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  2. 20.3 Controlling the nozzle output

    https://grdc.com.au/resources-and-publications/grownotes/technical-manuals/spray-application-manual/selecting-a-spraying-system/module-20-optical-spot-sprayers/20.3-controlling-the-nozzle-output

    24 Jan 2025: Top. Fixed pressure or pulse-width modulation? The original optical spot spraying systems use constant pressure in the spray line, so spray quality remains constant, unless the pressure or the nozzles are changed by the operator. Constant pressure

    a:
    Grains Research and Development Corporation
    b:
    Grains Research and Development Corporation
    Date:
    2025-01-24 14:40:59, 2025-01-24 14:40:59, 2025-01-24, 2025-01-24
    e:
    20.3 controlling the nozzle output, summary
    f:
    text/html
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    9e1127a6386b12301d6b042654f02c3f
    j:
    https://grdc.com.au
    l:
    https://grdc.com.au/__data/assets/image/0038/375887/brandmark_landscape.png
    issueno:
    20.3 Controlling the nozzle output
    title:
    20.3 Controlling the nozzle output
    p:
    Grains Research and Development Corporation
    aissueno:
    Module 20: Optical spot sprayers
    thumbfocus:
    thumb-focus-center
    ctype:
    GrowNotes

  3. 20.2 Systems available in Australia

    https://grdc.com.au/resources-and-publications/grownotes/technical-manuals/spray-application-manual/selecting-a-spraying-system/module-20-optical-spot-sprayers/20.2-systems-available-in-australia

    24 Jan 2025: Top. There are several different optical spot spray systems now available in Australia, with additional systems in various stages of development and commercialisation. The general operating principle is some form of sensing device to identify the

    a:
    Grains Research and Development Corporation
    b:
    Grains Research and Development Corporation
    Date:
    2025-01-24 14:40:59, 2025-01-24 14:40:59, 2025-01-24, 2025-01-24
    e:
    20.2 systems available in australia, summary
    f:
    text/html
    H:
    20efedfc43139915c9175233316e231c
    j:
    https://grdc.com.au
    l:
    https://grdc.com.au/__data/assets/image/0038/375887/brandmark_landscape.png
    issueno:
    20.2 Systems available in Australia
    title:
    20.2 Systems available in Australia
    p:
    Grains Research and Development Corporation
    aissueno:
    Module 20: Optical spot sprayers
    thumbfocus:
    thumb-focus-center
    ctype:
    GrowNotes

  4. 19.7 Practical considerations

    https://grdc.com.au/resources-and-publications/grownotes/technical-manuals/spray-application-manual/selecting-a-spraying-system/module-19-shielded-sprayers/19.7-practical-considerations

    24 Jan 2025: Top. As crop row spacing becomes narrower, and the crop canopy increases in size, the use of shielded sprayers in the inter-row space becomes more challenging. To apply products as an even band below the shield, the shield must be able to maintain

    a:
    Grains Research and Development Corporation
    b:
    Grains Research and Development Corporation
    Date:
    2025-01-24 14:40:55, 2025-01-24 14:40:55, 2024-12-03, 2025-01-24
    e:
    19.7 practical considerations, summary
    f:
    text/html
    H:
    1fab510f456e4dfc456c0cd3f761276d
    j:
    https://grdc.com.au
    l:
    https://grdc.com.au/__data/assets/image/0038/375887/brandmark_landscape.png
    issueno:
    19.7 Practical considerations
    title:
    19.7 Practical considerations
    p:
    Grains Research and Development Corporation
    aissueno:
    Module 19: Shielded sprayers
    thumbfocus:
    thumb-focus-center
    ctype:
    GrowNotes

  5. 19.6 Control of the spray system

    https://grdc.com.au/resources-and-publications/grownotes/technical-manuals/spray-application-manual/selecting-a-spraying-system/module-19-shielded-sprayers/19.6-control-of-the-spray-system

