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Filling is via a heavy duty vacuum pump.
The dairy industry now fully realises the benefits of applying effluent (FDE) to land; not least its fertiliser value – the ability to replace N, P and K, and trace elements, rather than rely on artificial fertilisers.
Nevada slurry tankers, from importer Mid-West Machinery, Taranaki, enables timely dealing with FDE, particularly when ground or weather conditions are suitable, rather than when a contractor can get to them.
With models ranging from single axle units at 6000L up to colossal triple axle units at 34,000L, there should be a model to suit all enterprises. The 10,000-13,000L models are the most common and suit the typical tractors on dairy farms.
Centred on a fully galvanised tank for a long service life, and a heavy duty chassis with large flotation tyres, the units are designed to travel over paddocks without causing damage. The tanks have internal baffles to prevent surging of part loads, and steel implosion rings to prevent pressure or vacuum related issues.
Filling is via a heavy duty vacuum pump, protected by a double overflow system. Tankers of 10,000L and bigger have the maker’s Ezi-Load system – a loading arm with a 200mm pipe for rapid loading. No need for the operator to leave the tractor seat – the arm is raised or lowered hydraulically, and connects with the pond filling station to speed turnaround and ensure clean and safe operation.
Safety is taken care of by hydraulic brakes, hydraulic parking jacks and swivel hitches on all but the entry level machine, and optional sprung drawbars and axles as required.
Spreading is carried out by pressurising the tank and opening the hydraulically actuated discharge valve; spread width is up to 12m. Basic spreading is effected by a splash plate; an optional side discharge nozzle spreads to inaccessible areas.
A trailing shoe applicator, which fits to the rear of the tanker, offers a more controlled spread, minimising odours and getting the cows back onto treated pasture more quickly
Options such as steering axles, accessory couplers and extension pipes make for a big variety of applications.
A two-year year warranty applies.
Traditional spreading via tankers or umbilical systems have typically discharged effluent onto splash-plates, resulting in small droplet sizes, which in turn lead to odours, but probably more importantly, the loss of nitrogen by volatilisation.
As we approach the winter months it’s important to be prepared for the challenges and uncertainties that come with unpredictable weather events.
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