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You Ask, We Answer!

Our Effluent Management Specialists
Answer Your Questions Here...
Trusted for Safety and Reliability

You Ask, We Answer!


Nevada invites you to ask us for advice...sharing is caring and we can all learn from the different effluent management situations farmers ask about. Below are some of your questions so far...
Lloyd Thomas - Nevada Effluent Management Specialist
Lloyd Thomas
Michael Prestidge - Nevada Effluent Management Specialist
Michael Prestidge
Quentin Thomas - Nevada Effluent Management Specialist
Quentin Thomas
My irrigator keeps stalling part way down the paddock. I've already dropped the hose down to 50mm. Any ideas?
Dropping the size of the drag hose is a common mistake many farmers make in trying to resolve this issue. While the thought in doing this is to reduce the weight of the hose to get the irrigator working, this is actually counterintuitive. In reducing the size you are actually reducing the flow which is what powers the irrigator along.

In terms of troubleshooting why your irrigator is stalling, here's a few things to try:
  • Check your pumps and mainlines are in good working order.
  • Check for leaks in the mainlines, hose and travelling irrigator.
  • Check for any blockages.
If your mainline pipes are incorrectly sized for your set up this could be the issue. Give us a call on 0800 464 393 and we can help you work this out.

Have you added to the mainline? If you've increased your mainline without increasing your pumping power this could be the issue.

Another possibility would be to do with how your drag hose is laid out. This is important to reduce any resistance.
We’ve got a couple of farms south of Kerikeri with big ponds. What’s the best way to drop pond levels fast? We’ve tried a few different methods now, but everything’s either too slow or unsuitable for our hilly farm.

Dropping pond levels fast is more of a challenge when spreading over hilly paddocks. You need an irrigator with stability over uneven ground and the application needs to be council compliant. This means making sure spreading doesn’t result in ponding or run-off.

From what you describe, a Nevada RainWave™ umbilical drag hose system could be ideal. Attaching the effluent applicator to your tractor to spread will provide the stability required for moving over uneven ground. Using the RainWave™ applicator there is little chance of ponding or run off due to its unique design which allows it to produce larger droplets that are spread in a rain-like pattern that allows the effluent to reach and absorb into the ground.  It can also provide the speed you are after to drop the pond levels fast, spreading 10x the amount of a standard travelling irrigator.

Many farmers in similar situations have had success using an umbilical system. With this type of set up you’re able to apply large volumes in a short amount of time, but it does mean setting aside some time to complete the job. You’ll also want to make sure you’ve got a good pump to keep the flow consistent regardless of how far you’re spreading.
Farm Dairy Effluent System Design Accredited

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Farm Dairy Effluent System Design Accredited
Yes, We're Accredited!
Nevada are Farm Dairy Effluent System Design Accredited by Irrigation NZ! This means we've been assessed (and passed with flying colours) on our competency and skills in all the important things to provide you with top notch advice - read more here
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