Characteristics of dust particles abraded from pesticide treated seeds: 1. Size distribution using different measuring techniques

Dieter Foqué, Ingrid Zwertvaegher, Wouter Devarrewaere, P. Verboven, David Nuyttens

    Onderzoeksoutput: Bijdrage aan tijdschriftA1: Web of Science-artikel

    Uittreksel

    BACKGROUND: Particle size is one of the most important properties affecting the driftability and behaviour of dust particles abraded from pesticide dressed seeds during sowing. Three particle sizing techniques were used determine the particle size distribution of dust abraded from seeds fromsix different species.
    RESULTS: Important differences in dust particle size distribution between species were observed with the finest dust for rapeseed and the coarsest dust for barley. Wet laser diffraction and sonic sieving particle size results correlated well while micro-CT is able to deliver three-dimensional information and additional physical particle properties (shape, porosity).
    CONCLUSION: All particle sizing techniques have their (dis)advantages and none of them is able to perfectly describe the real size distribution of non-spherical particles. The particle size information gathered can be used in dust drift prediction models, risk assessment tools and will help to better understand the dust drift phenomenon.
    TaalEngels
    TijdschriftPest Management Science
    Volume73
    Exemplaarnummer7
    Pagina's (van-tot)1310-1321
    ISSN1526-498X
    DOI's
    StatusGepubliceerd - 2017

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