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Sammanfattning

Spray drift of glyphosate has the potential to affect non-target vegetation and surface waters close to the application area. To assess the likelihood of such impact along Swedish railways, four field experiments were conducted at three railway sites during 2019 and 2020. An herbicide spraying train applied herbicide Roundup Ultra (glyphosate) at speeds of 33 to 48 km/h. Quantitative filter papers were placed at 0.5, 1, 1.5, 2, 3 and 5 m distances to capture spray droplets. Wind speeds were low (0–2 m/s), but were found to be representative of normal operating conditions. Spray deposition decreased rapidly with distance, declining from 1800 g a.e./ha to an average of 5 g/ha within 1 m. Predicted 90th percentile drift rates suggested potential impact on vegetation within distances

Nyckelord

Railways; Glyphosate; Spray-drift; Vegetation; Ditches

Publicerad i

Science of the Total Environment
2024, volym: 956, artikelnummer: 177208

SLU författare

Associerade SLU-program

SLU Nätverk växtskydd

Globala målen (SDG)

SDG15 Ekosystem och biologisk mångfald

UKÄ forskningsämne

Miljövetenskap

Publikationens identifierare

  • DOI: https://doi.org/10.1016/j.scitotenv.2024.177208

Permanent länk till denna sida (URI)

https://res.slu.se/id/publ/133170