Results 161 to 170 of about 54,865 (201)
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The measurement of spray drift
Pesticide Outlook, 2003Paul Miller from Silsoe Research Institute reviews the methods by which droplet drift can be measured, the factors that influence the levels of drift and the ways that data relating to the risk of drift can be used when selecting application systems.
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Drift of 10 herbicides after tractor spray application. 1. Secondary drift (evaporation)
Chemosphere, 2006In the present study the evaporation of 10 herbicides was investigated during five field experiments, and the amount deposited per surface area was quantified inside the field using simple passive dosimeters consisting of microscope slides placed on plastic lids. On an average basis 90% of the applied amount reached the field.
Carlsen, S. C. K. +2 more
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Spray drift review: The extent to which a formulation can contribute to spray drift reduction
Crop Protection, 2013Abstract Mitigation of risk arising from spray drift in Europe is achieved mostly by implementation of no-spray buffer zones and the use of approved drift-reducing techniques. Although physicochemical properties of spray solutions are known to influence spray drift, they are not yet incorporated into regulatory risk assessments at the European level.
Hilz, E., Vermeer, A.W.P.
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Atmospheric Environment, 2005
A routinely scheduled aerial organophosphorus pesticide application of methamidophos in central Washington State was monitoredin the summer of 2002. The sprayedpotato crop surround eda rural agricultural community where residences were within 200 meters of the sprayed fields.
M TSAI +6 more
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A routinely scheduled aerial organophosphorus pesticide application of methamidophos in central Washington State was monitoredin the summer of 2002. The sprayedpotato crop surround eda rural agricultural community where residences were within 200 meters of the sprayed fields.
M TSAI +6 more
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Glyphosate Spray Drift Management with Drift-Reducing Nozzles and Adjuvants
Weed Technology, 2006Field experiments were conducted to evaluate the effect of five spray-nozzle types and three drift-control adjuvants (DCA) on glyphosate spray drift. The extended-range (XR) flat-fan nozzle at 280 kPa was used as the standard comparison. DCAs were evaluated for drift reduction with the use of the XR and air-induction (AI) nozzles.
Adam K. Johnson +3 more
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EVALUATION OF SAMPLERS FOR SPRAY DRIFT
Transactions of the ASAE, 1998Collection of airborne spray drift of malathion released from a ground-driven boom sprayer was investigated using six types of samplers: (1) horizontal alpha cellulose fallout sheets; (2) high-volume air samplers; (3) sampling trains of rotary disk impactor and two bubblers (RDI); (4) rotating rod samplers; (5) vertical string samplers; and (6 ...
null Q. D. Bui +4 more
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Evaluation of Spray Drift from Backpack and UTV Spraying
Transactions of the ASABE, 2017The objective of these tests was to evaluate pesticide drift from ground applications using a standard manual pump backpack sprayer and a UTV-mounted boomless sprayer. Three deposition sampler types were deployed: Mylar cards, water-sensitive papers, and artificial foliage.
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Spray Mix Adjuvants for Spray Drift Mitigation - Progress Report
2003, Las Vegas, NV July 27-30, 2003, 2003Numerous drift reduction adjuvants and spray deposition aids are available to applicators of crop production and protection chemicals. Performance of many of the newly introduced drift control adjuvants has not been well documented for aerial application.
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1996
The effect of nine spray-boom shield designs on spray drift is presented. Standard flat-fan nozzles and "low-drift" nozzles were used. Results are based on experiments conducted in a wind tunnel, and computer simulations. Performance of all experimental shields was evaluated under two spray pressures and two air flow rates. All nine shields effectively
Ozkan, H.E. +5 more
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The effect of nine spray-boom shield designs on spray drift is presented. Standard flat-fan nozzles and "low-drift" nozzles were used. Results are based on experiments conducted in a wind tunnel, and computer simulations. Performance of all experimental shields was evaluated under two spray pressures and two air flow rates. All nine shields effectively
Ozkan, H.E. +5 more
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Integrative oncology: Addressing the global challenges of cancer prevention and treatment
Ca-A Cancer Journal for Clinicians, 2022Jun J Mao,, Msce +2 more
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