Drift of 10 herbicides after tractor spray application. 2. Primary drift (droplet drift)

Carlsen, S.C.K.; Spliid, Niels Henrik; Svensmark, Bo

doi:10.1016/j.chemosphere.2005.10.060

Cited by 110 publications

(80 citation statements)

References 13 publications

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“…Sjaelland, which showed statistically significant losses of metamitron due to primary (droplet) and 423 secondary drift (evaporation) (Carlsen et al, 2006a;Carlsen et al, 2006b). 424…”

mentioning

confidence: 99%

Sources, occurrence and predicted aquatic impact of legacy and contemporary pesticides in streams

McKnight

Rasmussen

Kronvang

et al. 2015

Environmental Pollution

147

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11We couple current findings of pesticides in surface and groundwater to the history of pesticide usage, 12 focusing on the potential contribution of legacy pesticides to the predicted ecotoxicological impact on 13 benthic macroinvertebrates in headwater streams. Results suggest that groundwater, in addition to 14 precipitation and surface runoff, is an important source of pesticides (particularly legacy herbicides) 15 entering surface water. In addition to current-use active ingredients, legacy pesticides, metabolites and 16 impurities are important for explaining the estimated total toxicity attributable to pesticides. Sediment-17 bound insecticides were identified as the primary source for predicted ecotoxicity. Our results support 18 recent studies indicating that highly sorbing chemicals contribute and even drive impacts on aquatic 19 ecosystems. They further indicate that groundwater contaminated by legacy and contemporary 20 pesticides may impact adjoining streams. Stream observations of soluble and sediment-bound 21 pesticides are valuable for understanding the long-term fate of pesticides in aquifers, and should be 22 included in stream monitoring programs. 23Capsule: Legacy pesticides, particularly sediment-bound insecticides were identified as the primary 24 source for predicted ecotoxicity impacting benthic macroinvertebrates in headwater streams. 25 2

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“…Sjaelland, which showed statistically significant losses of metamitron due to primary (droplet) and 423 secondary drift (evaporation) (Carlsen et al, 2006a;Carlsen et al, 2006b). 424…”

mentioning

confidence: 99%

Sources, occurrence and predicted aquatic impact of legacy and contemporary pesticides in streams

McKnight

Rasmussen

Kronvang

et al. 2015

Environmental Pollution

147

View full text Add to dashboard Cite

show abstract

“…Bueno et al (2016) and Carlsen et al (2006) evaluated pesticide drift from a boom sprayer with flat-fan and low-drift nozzles in field experiments and observed that the deposits declined exponentially as the distance from the sprayed area increased, as observed in this study. It shows that drift measured in wind tunnels and in the fields has similar behavior.…”

Section: Resultssupporting

confidence: 74%

“…No general agreement exists among researchers on whether or not buffer zones will offer enough protection to surrounding areas (CARLSEN et al, 2006). Snoo and Wit (1998) stated that a zone of 5 to 10 m wide reduces drift considerably.…”

Section: Introductionmentioning

confidence: 99%

Dicamba drift as affected by nozzle type, wind speed and spray composition

Alves¹

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“…Most studies have only included one run by the tractor, i.e., no integration of the total drift from spraying an entire field. The main conclusion from these measurements was that most of the pesticide is deposited within the nearest 5 m. 1,[7][8][9] The few studies that have compared cumulative deposition from one and ten runs show that integration of contributions from ten swaths increases spray drift with a factor of 3-10 for horizontal deposition measures. [10][11][12] The accumulated deposition at a specific position downwind was calculated from the measured deposition from a single swath at varying distances from the sprayer.…”

Section: Introductionmentioning

confidence: 99%

Pesticide drift deposition in hedgerows from multiple spray swaths

et al. 2014

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A series of spray experiments was conducted in order to determine deposition at different heights of the hedgerow and to estimate the effect of unsprayed buffer zones on spray deposition. Deposition varied highly with distance, absolute humidity, height, droplet size distribution and wind speed. Eighty-two percent of the observed variation could be accounted for by these factors. Droplet size distribution depended on nozzle type and working pressure, which confirms the potential of these factors for reducing spray drift. Unsprayed buffer zones reduced deposition in hedgerows, but the effect was more pronounced in the lower parts, where a reduction of 72% was obtained by introducing a 12 m buffer zone, whereas at 4 m height the reduction was less than 1%. Therefore, deposition at different heights of the hedgerow should be included in order to make risk assessments relevant for organisms exploiting different parts of the hedgerow.

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Drift of 10 herbicides after tractor spray application. 2. Primary drift (droplet drift)

Cited by 110 publications

References 13 publications

Sources, occurrence and predicted aquatic impact of legacy and contemporary pesticides in streams

Sources, occurrence and predicted aquatic impact of legacy and contemporary pesticides in streams

Dicamba drift as affected by nozzle type, wind speed and spray composition

Pesticide drift deposition in hedgerows from multiple spray swaths

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