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 450381
Title Spray drift of reducing nozzle types spraying a bare soil surface with a boom sprayer
Author(s) Zande, J.C. van de; Michielsen, J.G.P.; Stallinga, H.; Velde, P. van
Source In: International Advances in Pesticide Application, Oxford, UK. - Wellesbourne, Warwick CV35 9EF, UK : Association of Applied Biologists Warwick Enterprise Park - p. 245 - 254.
Event Wellesbourne, Warwick CV35 9EF, UK : Association of Applied Biologists Warwick Enterprise Park Aspects of Applied Biology 122, International Advances in Pesticide Application, Oxford, UK, 2014-01-08/2014-01-10
Department(s) PPO/PRI AGRO Field Technology Innovations
Publication type Contribution in proceedings
Publication year 2014
Abstract In the Netherlands spray drift reduction measures are obligatory when spraying alongside waterways. Drift Reducing Technology (DRT) is certified through standardised spray drift measurements in the field and by means of the classification of drift reducing nozzle types in the laboratory. Approved DRT and classified nozzles in the drift reduction classes 50%, 75%, 90% and 95% are officially published on a website. Since the introduction of the nozzle classification system in 1999, little measurements have been done with higher levels of drift reducing nozzles, and not at all with the recently developed nozzle types. Moreover the initial spray drift measurements in the field to calibrate the spray drift model IDEFICS were performed spraying a potato crop. Therefore a series of measurements was set up to validate the outcome of the spray drift model with field results of some ‘old and new’ nozzle types spraying a bare soil surface with a boom sprayer. Results are presented for spray drift deposition next to the sprayed swath on bare soil surface and for airborne spray drift measured at 5 m and 10 m distance from the last nozzle up to 6 m height. A comparison is made with the outcome of the classification of the different nozzle types based on spray drift model calculations and the field measurements on bare soil surface. A comparison is also made with the results from the same nozzle types running over a standard drift test bench (ISO22369-3) which were measured under similar conditions in the field.
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