Harvest and Storage

  • Questions about handling high-moisture canola

    Harvest and Storage

    What moisture level is too high to combine canola?
    How to prepare to handle high-moisture canola?
    How long can you store damp canola (>12.5% moisture)?
    How to reduce storage risk for high-moisture canola?
    How to add supplemental heat?
    How to estimate airflow rate (cfm/bu) through a bin?

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  • Delayed harvest and residue management

    Harvest and Storage

    Getting crop in the bin is a bigger issue than residue management right now. Residue will be a factor in harvest because standing canola downed by snow will have to be combined close to the ground. That means more residue to churn through the combine and less residue to hold snow. Tough residue won’t chop and spread that well either. But that’s just the way it is. Deal with residue later.

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  • Tips for drying tough and damp canola

    Harvest and Storage

    With prospects for a lot of tough canola coming off once harvest picks up again, farmers will want a plan for how they’ll handle it. When adding heat to an aeration system, the general recommendation for this method is to increase air temperature to no more than 15-20°C. PAMI storage researcher Joy Agnew notes: “Hotter is NOT always better when using natural air drying with heat. You must match heat addition with your fan capacity. The more cubic feet per minute the fan blows, the more heat you can add.”

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  • Swath timing considerations for mid September

    Harvest and Storage

    The ideal swath timing for top yield is when average seed colour change across the field is at least 60% on the main stem. But canola growers may want to reassess that approach based on the following considerations.

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  • When is canola “ready” to straight combine?

    Harvest and Storage

    How many days delayed am I going to be with straight combining versus swathing? It depends on your expectation of “ready”.

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  • Swath later for a big boost in yield

    Harvest and Storage

    Canola fields swathed at 60% seed colour change (SCC) on the main stem can yield 8% more than fields swathed at 30% SCC. That’s according to Canola Council of Canada research from the early 2000s. The yield difference could be even higher with lower plant populations because with fewer larger plants more of the yield will be in the side branches.

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  • Scouting and field survey tasks for this week

    Harvest and Storage

    Pre-harvest scouting is a great opportunity to identify late-season insect threats, disease outbreaks and severity and weed escapes. While in the field, you can assess crop stage and harvest timing, and do an end-of-season plant count. Here are a few specifics to look for….

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  • Harvest timing for an uneven field

    Harvest and Storage

    Canola fields with large areas at different stages lead farmers to ask the inevitable harvest timing questions: When do I swath? Should I leave it standing for straight combining?

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  • Early, hot swathing can increase green counts

    Harvest and Storage

    The combination of swathing canola too early and swathing during a stretch of hot weather can lead to rapid curing that elevates harvest green counts.

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  • Late-season hail: Yield and disease risk

    Harvest and Storage

    The later hail occurs in the season, the more damage it can do to yield. Crops not mowed down by hail can see some yield recovery.

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