Irrigation New Zealand

INZ, in conjunction with Fish & Game, Department of Conservation and Environment Canterbury, have been coordinating research into the effectiveness and applicability of fish screening methods used in New Zealand. Screens of various construction techniques have been tested using live fish. The initial project aimed to update the NIWA “Good Practice guidelines.” However, the specific testing was unable to definitively test each criteria, so the end result is a findings report to be read in conjunction with the NIWA guidelines. Each individual screen test and the findings report are available.

Results to date reveal the two main factors for effective fish exclusion are:

  1. the design and provision of the by-pass components
  2. regular maintenance of the fish screen

The findings report goes into more detail on these and other points. Further trials are planned to test the importance and impact of different mesh size.

Screen Evaluations Findings report

Fish Screening: Good practice guidelines

Selwyn DC screen evaluation

Acton screen evaluation

Mead screen evaluation

North Otago Irrigation Company screen evaluation

Totara Valley screen evaluation

Levels Plains screen evaluation draft report

DIDSON Monitoring at Levels Plain Intake letter


Wednesday 11 April–12 April

10:00 am - 17:00 pm

Join us for a two day Fertigation Master Class

When: 11th and 12th April 2018

Where: Lincoln Event Centre

Cost: $650 +GST

Places are limited so get in early to avoid disappointment.

The outcome of the class is to produce a resource that will provide irrigators with clear information for successful fertigation, including costs and benefits, good management practice knowledge resources and related training opportunities.

It will also enable irrigators and their service industries to inform and achieve any future regulations around fertigation equipment and practice.

The master class will help to unlock the future potential of fertigation in NZ through providing answers to the following questions –

  1. What are the costs and benefits of fertigation?
  2. What are the equipment options for fertigation and to which scenarios are they best applied?
  3. What does ‘good practice’ design, installation and management look like?

The programme involves presentations on each topic followed by discussion and agreement that these are industry accepted standards. There will be a field trip on the afternoon of day 1 as well as a dinner on the Wednesday night. Full programme will be released soon….

The price for the master class is $650 + GST

Notice of withdrawal: 7 days – 50% registration refunded or transferable to another person, 3 days – no refund – transferable to another person

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Wednesday 9 May

09:00 am - 17:00 pm

Water Meter Verification Workbook training day.

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Tuesday 15 May

09:00 am - 17:00 pm

Water Meter Verification Workbook Training day - Taupo

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