Straight combining

  • Frost on canola left for straight combining

    Straight combining

    Frost provides some natural desiccation that may help dry weeds and green stems in fields left for straight combining. Some growers actually wait for frost before combining, using it as a tool to aid in crop dry down — but this may not be advised if the field is ready and no frost is forecast.

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  • Rain delays harvest: What to do?

    Straight combining

    Harvest delays due to soggy soils, frequent rains and even mist have canola growers wondering about risk to the crop and what, if anything, they can do reduce these risks. Really, the only approach is to wait out the weather. When fields are able to support the swather, decide then whether the staging suits swathing or straight combining. This article answers these and other questions: What is the “point of no return” for swath timing? Will canola seeds sprout with all the rain? How much does cool, wet weather extend curing time?

    Questions that arise with long rain delays:

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  • Pre-harvest herbicide timing for straight combining

    Straight combining

    Glyphosate: Apply when the majority of seeds are yellow to brown in colour and “average” seed moisture had dried down to less than 30%.
    Heat plus glyphosate: Apply at 70% or more seed colour change.
    Reglone: Apply at 80-90% seed colour change.

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  • Top 10 situations that increase straight-cut risk

    Straight combining

    Standing canola not harvested in a timely fashion can shell out.

    Most canola growers are familiar with straight combining, even if most have not tried it yet. New varieties with pod shatter resistance have helped with the overall comfort level for the practice. This article looks at situations where swathing may still have an advantage over straight combining.

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  • Straight combining canola — Success factors

    Straight combining

    Here are factors that create the ideal situation for straight combining canola….

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  • Late swathing or straight combining?

    Straight combining

    If canola is to be swathed later than optimal (with earliest pods shattering), cut in moist conditions (rain or heavy dew) to limit shattering as much as possible.

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  • Pre-harvest products for use in canola

    Straight combining

    Glyphosate is registered for pre-harvest perennial weed control in canola. Glyphosate is to be applied when the majority of seeds are yellow to brown in colour and seed moisture is less than 30%. Heat fits between glyphosate and Reglone on the speed of dry down spectrum. Reglone is a contact herbicide (only kills what it contacts) and is registered in canola to dry immature green material to facilitate harvest. Reglone shuts the plant down quickly and basically STOPS it from maturing, which can lock in high green seed levels if applied prematurely.

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  • Harvest planning: Swath timing and straight cutting

    Straight combining

    Seeds in this pod would be counted as colour changed.

    Some of the earliest canola fields will show seed colour change over the next two weeks. For those growers, we provide this short primer on swath timing and straight combining.

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  • Top 10 situations that increase straight cut risk

    Straight combining

    Many growers who have tried straight combining canola often see no clear advantage or disadvantage when it comes to yield. The value of eliminating the swathing step is enough for many, even if it means an added step to apply a harvest aid such as glyphosate, Heat or Reglone. This article looks at situations where swathing may still have an advantage over straight combining.

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  • Swath or straight cut lodged crop?

    Straight combining

    Lodged canola.

    Whatever the cause for lodging — wind, rain, late-season hail — the crop will present a harvest challenge. Swathing low to the ground doesn’t leave much stubble to hold the swaths in a wind. Swathing lodged crop often leaves a lot of bunches in the windrow. And lodged crop may need to be swathed in the same direction. Neither of these scenarios is ideal.

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