When it comes to managing spray drift on a daily basis, custom applicators have a number of things to consider before heading out to the field. What is the current wind speed? What is the boom height? What is the distance from susceptible vegetative? But perhaps one of the most important aspects applicators should keep in mind is the fact that droplet size is directly correlated to spray efficacy, especially when it relates to herbicides such as dicamba. Choosing the right nozzles can help you apply the right droplet size.
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JOHN DEERE LOW-DRIFT MAX (LDM)
John Deere The John Deere Low-Drift Max (LDM) spray nozzles a re designed for the John Deere Exact Apply Nozzle Control system. The LDM nozzles pair well with pulse-width modulation and conventional spraying alike for applications of systemic herbicides. Providing extra coarse-, very coarse-, and coarse-sized droplets provides significant drift reduction when needed. A 120-degree spray angle combined with a thicker spray pattern ensures targets remain enveloped in spray pattern longer to increase droplet deposition. Available in sizes 03- to 10 to provide speed, pressure range, and application volume flexibility.
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SOFTDROP ULTRA COARSE NOZZLES
Greenleaf Technologies The SoftDrop nozzle is a non-air-inducted spray nozzle designed to produce extremely coarse and ultra-coarse droplets for maximum drift control with dicamba, 2,4-D, glyphosate, and other systemic products applied by pulse width modulation (PWM)-equipped spray rigs. SoftDrop nozzles are also excellent for liquid fertilizers and mixtures of liquid fertilizers and herbicides.
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ALBUZ CERAMIC SPRAY NOZZLES
Greenleaf Technologies Greenleaf Technologies has been named the exclusive North American distributor in the United States and Canada for the full line of Albuz ceramic spray nozzle, which is headquartered in Evreuz, France. Albuz ceramic nozzles are made from a specific pink ceramic grade, which is as hard as a diamond. Their wear resistance is far greater than that of stainless steel, brass, or plastics.
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TADF06-D
Greenleaf Technologies The TADF06-D version of the TurboDrop Asymmetric DualFan nozzle was designed specifically to produce the ultra coarse- and extremely coarse-droplets required for the most drift sensitive applications, including a number of the new auxin formulations. The asymmetric pattern provides enhanced coverage with these large, drift-resistant droplets by targeting weeds from multiple angles. Certain sizes of the TADF06-D are approved for Syngenta’s Tavium, Bayer's XtendiMax and Corteva’s Enlist One herbicides.
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TADF05
Greenleaf Technologies The TurboDrop Asymmetric DualFan (TADF05) nozzle is an air inducted designed to maximize coverage while minimizing drift. The TADF can be alternated on the spray boom to spray the target from four different angles in one pass. The spray quality of the TADF ranges from very coarse to coarse to medium, depending on nozzle size and pressure, making it effective for a wide range of applications, especially ones that are coverage critical like gramoxone and glufosinate.
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BLENDED PULSE DUALFAN (BPDF)
Greenleaf Technologies The Blended Pulse DualFan nozzles use the same asymmetric DualFan spray pattern as the proven TurboDrop Asymmetric DualFan nozzle, bringing the best combination of drift control and coverage to PWM applications without the use of air-injection. The BPDF is truly a multi-purpose nozzle, producing a very coarse to coarse droplet spectrum at lower pressure for drift control in burndown applications and coarse to medium droplets at higher pressure, perfect for coverage critical applications like contact herbicides, fungicide, insecticides and more.
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CP AIR STOP TURBO FLOATER NOZZLE
CP Products The CP Air Stop Turbo Floater has a fast-air shut-off check valve with a built-in nozzle, the company says. It shuts off within seconds, with no leaks or drips. Operators can save on chemical loss from other bladder pinch valves. The nozzle produces droplets from the medium to ultra-coarse.
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TURBO TWINJET (TTJ60) SPRAY TIP
TeeJet Technologies This non-air-induction, twin flat spray tip primarily produces droplets in the M (medium) and C (coarse) range, across the full range of capacities and operating pressures. This tip is ideal for the application of fungicides as well as contact herbicides. Sizes are offered in the range of -02 to -10 capacity for wide range of carrier volumes and application speeds.
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TURBO TEEJET INDUCTION (TTI) SPRAY TIP
TeeJet Technologies This air-induction, single flat spray tip primarily produces droplets in the UC (ultra-coarse) and XC (extremely coarse) range, across the full range of capacities and operating pressures. Driftable fines of less than 2% is typical. New sizes have been added at the high end of the range (-08 and -10 capacities).
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ACCUPULSE TWINJET
TeeJet Technologies This non-air-induction, twin flat spray tip produces UC (ultra-coarse) and XC (extremely coarse) droplets for maximum drift control. The AE50 award winning, and patent-pending design, features unique recirculating ducts and concave exit orifice geometry to produce large, low velocity droplets. This spray tip is designed specifically for use on sprayers equipped with PWM (pulse width modulation) spray tip control. The AccuPulse tip can be used on sprayers with traditional control systems as well. It is ideal for burn down and soil applied applications, as well as post-emerge systemic herbicides that require maximum drift control. It is currently offered in eight capacities from -015 to -08.
