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Snow in October is not usually a major problem for fall soil tests. Temperatures often improve before winter sets in for good, so sampling opportunities usually present themselves…
Nutrient management
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In preparation for next season, here are a few field and office jobs and WHEN to start them… -
For results to be as close as possible to the situation next spring, the ideal time to take fall samples is when soil temperatures drop below 10°C and as close to freeze-up as possible…
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Fall fertilizer is best applied as close to freeze up as possible to balance two objectives: (1) allow soil to seal over the band and (2) reduce losses due to high microbial activity in warm soils…
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Canola Watch had a question this week about light-coloured petals and what can cause them. The field in question had large unruly patches of light-coloured flowers, indicating it was likely related to soil. Sulphur deficiency seems the most obvious but other causes must be ruled out first… -
Before spending money on a treatment, growers will need to identify the cause. The Canola Diagnostic Tool can help you work through the possibilities. A few localized tests can also help with the diagnosis… -
By this stage of the season, flea beetle and cutworm risks are lower because crops are bigger and these two insects are in natural seasonal decline. Adult flea beetles have laid their eggs and are dying. Cutworms are pupating. We're now moving toward sweep net timing for lygus and cabbage seedpod weevil… -
Heat, drought, off-label herbicide applications, male sterility, insects, sulphur deficiency, boron deficiency… -
Rescue treatments for hail, excess moisture and other stress factors are rarely tested in broad scientific studies. Growers considering these treatments have to remember the decision comes down to "buyer beware"…