    24 Jan 2025: Top. Ideally, the shielded sprayer will be set up on a tool bar that matches the width of the seeder. As with other sprayer set-ups, the operator needs to consider what the total volume will be that passes through the machine and associated

    a:
    Grains Research and Development Corporation
    b:
    Grains Research and Development Corporation
    Date:
    2025-01-24 14:40:55, 2025-01-24 14:40:55, 2024-12-03, 2025-01-24
    e:
    19.6 control of the spray system , summary
    f:
    text/html
    H:
    3b6849b8fc4d7cdbbc140c846584e8b9
    j:
    https://grdc.com.au
    l:
    https://grdc.com.au/__data/assets/image/0038/375887/brandmark_landscape.png
    issueno:
    19.6 Control of the spray system
    title:
    19.6 Control of the spray system
    p:
    Grains Research and Development Corporation
    aissueno:
    Module 19: Shielded sprayers
    thumbfocus:
    thumb-focus-center
    ctype:
    GrowNotes

  6. 19.5 Droplet escape and drift potential

    https://grdc.com.au/resources-and-publications/grownotes/technical-manuals/spray-application-manual/selecting-a-spraying-system/module-19-shielded-sprayers/19.5-droplet-escape-and-drift-potential

    24 Jan 2025: Top. Enclosing the spray pattern with a shield can significantly reduce spray drift compared to that of a standard boom sprayer, provided a nozzle producing a coarse spray quality or larger is used. This may provide the opportunity for greatly

    a:
    Grains Research and Development Corporation
    b:
    Grains Research and Development Corporation
    Date:
    2025-01-24 14:40:54, 2025-01-24 14:40:54, 2024-12-03, 2025-01-24
    e:
    19.5 droplet escape and drift potential, summary
    f:
    text/html
    H:
    f242b3035d90525ac7ae5db6765c7883
    j:
    https://grdc.com.au
    l:
    https://grdc.com.au/__data/assets/image/0038/375887/brandmark_landscape.png
    issueno:
    19.5 Droplet escape and drift potential
    title:
    19.5 Droplet escape and drift potential
    p:
    Grains Research and Development Corporation
    aissueno:
    Module 19: Shielded sprayers
    thumbfocus:
    thumb-focus-center
    ctype:
    GrowNotes

  7. 19.4 Nozzle choice and spray quality

    https://grdc.com.au/resources-and-publications/grownotes/technical-manuals/spray-application-manual/selecting-a-spraying-system/module-19-shielded-sprayers/19.4-nozzle-choice-and-spray-quality

    24 Jan 2025: Top. There are relatively few nozzle types available that can produce an even flat fan pattern compared to the range of nozzles that produce tapered flat fans. If a product needs to be applied as a coarse spray quality the range of suitable even

    a:
    Grains Research and Development Corporation
    b:
    Grains Research and Development Corporation
    Date:
    2025-01-24 14:40:54, 2025-01-24 14:40:54, 2024-12-03, 2025-01-24
    e:
    19.4 nozzle choice and spray quality, summary
    f:
    text/html
    H:
    9b1bea240222024cd8083026754a03d6
    j:
    https://grdc.com.au
    l:
    https://grdc.com.au/__data/assets/image/0038/375887/brandmark_landscape.png
    issueno:
    19.4 Nozzle choice and spray quality
    title:
    19.4 Nozzle choice and spray quality
    p:
    Grains Research and Development Corporation
    aissueno:
    Module 19: Shielded sprayers
    thumbfocus:
    thumb-focus-center
    ctype:
    GrowNotes

  8. 19.3 Determining the applied rate for banded applications

    https://grdc.com.au/resources-and-publications/grownotes/technical-manuals/spray-application-manual/selecting-a-spraying-system/module-19-shielded-sprayers/19.3-determining-the-applied-rate-for-banded-applications

    24 Jan 2025: Top. For all banded applications, including applications using shielded sprayers, the product needs to be applied within a discrete and uniform strip of a known width. Once the required sprayed width is known the applied rate can be calculated using

    a:
    Grains Research and Development Corporation
    b:
    Grains Research and Development Corporation
    Date:
    2025-01-24 14:40:54, 2025-01-24 14:40:54, 2024-12-03, 2025-01-24
    e:
    19.3 determining the applied rate for banded applications, summary
    f:
    text/html
    H:
    40c99d58564c93fe7a0b75a7a3c3ae87
    j:
    https://grdc.com.au
    l:
    https://grdc.com.au/__data/assets/image/0038/375887/brandmark_landscape.png
    issueno:
    19.3 Determining the applied rate for banded applications
    title:
    19.3 Determining the applied rate for banded applications
    p:
    Grains Research and Development Corporation
    aissueno:
    Module 19: Shielded sprayers
    thumbfocus:
    thumb-focus-center
    ctype:
    GrowNotes