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TTI TWINJET (TTI60) SPRAY TIP
TeeJet Technologies This air-induction, twin-flat spray tip went into production at the end of 2016. It has some strong similarities to the TTI tip in terms of the ultra-coarse (UC) and extremely coarse (XC) droplets produced. It produces even fewer driftable fines — less than 1.5% is typical — and offers exceptionally good drift control. The twin pattern offers the advantage of improved coverage and canopy penetration for post-emerge applications. A combined tip/cap design allows for faster, easier installation. This tip is approved for select new generation dicamba products.
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HAWKEYE 2
Raven Industries The most precise nozzle control system, Hawkeye 2 ensures accurate droplet coverage up to 2.5 times more accurate out of the tip than comparable systems. It provides consistency across the boom, which ensures precise droplet coverage, optimizing input costs. And Raven’s legacy of performance and support means less downtime and more acres covered in a day. The next generation nozzle control valve (NCV) builds upon the previous system: Individual nozzle control reduces skips and overlaps; consistent droplet rate and size reduces drift and increases application quality; and turn compensation minimizes over and under application, achieving the ideal application rate across the boom.
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ULTRA LO-DRIFT MAX (ULDM) SPRAY NOZZLE
Pentair-Hypro The Ultra Lo-Drift Max (ULDM) spray nozzle from Pentair Hypro was developed specifically for dicamba and 2,4-D applications. Achieving up to 95% drift reduction, the ULDM is one of the highest rated drift reduction nozzles on the market. A 130-degree wide spray angle ensures coverage is not compromised when spraying at low boom heights mandated by auxin herbicide labels. Providing consistent droplet sizing across its pressure range allows the applicator to choose from a wide range of pressures while maintaining auxin herbicide label compliance.
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PENTAIR HYPRO 3D
Pentair-Hypro The 3D nozzles were designed to provide superior coverage of crop canopies and soil surfaces. Field trial testing conducted by Syngenta has shown the 3D nozzles to provide enhanced fungicide and pre-emergent herbicide performance. Utilizing a 100° spray angle allows the 3D to produce greater droplet velocity than comparable nozzles, the company says. This increase in velocity paired with an inclined spray pattern provides superior canopy penetration and spray coverage. The tighter spray angle may also provide up to 50% drift reduction compared to a standard flat fan nozzle.
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COMBO-JET MR SERIES
Wilger Products The Combo-Jet MR series is an excellent option for systemic-acting and contact-acting herbicides that require consistent levels of coverage while dramatically minimizing drift. The MR series effectively reduces drift compared a conventional flat fan nozzle by 75%.
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COMBO-JET DR SERIES
Wilger Products The Combo-Jet DR series is an excellent option for systemic-acting or high-volume contact-acting herbicides that require coarse levels of coverage while prioritizing drift reduction. The DR series effectively reduces drift compared a conventional flat fan nozzle by 90%.
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COMBO-JET DX SPRAY TIPS
Wilger Products The Combo-Jet DX series is a new series of narrow-angle drift reduction nozzle that has been tailored for Spot-Spraying Application systems. Available in 20 degree, 40 degree, and 60 degree nozzle angles, and solely manufactured with stainless steel spray tips, they are premium and long-lasting spray nozzles for the applicators that cares how they spray. For the advances in spot-spraying technologies, it is only right to have a proper nozzle that will be able to support best practices and fully utilize the benefits for a spot spraying platform. The DX series has been designed to be a drift reduction nozzle that will provide an excellent balance between spray coverage and drift reduction. In addition to the DX series, there have also been additions to the Combo-Jet ER series to include a selection of narrow-angle spray nozzles (in 20 degree/40 degree/60 degree angles) for applications where drift sensitivity is very low.
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COMBO-JET UR SERIES
Wilger Products The Combo-Jet UR series is an excellent option for systemic herbicides that cannot tolerate high levels of particle drift. The UR series applies with consistent ultra-coarse levels of coverage while prioritizing drift reduction. The UR series effectively reduces drift compared a conventional flat fan nozzle by over 90%.
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COMBO-JET SR SERIES
Wilger Products The Combo-Jet SR series is an excellent option for contact-based herbicides that require high levels of coverage while still minimizing drift. The SR series effectively reduces drift compared a conventional flat fan nozzle by 50%.
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COMBO-JET ER SERIES
Wilger Products The Combo-Jet ER series is a conventional flat fan nozzle, which excels at maintaining the finest spray quality possible, which is useful for high volume rates of fungicide. For most other pesticide use, a drift- reduction series nozzle is typically recommended.
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COMBO-RATE DOUBLE-DOWN NOZZLES
Wilger Products The Double-Down outlet split outlet allows for already owned spray tips to be mixed in pairs to apply higher volume applications more effectively. Provided both nozzles provide sufficient drift reduction capabilities, they can be used at the same time (with PWM or with auto-rate control) to spray out of both outlets at the same time. Simply adding the respective volumes of the two nozzles will provide a new total volume applied. Extremely useful for fungicide or high-volume herbicide applications.
Often times, that’s easier said than done. Selecting spray nozzles that are best suited to your specific application can be a difficult decision. When a poor choice is made, it can lead to re-spraying and reduced performance – two problems no applicator should face. In addition to developing spray nozzles that are highly engineered, precision components, manufacturers are going to great lengths to help match your requirements to the best available nozzle. Tools like the Spray Tip Charts from Wilger and the SpraySelect mobile app from TeeJet allow you to quickly and easily choose the proper tip for your application.
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To further assist applicators as they give full consideration to spray nozzle manufacturers and their products, CropLife IRON has provided product descriptions and photos of the latest offerings on the market in this slideshow.
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