Crop Report – August 18, 2021

Figure 3. SDS leaf symptoms (left) and stem (right)

Tar spot in corn was first identified last year in Ontario on September 21, 2020 and confirmed to overwinter in Ontario on July 2, 2021 in West Elgin. Since then, tar spot has been also detected in Essex, Chatham-Kent, Lambton, Middlesex and Norfolk counties as of July 18, 2021 (Figure 1). This was anticipated since […]

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Crop Report – August 11, 2021

Figure 3. Soil failure pattern created by a winged tine. Note the vertical fissures. (From Godwin and Spoor, 2015, after Spoor, 2006)

Successful Subsoiling?               In many fields, the month of August means the end of cereal harvest and the beginning of a window of opportunity. In many ways, this is the best time of the season for soil improvements beyond what small grains already provide. Applying manure, seeding cover crops, […]

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Crop Report – August 4, 2021

Figure 3. Viable seed produced by purple-top turnip that survived burndown prior to corn planting in 2021.

Cover Crops for Weed Management It’s the time of year when Ontario farmers are turning their attention to seeding cover crops following cereal harvest. Each grower has their own reasons for growing a cover crop – whether it’s to improve organic matter, hold onto nutrients from manure, provide a nitrogen credit or protect against erosion. […]

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Crop Report – July 21, 2021

Figure 1. Manure applied 1 week ahead of cover crop seeding - growth 3 weeks after seeding.

Revitalizing Soil with Manure and Cover Crops After Wheat Harvest Wheat in a crop rotation provides many benefits, including spreading weather risks that can impact yields and balancing workload more evenly between planting and harvest season. Wheat also provides the opportunity to revitalize the soil; to disrupt pest cycles; alleviate compaction and increase subsequent corn […]

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Crop Report – July 14, 2021

There are mixed reports on the health of dry beans in Ontario this season. While many fields look good, rains following the initially dry conditions at planting have increased the incidence of root rots as well as the risk of white mould.   Root Rot In Ontario, the four main fungal pathogens causing root rot […]

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