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 537987
Title Driftreductie Munckhof MAS 3 rijen boomgaardspuit : effect van VARIMAS variabele luchtondersteuning en Randrijen instelling
Author(s) Stallinga, H.; Velde, P. van; Michielsen, J.M.G.P.; Wenneker, M.; Zande, J.C. van de
Source Wageningen : Stichting Wageningen Research, Busines Unit Agrosystems (Rapport WPR 759) - 37
Department(s) PPO/PRI AGRO Field Technology Innovations
WPR AGV Team Fruit-BomenOT Team Fruit-Bomen
Publication type Research report
Publication year 2018
Abstract Results of spray drift experiments are presented of the Munckhof MAS 3-row orchard sprayer in comparison with a reference spray technique for fruit crop spraying in The Netherlands. The Munckhof MAS 3-row orchard sprayer was equipped with a 90% drift reducing nozzle (Albuz TVI8001; 7 bar spray pressure), low level of air assistance (400 rpm PTO) and the VARIMAS variable air system and an Edge-Row setting. During the spray drift experiments the downwind outside 24 m of an apple orchard was sprayed at the full leaf stage (BBCH 91/92) using the fluorescent tracer Acid Yellow 250. Spray drift deposition was collected downwind of the sprayed orchard on a mowed grass area up to 25 m distance from the last tree row. Airborne spray drift was measured at 7.5 m distance from the last tree row on a pole at which two lines with collectors were attached at 1 m spacing up to 10 m height. The spray drift experiments showed that spraying an apple orchard at the full leaf stage
(BBCH 91/92) with a Munckhof MAS 3-row orchard sprayer equipped with 90% drift reducing Albuz TVI8001 nozzles (7 bar), low level of air assistance (400 rpm PTO) and VARIMAS-system (last tree row sprayed from both sides) spray drift reduction at 4.5-5.5 m distance from the last tree row was 98.9% in comparison with the reference spray application. Using the VARIMAS-system with EdgeRow-setting the spray drift reduction was 99.5%. Airborne spray drift
reduction at 7.5 m distance from the last tree row averaged over 10 m height was for the Munckhof MAS 3-row orchard sprayer equipped with 90% drift reducing Albuz TVI8001 nozzles (7 bar), low level of air assistance (400 rpm PTO) and VARIMAS-system 98.8% and for the VARIMAS-system with EdgeRow
-setting 98.6%.
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