Environment: Effluent Systems

Arrow IPENZ Practice Note 27 Dairy Farm Infrastructure
Arrow Dairy Effluent Spreading Calculator app
Arrow Catalogue of Effluent Resources
Arrow A Farmer's Guide To Managing Farm Dairy Effluent
Arrow A staff guide to operating your effluent irrigation system - Low rate system
Arrow Farm Dairy Effluent (FDE) Spreading Calculator
Arrow Effluent Storage: Working Volume Calculator
Arrow Effluent spreading contractors' communication form

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Published: 01 Oct 2013

IPENZ Dairy Farm Infrastructure

The purpose of Practice Note 27 (PN 27) is to offer industry guidance in the design and construction of some key infrastructure components that are related to farm dairy effluent management on New Zealand dairy farms.

It is a good-practice reference source for engineering practitioners, contractors, agriculturists, product suppliers, regional council and local authority staff and others involved in the dairy industry. Farmers will also find this a valuable technical resource. It is divided into five separate parts (see download links below) covering; legislation, solids separation, underpasses, concrete structures and feedpads.

IPENZ Dairy Farm Infrastructure Preliminary contents
IPENZ Dairy Farm Infrastructure Part 1 - Legislation
IPENZ Dairy Farm Infrastructure Part 2 - Solids Separation
IPENZ Dairy Farm Infrastructure Part 3 - Underpasses
IPENZ Dairy Farm Infrastructure Part 4 - Concrete Structures
IPENZ Dairy Farm Infrastructure Part 5 - Feed Pads
IPENZ Dairy Farm Infrastructure References
IPENZ Dairy Farm Infrastructure Full publication (8.5MB)

Published: 01 Sep 2013

Farm Dairy Effluent Spreading Calculator app

The DairyNZ Farm Dairy Effluent Spreading Calculator app (available for iOS and Android) allows farmers to easily calculate nutrient loadings and application rates for their dairy effluent based on a number of customisable inputs. This app means that farmers can manage the application of their effluent nutrients with greater precision.

There are two calculators in this app, the Quick Calculator which is for spray irrigation systems such as travelling irrigators & sprinklers, and an Advanced Calculator which is for slurry tankers and muck spreaders.

Published: 02 Mar 2013

DairyNZ Effluent Resources

A catalogue of effluent resources available from DairyNZ including:

  • Designing or upgrading effluent systems
  • Compliance with rules
  • Effluent Storage
  • Videos
  • Handy Tools
  • Farmfacts
  • Managing/operating effluent systems

Published: 01 Feb 2013

A Farmer's Guide To Managing Farm Dairy Effluent

A good practice guide to land application, for farm owners, sharemilkers, farm managers and effluent professionals. The guide incorporates all of the latest research including the soil classification matrix and solids separation; as well as new tools such as the Dairy Effluent Storage Calculator, and the FDE Spreading Calculator.

The guide introduces topics previously not covered by the older regional guides, such as managing staff and contractors, and health and safety around the effluent system; as well as linking readers to other resources.

Compliance requirements for each region can now be found in the Compliance Checklists. Some of the more recently published regional guides will remain available for order while stocks last.

Also see information on Effluent Systems

View the effluent management guide for your region here.

Published: 01 Dec 2012

A staff guide to operating your effluent irrigation system - Low rate system

Understanding how to operate your effluent irrigation system properly is an essential task on farm.

This booklet helps take farm staff through the important parts of operating and maintaining a low rate effluent system.

The book can be used as a training guide for those who are new to low rate pod systems, or for staff who are new to the farm to introduce them to the farm's effluent practices and policies.

Published: 01 Oct 2012

DairyNZ Farm Dairy Effluent (FDE) Spreading CalculatorUse to calculate the nutrient loading applied when spreading effluent solids or slurries to land. This can be used by farmers and effluent spreading contractors showing details such as the required spreading area and travelling speeds to achieve the desired application of nutrients. It is very simple to use with only three steps required.

The information generated from this calculator can be recorded in the Effluent Spreading Contractor's Communication Form, and given to staff or contractors spreading effluent to land.

Published: 01 Oct 2012

Effluent Storage: Working Volume Calculator

This tool has been updated to not only assist you to calculate the working volumes and true dimensions of a new or existing storage pond or tank, but also make an accurate pond volume gauge to simplify pond management. It is an easy to use tool that can quickly give you measurements which can be printed off to show you or potential clients the dimensions and volumes of the storage. It can be used for square, rectangular or circular facilities. This should be used in combination with the effluent storage volumes generated from the Dairy Effluent Storage Calculator or for calculating the working volume of existing ponds or tanks.

Published: 01 Oct 2012

Effluent spreading contractor communications form

To help reduce communication breakdowns between farmers and effluent spreading contractors, a form has been added to the DairyNZ Compliance Toolkit. The online printable form records information such as the pond liner type, hazards present, areas to avoid applying effluent to, which paddocks/areas to apply the solids and the depths or rates to apply the solids at.

Click here for the Effluent spreading contractors' communication form

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