Recommendations for use of nozzles and equipment
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Steffen Graef, Management Dear customer, for more than 40 years agrotop has produced pioneering products in the field of plant protecting technology. Continuous development of nozzles for increasing efficacy and decreasing environmental impact of the plant protection products led to the invention of the first low drift nozzle Servodrop and the air induction nozzles TurboDrop®, AirMix®, VR and HiSpeed famous worldwide, and helped preserve plant protection products through protection of the environment with higher performance for farmers. The new SoftDrop and SpotFan nozzles designed for digital...

Contents Nozzle technology Undercover application Nozzle guide Filter guide Continuous internal sprayer rinsing Cereals 9 Corn 10 Potatoes 11 Canola 12 Sugar beet 13 Liquid fertilizer application 14 Vegetables 15 Standard tree plants 16 Hops 17 Asparagus 18 Rinsing procedure 20 Setup 21 Test check 22 Efficient rinsing system 23 Closed transfer systems QuantoFill M 24 Dosing device for nitrogen stabilisers 26 easyFlow 28 Application charts and formulas spray technology

Nozzle technology Basic knowledge about nozzle technology and various operating modes Spray pattern Nozzles can be characterised by the spray pattern. A distinction is made by: Double flat fan nozzles Hollow cone nozzle Full cone nozzles Spray angle Another characterisation of nozzles is their spray angle. The most common types are 110° on field sprayers and 80° on onchard sprayers. Asymmetric double flat fan nozzles A distance of 25 instead of 50 cm is becoming more popular on field sprayer booms. This enables the use of nozzles with 80° spray angle on these sprayers. The shorter distance...

Nozzle technology Creating droplets Standard nozzles Unlike the injector nozzles, where the expansion of the injected air helps to form the droplets leaving the distribution nozzle, standard nozzle tips have to break the liquid sheet into droplets strictly through pressure (hydraulic atomizing). Lower pressure produces large droplets, whereas higher pressure makes the droplets finer. Standard nozzles produce finer, driftable droplets compared to venturi nozzles. Venturi nozzles These nozzles inject air into the liquid flow, using the „Venturi principle“. Air and liquid are mixed, forming...

Nozzle technology The TurboDrop® system Unique venturi nozzle design, built as a modular system. The nozzle for professionals, large farms and contractors. TurboDrop® nozzles are built as a modular system. The flow rate is determined by the injector, the distribution cap forms the spray pattern and the droplet size. Injectors are combinable with various distribution caps with a standard bayonet lock. So droplet size and spray pattern can be adapted easily to the operating conditions. TurboDrop® Standard The standard version of the TurboDrop® injector is mounted on the nozzle holder with a...

Nozzle technology TurboDrop® VR To keep a constant application rate with a high variability in speed, often PWM technology or a system for automatic nozzle changing is used. These techniques are very expensive, heavy and because of their complexity also prone to failure. TD VR MK II ESI The same result as these technologies can be reached with TurboDrop® VR nozzles. A integrated bypass valve opens slowly at a specific pressure to increase the flow rate continuously, with no variation in longitudinal distribution and less technical effort than using PWM technology or systems for automatic...

Nozzle technology Application professionals opinion on asymmetric TurboDrop® HiSpeed nozzles Sonderdruck aus den DLG-Mitteilungen 1/2010 “The costs of the spray nozzles are bits and pieces compared to the spending for a complete sprayer or the chemicals used in one season. Thus only get the best of the best.” (“Nozzle technology: Decisive interface”, published in profi 02/2011) “The costs of the spray nozzles appear high, but are more than reasonable considering their performance, longevity and the low application expenses per acre.” ...aber auch weniger Wirkung? Kosten senken heißt heute...

Nozzle technology TurboDrop® HiSpeed Innovative nozzle technology spray direction TurboDrop® HiSpeed nozzle ▪ Creates spray “shadow” at the backside of the leaf/stem ▪ All around coverage of front and back side of the plant ▪ Less coverage at lower leaf canopy levels at higher application speeds ▪ Downwards front pattern for good penetration to stem base especially at reduced application speeds Six good reasons for using asymmetric dual fan TurboDrop® nozzles HiSpeed or TD ADF ▪ TD HiSpeed nozzles are officially listed for drift reduction for 90 % / 75 % / 50 % in Germany and other countries...

Undercover application Dropleg® Beluga creates new possibilities … … for canola, corn, potatoes, strawberrys and many other plants. Brackets for Dropleg® Beluga are installable on nearly every boom in any distances using only two screws. Just hang up the Droplegs in the keyholes. Connect the hose with the cap on a nozzle holder. Nozzle holders which are not needed can be closed with blind caps. Horizontal oriented nozzles are wetting the stems under the blooming zone Features ▪ Wide range of flow rates or spray patterns by choosing different nozzles ▪ Slim and flexible ▪ Low weight (approx....

Nozzle guide cereals Cereals HERBICIDES GROWTH REGULATORS TD® ADF TD® HiSpeed SMALL GRASS WEEDS INSECTICIDES BBCHCode Using dual fan nozzles insures a better reach of “hidden” weeds, while spraying areas covered with organic material, especially when using asymmetric dual fan nozzles with different angles of penetration. The coverage on small leaf weed grass improves as well. Spraying growth regulators requires a coarse spray to reduce drift risk, important when spraying close to sensitive neighbour crops or non-agricultural areas. When Spraying contact fungicides at late development stages,...