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pesticide spray drift

Catalogue: GRDC 2014 Research Summaries
3) It is widely accepted that fungicide applications are generally most effective when applied with small-droplet technology, but such applications are also associated with the highest risk of spray drift... The project is about optimizing pesticide spray applications by: identifying spray technologies and spray settings with low risk of spray drift, applying pesticides in accordance with latest knowledge about pest behaviour in response to pesticides and minimizes the risk of target pests developing resistance, and by using pesticides with documented efficacy against target pests... A key nozzle technology on which we will focus is air-inducted nozzles and we will screen several popular ones first in the wind tunnel to select those that produce good control of droplet size with at least 20% air inclusions by volume...
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Catalogue: GRDC Media
Avoid spray drift by recognising unsafe conditions.. Spray consultant Bill Gordon, whose work is supported by the Grains Research and Development Corporation (GRDC), says surface temperature inversions commonly develop overnight, when the ground loses heat and the low-level air cools. ".. Meteorologist Graeme Tepper, of MicroMeteorology Research and Educational Services, said when surface inversions exist pesticides in the air can move long distances at high concentrations near the surface and adversely impact non-target receptors, often in directions and locations that could not be estimated from general weather patterns. "..
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Catalogue: GRDC Media
Recognition of conditions that lead to a surface temperature inversion is particularly important as the potential for spray drift is high when this occurs, according to industry authorities... Spray consultant Bill Gordon, whose work is supported by the Grains Research and Development Corporation (GRDC), says surface temperature inversions commonly develop overnight, when the ground loses heat and the low-level air cools. ".. Meteorologist Graeme Tepper, of MicroMeteorology Research and Educational Services, said when surface inversions exist pesticides in the air can move long distances at high concentrations near the surface and adversely impact non-target receptors, often in directions and locations that could not be estimated from general weather patterns. "..
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Catalogue: GRDC Research Summaries
The Services are to increase awareness by growers, advisers, machinery dealers and trainers (primary information providers) in the Northern and Southern grain growing regions of the factors that contribute to spray drift and the tools and techniques available to minimise the potential for spray drift to occur without significantly impacting on product efficacy by: 1) Developing and updating resources and training materials for spray drift management courses and to the GRDC to include the most current information available for spray..... Spray operators can obtain advice on minimising the risk of spray drift by consulting the Grains Research and Development Corporation (GRDC) Fact Sheet Practical tips to reduce spray drift... Resource can help growers plan for summer spraying..
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Catalogue: GRDC Research Summaries
The Services are to increase awareness by growers, advisers, machinery dealers and trainers (primary information providers) in the Northern and Southern grain growing regions of the factors that contribute to spray drift and the tools and techniques available to minimise the potential for spray drift to occur without significantly impacting on product efficacy by: 1) Developing and updating resources and training materials for spray drift management courses and to the GRDC to include the most current information available for spray..... Avoid spray drift by recognising unsafe conditions.. Recognition of conditions that lead to a surface temperature inversion is particularly important as the potential for spray drift is high when this occurs, according to industry authorities...
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