When to spray weeds after a frost? How to reduce drift in windier conditions? And more…
Weeds
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Respirators for pesticide applicators are NIOSH/MSHA/BHSE approved organic-vapour-removing cartridge with a pre-filter approved for pesticides or a NIOSH/MSHA/BHSE approved canister for pesticides…
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Weeds that emerge before the crop will out-compete the crop for moisture, nutrients and sunlight. That is why just a small number of weeds – even just a few per square foot – emerging before or with the crop can be much more damaging to yield potential than a larger number of weeds flushing later… -
Ian Epp and Clark Brenzil compare pre-seed burnoff and early post-emergence applications, and make a good case for spraying first and then seeding… -
Clean lines, nozzles and screens to prepare the sprayer for a busy few weeks of early weed control…
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Recent wet and dry cycles have increased topsoil salinity in many parts of the Prairies over the past few years. “Salinity is not a salt problem, it’s a water problem,” says Marla Riekman, soil management specialist with Manitoba Agriculture and Resource Development. “Wet years bring the water table closer to the roots, and salinity wicks up to the soil surface.”… -
Simple but effective... Tank mixes are recommended to control canola volunteers and glyphosate-resistant kochia, and to protect the long-term viability of glyphosate…
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The snow layer is likely to insulate the weed leaf material from the colder conditions that follow it. That could mean you’re back spraying earlier than you would be with frost alone… -
The general advice is to leave them. As annuals, frost and winter will kill off most of them, and any money spent trying to control these volunteers would be wasted. Possible exceptions that may change your approach…
