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Neil Ryan, Dairy Farmer - New Plymouth

Neil's Reaping The Rewards Of Mixing Over Separation


From weeping wall to mix and store - Neil's reaping the rewards!

Neil runs a 140ha dairy farm in New Plymouth milking approximately 380 cows...

Originally Neil's effluent system used a weeping wall for solids separation, and he'd spread with his solids spreader when he had time...however the system wasn't working out as he'd envisioned.   

He entrusted Nevada to design, supply and install a more efficient and effective effluent management system.  This included a new 25m x 25m HDPE lined effluent pondPC pump and EL9 shore mounted electric stirrer.
Weeping Wall

'Lining the pond is important to make sure you'll stay council compliant with no leaks.  HDPE lining is recommended because it's cost effective, reliable, and lasts a very long time.  A PC pump and shore mounted stirrer are the way to go when you can get electricity running down to the pond.  Not only is this the most efficient and cost effective way to get the job done, it's also the safest in not having anyone need to venture out onto the pond for maintenance.'
- Lloyd Thomas, Nevada
Nevada project managed the entire operation from contracting local company Excavat to dig the pond, through to installation of the pump and stirrer.

With this new system set up, Neil simply spreads with an irrigator that he sets to run for two hours and then the pump switches off on a timer.  As for the old solids spreader, it's not quite retired yet, and neither is the weeping wall - the weeping wall was converted into a sandtrap, and the solids spreader is used to empty it when needed.

'It's [the new system] much easier than the old system.  The pump is awesome.  Makes things much easier with some storage.  The stirrer's great.  Pivots from side to side and creates a good stirring action around the pond'

Our Nevada electric pond mixer easily disperses any crust build-up and creates a whirlpool and gets the whole pond moving so the crust can't form again. Our pond is as clear as a lake now.

Cameron Johnston, Taranaki Dairy Farmer

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