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Ontario Grain Farmer Magazine is the flagship publication of Grain Farmers of Ontario and a source of information for our province’s grain farmers. 

Grain Farmers of Ontario

Features

Managing Bt-resistant corn rootworm: Reset and don’t repeat

Agronomic information from Ontario's crop specialists

- Monitoring for adult CRW populations using sticky traps can help assess the risk of root injury to the following corn crop. Photo: OMAFA. Corn rootworm populations in 2025 were among the highest in decades, driven…
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