Dr

Andrew Hewitt

Email: 
Phone: 
0427 025354

Availability

Dr Andrew Hewitt is:
Available for supervision

Fields of research

Agriculture, land and farm management Commercial services Crop and pasture production

Qualifications

  • Bachelor (Honours) of Science (Advanced), University of Sheffield
  • Masters (Coursework) of Science, Cranfield Institute of Technology (Cranfield University)
  • Doctor of Philosophy, University College London

Search Professor Andrew Hewitt’s works on UQ eSpace

128 works between 1992 and 2025
All (128) Journal Article (80) Conference Publication (48)

121 - 128 of 128 works

1997

Journal Article

Droplet size and agricultural spraying, Part I: Atomization, spray transport, deposition, drift, and droplet size measurement techniques

Hewitt, Andrew (1997). Droplet size and agricultural spraying, Part I: Atomization, spray transport, deposition, drift, and droplet size measurement techniques. Atomization and Sprays, 7 (3), 235-244. doi: 10.1615/AtomizSpr.v7.i3.10

Droplet size and agricultural spraying, Part I: Atomization, spray transport, deposition, drift, and droplet size measurement techniques

1996

Conference Publication

Drift control polymers and formulation type affect volumetric droplet size spectra of propanil sprays

Apodaca, M. A., Sanderson, R., Huddleston, E. W., Clason, D. L., Hewitt, A. J., Ledson, T. M., Ross, J. B. and Ortiz, M. (1996). Drift control polymers and formulation type affect volumetric droplet size spectra of propanil sprays. Taylor and Francis Inc.. doi: 10.1080/03601239609373041

Drift control polymers and formulation type affect volumetric droplet size spectra of propanil sprays

1994

Journal Article

Comparison of the droplet size spectra produced by rotary atomizers and hydraulic nozzles under simulated aerial application conditions

Hewitt, A. J., Sanderson, R., Huddleston, E. W. and Robinson, A. G. (1994). Comparison of the droplet size spectra produced by rotary atomizers and hydraulic nozzles under simulated aerial application conditions. Journal of Environmental Science and Health, Part B, 29 (4), 647-660. doi: 10.1080/03601239409372898

Comparison of the droplet size spectra produced by rotary atomizers and hydraulic nozzles under simulated aerial application conditions

1994

Journal Article

Polymer and invert emulsifying oil effects upon droplet size spectra of sprays

Sanderson, R., Hewitt, A. J., Huddleston, E. W. and Ross, J. B. (1994). Polymer and invert emulsifying oil effects upon droplet size spectra of sprays. Journal of Environmental Science and Health, Part B, 29 (4), 815-829. doi: 10.1080/03601239409372905

Polymer and invert emulsifying oil effects upon droplet size spectra of sprays

1993

Conference Publication

Droplet size spectra of DipelTM sprayed through different atomizers

Sanderson, Robert, Hewitt, Andrew J., Huddleston, Ellis W., Devisetty, Bala N., Melchoir, Gary L. and Ross, James B. (1993). Droplet size spectra of DipelTM sprayed through different atomizers. Publ by ASTM.

Droplet size spectra of DipelTM sprayed through different atomizers

1993

Journal Article

Droplet distribution densities of a pyrethroid insecticide within grass and maize canopies for the control of Spodoptera exempta larvae

Hewitt, A. J. and Meganasa, T. (1993). Droplet distribution densities of a pyrethroid insecticide within grass and maize canopies for the control of Spodoptera exempta larvae. Crop Protection, 12 (1), 59-62. doi: 10.1016/0261-2194(93)90021-A

Droplet distribution densities of a pyrethroid insecticide within grass and maize canopies for the control of Spodoptera exempta larvae

1993

Journal Article

Droplet size spectra produced by air-assisted atomizers

Hewitt, A.J (1993). Droplet size spectra produced by air-assisted atomizers. Journal of Aerosol Science, 24 (2), 155-162. doi: 10.1016/0021-8502(93)90055-E

Droplet size spectra produced by air-assisted atomizers

1992

Journal Article

Droplet size spectra produced by the X15 stacked spinning-disc atomizer of the Ulvamast Mark II sprayer

Hewitt, A. J. (1992). Droplet size spectra produced by the X15 stacked spinning-disc atomizer of the Ulvamast Mark II sprayer. Crop Protection, 11 (3), 221-224. doi: 10.1016/0261-2194(92)90040-C

Droplet size spectra produced by the X15 stacked spinning-disc atomizer of the Ulvamast Mark II sprayer

Current funding

  • 2024 - 2025
    Research in UAV Optimization for Crop Protection (AutoSpray Pty Ltd administered Emerging Aviation Technology Partnership Program grant)
    AutoSpray Pty Ltd
    Open grant