  9. 19.2 Label and legal requirements

    https://grdc.com.au/resources-and-publications/grownotes/technical-manuals/spray-application-manual/selecting-a-spraying-system/module-19-shielded-sprayers/19.2-label-and-legal-requirements

    24 Jan 2025: Top. It is generally accepted that if a herbicide is registered for 'over the top' post-emergent application within the crop of concern then there is no legal impediment to applying the same application rate via a shield to the interrow only, should

    a:
    Grains Research and Development Corporation
    b:
    Grains Research and Development Corporation
    Date:
    2025-01-24 14:40:54, 2025-01-24 14:40:54, 2024-12-03, 2025-01-24
    e:
    19.2 label and legal requirements, summary
    f:
    text/html
    H:
    e3bc58190d8cd8d9e2baeeacb399dd72
    j:
    https://grdc.com.au
    l:
    https://grdc.com.au/__data/assets/image/0038/375887/brandmark_landscape.png
    issueno:
    19.2 Label and legal requirements
    title:
    19.2 Label and legal requirements
    p:
    Grains Research and Development Corporation
    aissueno:
    Module 19: Shielded sprayers
    thumbfocus:
    thumb-focus-center
    ctype:
    GrowNotes

  10. 18.4 Wheel-track nozzles on multi-step systems

    https://grdc.com.au/resources-and-publications/grownotes/technical-manuals/spray-application-manual/selecting-a-spraying-system/module-18-single-line-and-multi-step-systems/18.4-wheel-track-nozzles-on-multi-step-systems

    24 Jan 2025: Top. On a standard single line sprayer, when spraying fallows with knockdown herbicides, many operators would normally fit a larger orifice size nozzle behind the wheel to compensate for the impact of dust and lower spray deposits adjacent to the

    a:
    Grains Research and Development Corporation
    b:
    Grains Research and Development Corporation
    Date:
    2025-01-24 14:40:56, 2025-01-24 14:40:56, 2024-12-03, 2025-01-24
    e:
    18.4 wheel-track nozzles on multi-step systems, summary
    f:
    text/html
    H:
    c62b4e0c6dfcd8d3d5980bfb30eac833
    j:
    https://grdc.com.au
    l:
    https://grdc.com.au/__data/assets/image/0038/375887/brandmark_landscape.png
    issueno:
    18.4 Wheel-track nozzles on multi-step systems
    title:
    18.4 Wheel-track nozzles on multi-step systems
    p:
    Grains Research and Development Corporation
    aissueno:
    Module 18: Single line and multi-step systems
    thumbfocus:
    thumb-focus-center
    ctype:
    GrowNotes

  11. 18.3 Operating range for a 4-nozzle multi-step system

    https://grdc.com.au/resources-and-publications/grownotes/technical-manuals/spray-application-manual/selecting-a-spraying-system/module-18-single-line-and-multi-step-systems/18.3-operating-range-for-a-4-nozzle-multi-step-system

    24 Jan 2025: Top. A four-nozzle multi-step system may be set up by using four nozzles per outlet across the boom (e.g. at 0.5m), or by having two nozzles per outlet, using half the normal nozzle spacing (e.g. 0.25m). Table 6 provides an example of the equivalent

    a:
    Grains Research and Development Corporation
    b:
    Grains Research and Development Corporation
    Date:
    2025-01-24 14:40:56, 2025-01-24 14:40:56, 2024-12-03, 2025-01-24
    e:
    18.3 operating range for a 4-nozzle multi-step system, summary
    f:
    text/html
    H:
    81d650a3e2bd8075240019b1747e4cbe
    j:
    https://grdc.com.au
    l:
    https://grdc.com.au/__data/assets/image/0038/375887/brandmark_landscape.png
    issueno:
    18.3 Operating range for a 4-nozzle multi-step system
    title:
    18.3 Operating range for a 4-nozzle multi-step system
    p:
    Grains Research and Development Corporation
    aissueno:
    Module 18: Single line and multi-step systems
    thumbfocus:
    thumb-focus-center
    ctype:
    GrowNotes

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Collection last updated: Feb 6, 2025, 11:30:05 PM.
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