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Fall field work for canola growers
A long fall provides a few extra weeks to look back on the year that was — to reassess plant stands, fertilizer rates and disease levels. A long fall also…
Latest Issue | November 13 2024, Issue 27
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Issues of the week
Many canola growers harvested lower than expected yields in 2012. So what happened? Why did the canopy look good enough to yield much higher than it did? In many fields,… -
Factor: Hot and dry at flowering
July was very hot, which is bad news for a cool season crop like canola. When daytime highs reach 28-29 C or higher, pollen viability and length of flowering drop… -
Factor: Excess rain
Regular rains throughout central and west-central Saskatchewan in particular increased disease in canola. Fungicide to protect canola from sclerotinia stem rot was a worthwhile investment… -
Factor: Disease
Sclerotinia is no longer a regional issue. It doesn’t matter where you farm, your canola can get a costly sclerotinia infection if conditions are moist before, during and after flowering… -
Factor: Insects
We don’t exactly know why insects were more plentiful this year, but a mild winter and more canola than ever are likely factors. Achieving a plant stand in the range… -
Factor: Crop nutrition
If nutrient reserves were not utilized because of environmental extremes, where are these reserves? How big are they? Soil tests will help determine this carryover. Because some may be concentrated… -
Factor: Plant stand
Canola needed 10 plants per square foot to deal with everything that came along in 2012 and still come through with a decent yield. A stubble count this fall will… -
Issues of the week
High green seed counts have been reported in some fields. To restart the chlorophyll-clearing enzymes, canola seed needs to get back above 20% moisture. Reasonably warm temperatures, ideally at least…
