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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