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Field Crop News is a resource for Ontario field crop production. It is managed by the Field Crop Unit of the Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA). Browse our library of information by:

  • Blister Beetles

    Blister Beetles

    Description Blister beetles are very rare in Ontario but have been occasionally found in alfalfa fields north of Lake Erie. They are more common in arid climates, such as the U.S. Midwest, and are often associated with grasshopper infestations. The three most common species are the black blister beetle (Epicauta pensylvanica), the ash grey blister […]

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  • Maximizing Nitrogen from Manure for Corn

    Maximizing Nitrogen from Manure for Corn

    Nitrogen (N) dynamics are always complicated, but manure adds a few layers of complexity. Nitrogen availability is impacted by soil texture, soil moisture, organic matter levels in the soil, form of N applied and of course, the weather. An application of liquid finisher hog manure applied ahead of planting would be expected to provide about […]

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  • June 22 Winchester/Cobourg Breakfast Minutes

    June 22 Winchester/Cobourg Breakfast Minutes

    Conditions  Regions of Eastern Ontario saw heavy rainfall throughout the evening of June 21. Reports of anywhere from half an inch (15 mm) in the Eastern Lanark area to close to 5” (127 mm) of rain in parts of Renfrew were the kickoff to the last breakfast meeting for the region for the 2022 growing […]

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  • Maximizing Nitrogen from Manure for Corn

    Maximizing Nitrogen from Manure for Corn

    Nitrogen (N) dynamics are always complicated, but manure adds a few layers of complexity. Nitrogen availability is impacted by soil texture, soil moisture, organic matter levels in the soil, form of N applied and of course, the weather. An application of liquid finisher hog manure applied ahead of planting would be expected to provide about […]

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  • On-off grazing

    On-off grazing

    On-off grazing is a management technique to minimize damage while grazing wet pastures. It is an alternative to using a sacrifice paddock. Livestock do the least amount of pugging damage to a field when they are actively grazing. It is other activities, such as visiting the water trough or mineral source, lying down, or socializing […]

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  • Optimizing the performance of glyphosate in field crops

    Optimizing the performance of glyphosate in field crops

    Reduced supply and increased costs of glyphosate have prompted many to reevaluate how they use this herbicide. The following three questions are most common: […]

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  • Should I apply foliar boron to flowering canola?

    Should I apply foliar boron to flowering canola?

    Many Ontario canola producers tank mix boron with a preventative white mould fungicide and apply it at 20-50% bloom. We took a closer look at whether foliar boron reduces flower abortion or improves yield. […]

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  • How do I control bluegrass in winter wheat?

    How do I control bluegrass in winter wheat?

    Bluegrass competition in winter wheat can result in yield losses of up to 50%. We reviewed current research to provide recommendations for reliable control of annual and roughstalk bluegrass in Ontario. […]

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  • Should I split apply nitrogen in winter wheat?

    Should I split apply nitrogen in winter wheat?

    Depending on the year and field conditions, you might get a yield bump from a split application of nitrogen (N) on your winter wheat crop. We’ve looked at a few different factors that might impact your N application decision. […]

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