
  • Dossier Preparation & Submission
  • Regulatory Agency Liaison
  • Human Health & Environmental Risk Assessment
  • Endangered Species Strategy & Risk Assessment
  • Task Force Representation & Administration
  • Applied Economic Support

EPA Regulatory Affairs

  • Regulatory strategies for biostimulants including application for a non-FIFRA regulated determination (M009)

State Registration Management

  • First-time registration, renewal, and fee payment support approvals in all US state and territories where licensing and/or registration is required for fertilizers, soil amendments, and plant amendments

Global Regulatory Strategy

  • Identification of required studies to support registration intent, data gap analysis
  • Placement and monitoring of tests at contract research organizations, review and interpretation of study results, assurance of compliance with GLP standards
  • Preparation of data waivers
  • OECD format dossiers
  • Litigation support including data compensation evaluations, intellectual property assessment, scientific case preparation, and expert witness testimony

Environmental Fate & Ecotoxicology Data Review

  • Soil, water, sediment, and air DT50 values
  • Adsorption/desorption and leaching potential
  • Non-target organism toxicity endpoints and no observed effect concentrations (NOECs)

Applied Economics Support

  • Extensive experience in production agriculture, economics, and conservation
  • Conduct economic impact analysis and develop benefit assessments


Data Systems & GIS

  • Gather, manage, and analyze data to apply the “where” to projects
  • Integrate a variety of data into projects including land use, land cover, infrastructure, topography, elevation, and climate attributes
  • Organize layers of information into illustrations using maps, both 2D and 3D
  • Assess data for explanatory patterns and relationships

Starting in July, 2022, the fertiliser industry in the EU must comply with the Fertilising Products Regulation (EU) 1009/2019 Regulation, which repeals (EC) No 2003/2003 by 2022.

Industry Note:


Crop Nutrition Contacts

Jeff Wirtz's Picture

Jeff Wirtz

Senior Consultant

Washington State

Jeremy Wilson's Picture

Jeremy Wilson

Business Development


Warren Scott's Picture

Warren Scott

Principal Consultant


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Jeff Wirtz
Senior Consultant

Expertise: Ecotoxicology & GLP Compliance

Supports ecological risk assessments and USEPA and state registrations. Lead Quality Assurance Officer.

Jeff has over 20 years of experience in environmental toxicology and ecological risk assessment within the environmental science industry for both CSI and Parametrix. His experience includes field sample collection, data analysis, and data quality evaluation. He has prepared risk assessments and ecological reports for a variety of US and international clients examining terrestrial and aquatic effects for product and site assessments. In addition to his scientific background, Jeff has served as a Quality Assurance Officer with specialties in EPA, FDA, and OECD Good Laboratory Practice (GLP) standards and their application.

BA, Biology and German, Grinnell College.
MS, Land Resources, University of Wisconsin-Madison.

Jeremy Wilson
Business Development

Expertise: Business Development & Marketing

Jeremy leads marketing and business development efforts in North America and Latin America. He represents CSI at various industry trade associations and professional societies.

Jeremy has over 23 years of experience in regulatory affairs and product registration compliance with Federal, State, and International chemical regulations. His experience includes government agency interactions and determination of appropriate regulatory pathways to meet product registration objectives. He has prepared numerous registration submissions, placed and monitored necessary Good Laboratory Practice (GLP) studies to develop data and documentation, and served as the primary agency liaison for the registration process. Jeremy has expertise with biorational/biopesticide registration and Latin America regulatory requirements.

BS, Environmental Science; Minor in Biology, Washington State University.

Warren Scott
Principal Business Development Consultant

Expertise: Business Development & Regulatory Consulting

Warren shares a direct consulting role for Industrial Chemicals (REACH), Biocides and Cosmetics, with a Business Development remit for CSI’s European office.

Warren has over 30 years’ experience in laboratory contract research, business development for contract research organizations, and the consulting sector. His experience encompasses projects in various business sectors including plant protection, chemical, biocidal and cosmetic products. Warren qualified as a Soil Scientist and prior to joining CSI held scientific and business development positions at Inveresk Research and Wildlife International.

BSc (Hons) Soil Science, University of Aberdeen.