Field and Greenhouse Production

greenhouse irrigation fieldFruits and vegetables can become contaminated any time between planting and harvest.

Pathogens or other contaminants may come from:

  • The soil​
  •  Fertilizers and other amendments such as manure or compost applied to the soil or plants
  • Animals (both domestic and wild)
  • Water used for irrigation, agricultural sprays, or frost protection
  • Production equipment
  • Improperly applied pesticides

Broken glass and other physical hazards can also make produce unsafe to eat.

The resources below provide a detailed look at each of these concerns. Use the information to learn about the risks, assess an operation, and identify changes that will reduce risk.​



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Farm Food Safety Decision Tree ProjectLinkCornell
Food Safety Begins on the Farm A Grower Self Assessment of Food Safety Risks LinkCornell University
Kansas State Food-A-Syst: A Food Safety Risk Management Guide for the ProducerLinkKansas State University
collapse : : Animals ‎(6)
Wild Farm Alliance Food Safety ResourcesLinkWild Farm Alliance
CAFOs and Public Health, by P. Ebner, Purdue. ID-356pdfPurdue University
Certified Livestock Managers TraininglinkUniversity of Illinois
Confined Feeding Operations (CFOs/CAFOs)linkIndiana Department of Environmental Management
Illinois Small Farm Manure ManagementlinkUniversity of Illinois
Petting Zoo and On-farm PrecautionslinkPenn State University
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Session 1 from webinar "Planning for Success: Food Safety Plan Writing" - Good Agricultural Practices and Written Food Safety Plans - 2015pdfPurdue University
Session 2 from webinar "Planning for Success: Food Safety Plan Writing" - Written Food Safety Plans - Policies, Procedures, and Documentation - 2015pdfPurdue University
Session 3 from webinar "Planning for Success: Food Safety Plan Writing" - Food Safety Protocols - What's Out There - 2015pdfPurdue University
Session 4 from webinar "Planning for Success: Food Safety Plan Writing" - Templates and Other Resources for Food Safety Plan Writing - 2015pdfPurdue University
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Compost CentrallinkUniversity of Illinois
Composting Manure ReferencespdfUniversity of Illinois
Illinois Manure Management PlanlinkUniversity of Illinois
Manure CentrallinkUniversity of Illinois
NRCS Conservation Practice Standard 317pdfUSDA NRCS
On Farm Composting HandbookLinkUSDA NRAES
Purdue Extension Publications about manureLinkPurdue University
Solid Manure Staging (Indiana)pdfIndiana Department of Environmental Management
SWEETA – Swine WasteLinkUniversity of Illinois
A Plain English Guide to the EPA Part 503 Biosolids RuleLinkEPA
Composting Permits from Indiana CodeLinkIndiana Department of Environmental Management
Control of Pathogens and Vector Attraction Reduction in Sewage SludgeLInkEPA
Domestic Septage Regulatory Guidance - A Guide to the EPA 503 RulepdfEPA
Fate of enteroherorrhagic Escherichia coli O157:H7 in bovine fecesUniversity of Georgia
Fertilizer Applicator Certification Rule (Indiana)LinkIndiana State Chemist and Seed Commissioner
Land Application rules from Indiana Administrative CodepdfIndiana Department of Environmental Management
Manure and Biosolids: Regulation and ManagementpdfMontana State
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