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Quantifying Airborne Spray Drift Using String Collectors
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AI
DOI：10.3390/agronomy13112738.png)
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Abstract
En 中文
Efficient collection of airborne spray is crucial to reduce environmental contamination and ensure effective pesticide application in agriculture. This study explored the efficacy of passive spray drift samplers, focusing on string collectors for capturing airborne spray droplets. String collectors were assessed in laboratory experiments using a spray drift tunnel. A notable average recovery rate of 82% was observed when string collectors were examined immediately after pesticide capture. Collection efficiency was found to increase with wind speed. Of all the string collectors, string #5, a yarn type, demonstrated consistent collection efficiency, meeting the criteria for passive samplers. This includes effective droplet capture at low wind speeds, a high recovery rate of 93.31%, and suitability for field experiments. Field evaluations further underlined the efficiency of string #5, showcasing its ability to capture spray drift across a wider area and varied heights with less effort and manpower compared to traditional nylon screens.
Keywords:
airborne pesticide spray
collection efficiency
recovery rate
string collectors
yarn strings
passive samplers
drift measurements
Journal
A
IF:
3.4
Papers:
1.7W
Citations:
5.0W
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