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Tom Robinson, Syngenta EU Stakeholder Workshop, 26 April 2012, Brussels

Picture: DLR Rheinland-Pfalz. Tom Robinson, Syngenta EU Stakeholder Workshop, 26 April 2012, Brussels. Introduction of Best Management Practices (BMPs): Spray drift prevention and mitigation.

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Tom Robinson, Syngenta EU Stakeholder Workshop, 26 April 2012, Brussels

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  1. Picture: DLR Rheinland-Pfalz Tom Robinson, Syngenta EU Stakeholder Workshop, 26 April 2012, Brussels Introduction of Best Management Practices (BMPs): Spray drift prevention and mitigation

  2. Spray drift :„Quantity of plant protection product that is carried out of the sprayed (treated) area by the action of air currents during the application process” (ISO 22866)

  3. Standard Fan Jet at 3 Bar

  4. Best Management Practice Mitigation measures follow risk diagnosis • Drift risk diagnosis • Distance to non target areas • Weather conditions • Crop type / stage • Application technique • Drift mitigation • Weather forecast • Spray risky areas only when weather conditions favourable • reduce fine droplets • adapt / adjust sprayer Selection of suitable measures… … to balance needs for Efficacy + Productivity and Social + Environmental sustainability

  5. Best Management Practice Key mitigation options for spray drift Indirect Direct USE OF DRIFT REDUCING TECHNIQUES PROTECTION OF SENSITIVE AREAS APPROPRIATE SPRAYER ADJUSTMENT ADOPTION OF BUFFER ZONES Deiafa, Univ. Turin; TOPPS-prowadis

  6. Recommendations on mitigation measures focus on key areas (1) • Environmental factors • Distance to sensitive areas • Crop type / stage • Topography of field • Buffer strips / hedges • Hailnets • Weather conditions • Weather forecast • Wind speed / direction • Humidity / Temperature • Observation of weather parameters • Reference to label

  7. Recommendations on mitigation measures focus on key areas (2) • Spray generation • Droplet spectrum – reduce fines (Antidrift technology (SDRT) • Dispersion technologies and modification • Sprayer equipment • SDRT technologies • Sprayer inspection • Compliance to standard • Certification

  8. Recommendations on mitigation measures focus on key areas (3) • Sprayer adjustment • Calibration of sprayer / ease to modify adjustments • Reduction / optimization of spray distance to the target • Modification / direction of air support • Sprayer operation • Respect non spray zones / buffers • Adjust sprayer speed • Adjust boom heights • Use SDRT technology

  9. Common Practice - Spray Drift at 80cm

  10. Spray Drift at 50 cm (BMP Nozzle Height) +0.5 tonne/ha Wild Oat Control

  11. Standard Fan Jet 14 km/h,v. BMP Nozzle Choice + 0.3 tonne/ha

  12. Drift hasbeenintensivelyresearched in the last years in some European countries • Variability and availability of recommendations to reduce drift vary strongly among EU member states (harmonisation is low). • Implementation of drift reducing technologies varies strongly (Antidrift nozzles use varies from 85% to 0%) • We will focus the discusion on BMP measures on the level of what to do – which we consider the European core

  13. Best Management Practice for Spray Drift Mitigation • helps stakeholders to understand the issues • creates awareness to change behaviour and techniques • recommends practical solutions • contributes to the safe use of pesticides with respect to sensitive/non target areas Thank you for your attention!

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