Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 561068
Title Spray drift for the assessment of exposure of aquatic organisms to plant protection products in the Netherlands : Part 2: Sideways and upward sprayed fruit and tree crops
Author(s) Zande, J.C. van de; Holterman, H.J.; Huijsmans, J.F.M.; Wenneker, M.
Source Wageningen : Stichting Wageningen Research, Wageningen Plant Research, Business Unit Agrosystems Research (Report / Stichting Wageningen Research, Wageningen Plant Research, Business Unit Agrosystems Research WPR-564) - 85
Department(s) Agro Field Technology Innovations
OT Team Fruit-Bomen
Publication type Research report
Publication year 2019
Abstract As part of the Dutch authorisation procedure for pesticides an assessment of the effects on aquatic organisms in surface water adjacent to agricultural fields is required. This in turn requires an exposure assessment for these surface waters. So far, in the current Dutch authorisation procedure spray drift is the only source of exposure. For this reason, a new exposure scenario was developed, which includes also input by drainage and atmospheric deposition. The endpoint of the exposure assessment is the 90th percentile of the annual maximum concentration in all field ditches alongside fruit and avenue nursery-tree fields. In this report, the state-of-the-art of the spray drift data is described for orchard spraying and avenuenursery-tree spraying. The methodology of using a matrix structure is discussed for the assessment of spray drift deposition combining classes of Drift Reducing Technology (DRT) and width of crop free zones for sideways and upward sprayed crops (fruit crops and avenue nursery-trees). Key words: spray drift, air -blast sprayer, Drift Reduction Technology, ISO22866, surface water, crop free zone, orchard spraying, avenue nursery tree spraying.
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