Past funding

  • 2024 - 2025
    Spray patternation
    Aerial Application Association of Australia Ltd
    Open grant
  • 2024
    Wind tunnel studies on droplet size of tank mixes using laser diffraction
    CORTEVA AGRISCIENCE AUSTRALIA PTY LTD
    Open grant
  • 2024
    Drift Reduction with Adjuvants
    DKSH Agrisolutions Pty Ltd
    Open grant
  • 2024
    UAV spray drift
    Stone Environmental Inc
    Open grant
  • 2023 - 2024
    Saltspray
    University of Melbourne
    Open grant
  • 2022 - 2024
    Electrostatic charge effects on spray coverage and retention on capsicum pepper and tomato plants
    Agrichem - Liquid Fertiliser Pty Ltd
    Open grant
  • 2021 - 2024
    Developing an intelligent sprayer with lidar for the detection and automated application of basal bark, soil-applied and foliar-applied herbicides to Prickly Acacia
    Established Pest Animals and Weeds Management Pipeline Program - Advancing Pest Animal and Weed Control Solutions Competitive Grant Round
    Open grant
  • 2020 - 2024
    Formulation and Application Systems
    Agrichem - Liquid Fertiliser Pty Ltd
    Open grant
  • 2019 - 2020
    Understanding the value of Delta-T with for ground spray application with VC, XC & UC
    Grains Research & Development Corporation
    Open grant
  • 2019
    Overall drift and efficiency assessment for pesticide application water sources in the Macquarie Valley
    New South Wales Environmental Protection Authority
    Open grant
  • 2019 - 2020
    Validation of spray droplet movement under different surface air inversion conditions
    Grains Research & Development Corporation
    Open grant
  • 2018
    Maintaining the Productive Capacity of the Australian Forest Industry
    University of the Sunshine Coast
    Open grant
  • 2018 - 2019
    Forestry Aerial spray review for coastal regions
    Hancock Queensland Plantations
    Open grant
  • 2018
    Evaluation of pesticide tank mix impacts on nozzle spray quality
    Grains Research & Development Corporation
    Open grant
  • 2017 - 2018
    Project on cotton canopy penetration
    UniQuest Pty Ltd
    Open grant
  • 2017 - 2018
    Evaporator droplet size measurement and spray drift model
    UniQuest Pty Ltd
    Open grant
  • 2016 - 2020
    LiDAR and PACE for vineyards
    Australian Grape and Wine Authority
    Open grant
  • 2014 - 2016
    Options for Improved Insecticide and Fungicide Use and Canopy Penetration in Cereals and Canola
    University of Western Australia
    Open grant
  • 2013 - 2016
    Spray Application Management (DRT modelling, managing surface-temperature inversions and spray quality effects on herbicide efficacy)
    Grains Research & Development Corporation
    Open grant
  • 2013 - 2017
    A generic approach to improving spray coverage
    Grape & Wine Research & Development Corporation
    Open grant
  • 2012 - 2016
    Database to support the ground application of pesticides (boom sprayer), accommodating nozzles, formulations and adjuvants
    Plant Health Australia Limited
    Open grant
  • 2012
    Horticulture risk survey
    Horticulture Australia Limited
    Open grant
  • 2011 - 2015
    Core DRT database to support the ground application of pesticides (boom sprayer), accommodating nozzles, formulations and adjuvants
    Grains Research & Development Corporation
    Open grant
  • 2010 - 2012
    An interim model for buffer zone reduction in pesticide application from ground sprayers
    Grains Research & Development Corporation
    Open grant
  • 2008
    Phase Doppler particle analyser
    UQ Major Equipment and Infrastructure
    Open grant
  • 2007 - 2010
    Understanding the control of adult mosquitoes to reduce arbovirus transmission while minimising environmental and public health risk.
    ARC Linkage Projects
    Open grant
  • 2007
    Travel Grant - Dr Daniel Martin
    Cotton Catchment Communities CRC
    Open grant
  • 2007 - 2008
    Spray application technology research for forest protection.
    United States Department of Agriculture
    Open grant
  • 2006 - 2007
    Development of Risk Assessment and Modelling for Pesticide Drift Exposure
    UQ FirstLink Scheme
    Open grant
  • 2006
    Travel Grant - Field Study with USDA - Texas
    Cotton Research & Development Corporation
    Open grant
  • 2005 - 2006
    Development of Procedures for Aerosol Toxicological Exposure Assessments in a Controlled Environment Facility
    UQ New Staff Research Start-Up Fund
    Open grant
  • 2005
    Pesticide Drift Minimisation Through Reducing Air-shear Atomisation in Aerial Applications: A Critical Australian Pest Management and Crop Protection Issue
    University of Queensland Research Development Grants Scheme
    Open grant

Availability

Dr Andrew Hewitt is:
Available for supervision

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Supervision history

Completed supervision

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