JD introduces new S7 Series headers
John Deere says its S Series combines have been redesigned and optimised with innovative technologies to build on their proven performance in Australian and New Zealand conditions.
Applying chemicals to arable or grassland crops has many variables — differing chemical formats and target volumes, and forward speeds that vary with undulating terrain.
The latest innovation from John Deere — its ExactApply spray nozzle — is said to increase flexibility and improve accuracy.
It has six nozzles mounted on a rotating turret, working with two electronically operated liquid control valves. The system can manually switch between two nozzles and independently adjust spray pressure and flow rates.
Flow rate is controlled by pulse wave modulation that enables a much wider range of spraying speeds and application rates, with speed from 10 to 30km/h at a constant pressure, or application rates of 100 to 300 litres/ha at constant forward speeds.
Interestingly, the system can also adjust flow and pressure to create a droplet size that is resistant to drift, which will prove useful in sensitive areas or changing weather.
Greater accuracy is achieved by adjusting flow rates to individual nozzles across the boom; this means greater flow is delivered to the end of the boom that is travelling faster on the outside of a curve, while a reduced flow is delivered to nozzles at the inside of the radius.
For long working days during ideal conditions, each nozzle is equipped with LED lighting for night-time spraying and a blockage detection system that advises operators of any interruption of liquid flows.
Analysis by Dunedin-based Techion New Zealand shows the cost of undetected drench resistance in sheep has exploded to an estimated $98 million a year.
Shipping disruption caused by Houthi rebels in the Red Sea has so far not impacted fertiliser prices or supply on farm.
The opportunity to spend more time on farm while providing a dedicated service for shareholders attracted new environmental manager Ben Howden to work for Waimakariri Irrigation Limited (WIL).
Federated Farmers claims that the Otago Regional Council is charging ahead unnecessarily with piling more regulation on rural communities.
Dairy sheep and goat farmers are being told to reduce milk supply as processors face a slump in global demand for their products.
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