Product Focus: Silvan Cannon Jet sprayer

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Macadamia grower Mark Smith is hoping his pest problems are behind him after recently purchasing a 2000L Silvan Cannon Jet sprayer

Silvan representative Ian Davison with Mark Smith with the new Silvan Cannon Jet Sprayer.
Silvan representative Ian Davison with Mark Smith at the commissioning of Mark’s new Silvan Cannon Jet Sprayer.
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His 18ha macadamia plantation near Alstonville, Northern NSW, has trees over 30 years old, which makes it hard to protect them from pests due to their taller, denser canopies.

"The challenge I faced was getting sprays up into the canopy, especially this season as the industry is facing a pretty sound outlook so strong nut production is an objective at a time of likely good returns," Smith says.

"I wanted to get the spray mist well into the canopy," he adds.

After 20 years of service Smith sought to replace his original air blast sprayer with a new 2000L-capacity Silvan Cannon Jet sprayer from local Silvan dealer Ongmac in Lismore.

Silvan spraying product specialist David Carr says aging Macadamia trees need a sprayer with increased air speed like the Silvan Cannon Jet.

"As macadamia trees grow taller and broader with age, growers need a sprayer with increased air speed and a more directed spray plume than standard air assist units have traditionally provided," Carr says.

"The Silvan Cannon Jet Sprayer fulfils this objective with a 450mm twin turbine fan that delivers medium volumes of air at a significantly increased speed and directed by the Cannon’s chute, up into the tallest canopy of the trees."

"With hydraulic adjustment of the chute angle the airstream can be easily directed into the densest part of the tree where the coverage is essential for maximum pest and disease control," he adds.

"The Silvan Cannon Jet is also fitted with adjustable cannon-type nozzles in the top of the chute with three nozzles in a removable panel on the side of the chute for coverage of the lower foliage.

"The adjustable cannon nozzles form a narrow stream of spray which is carried in the airstream from the fan into the canopy," Carr says. "Mounted on a 500-litre linkage tank or on trailed spray units from 2000- or 3500-litre tank capacity Silvan’s Cannon Jet Sprayers can be powered by tractors from 80hp."

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