Wheat School – Pushing the Envelope on Nitrogen Application Rates in Ontario

The standard 90 pounds of nitrogen on wheat in Ontario just doesn’t cut it anymore. That’s according to OMAFRA Wheat Specialist Peter Johnson. Johnson noted that some of the top growers in Ontario are using anywhere from 130 to 150 lb of nitrogen applied to ground that doesn’t have residual nitrogen from a cover crop. Those are rates that Johnson says should have left those wheat crops flat on the ground. So why are those crops responding so well? In this episode of the Wheat School Peter Johnson explains why those crops responded like they did and why the envelope needs to be pushed in nitrogen application rates in wheat in Ontario.

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Philip Shaw

I have applied 120 lbs of N the last two years and have been very disappointed with 82 bushel yields. I’ve got over 100 bu/acre before with 90 lbs of N. However, I’ll keep trying. Sometimes I think this research does not apply to the deep SW of Ontario.


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