Ontario Grain Farmer September 2025

ONTARIO GRAIN FARMER AGRONOMY 29 Learn more at ontariosoilcrop.org Is it time to refresh your farm plan? The 5th edition of the Environmental Farm Plan reflects the current industry priorities and agricultural best practices to help you achieve your farm business goals. Introducing the 5th edition of the EFP REDUCING THE RISK The best way to prevent treated seed contamination is to use separate equipment for handling treated seed and delivery, says Laura Ferrier, Grain Farmers of Ontario’s agronomist. This includes augers. “Label any equipment used for treated seed, and keep records of what equipment you’ve used,” she says. “And make sure the farm staff know which equipment is to be used and for what purpose.” Ferrier recognizes that keeping separate equipment for both treated and untreated seed isn’t always possible, so she makes the following recommendations for preventing contamination: • Flush augers as soon as treated seed handling is complete, with a minimum of 50 kilograms of manufacturer-recommended flush material. • Thoroughly sweep and/or vacuum all surfaces and accessible crevices. • Disassemble all areas where seeds could get jammed (racks, tarps, etc.). • Always wear appropriate personal protective equipment (PPE), such as a dust mask, to reduce exposure. Consult the seed tag or seed treatment product label for PPE requirements. • Use compressed air to blow out any particles. • Pressure wash all surfaces and inspect surfaces after washing. • Clean equipment away from pollinator habitats and water sources. The CGC further recommends that farmers ensure they clean up and dispose of any spills or leftover seed according to provincial or municipal regulations. BOTTOM LINE “Everyone has a role to play in keeping the food and feed supply chain safe,” says Vermey. “It all starts on the farm, and it’s critical that farmers are vigilant and implement procedures that keep treated seed out of grain deliveries.” MORE INFORMATION: Canadian Grain Commission Grain Farmers of Ontario Factsheet

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