Feeding the world’s growing population

New Zealand’s reputation as a quality food producer is growing.

Optimising food production

Over the next 50 years farmers around the world will need to produce more food than has been grown over the past 10,000 years.

Best use from a limited resource

Fertiliser helps farmers produce food efficiently by replenishing the soil. But fertiliser needs to be used responsibly.

Responsible and sustainable nutrient management

The Fertiliser Association invests in research and tools to ensure farm profitability while minimising nutrient losses to the environment.

The Fertiliser Association of New Zealand promotes and encourages responsible and scientifically-based nutrient management.

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Overseer releases report on water quality management

Overseer Limited has released an independent report on the actual and potential use of Overseer in water quality management.

Authored by Gerard Willis, Director of Enfocus, the report also examines the issues and limitations of Overseer's use in this context.

Highlights of the Enfocus report are that:

  • there are ways in which Overseer can be "safely" used in regulation
  • using Overseer to model annual compliance with absolute N loss limits unrelated to an earlier Overseer modelled baseline, is a high-risk approach, that maximises uncertainty associated with modelling results
  • lower risk options include using Overseer values as a trigger for closer scrutiny of farm operations, or assessing the proportional change over time from earlier "baseline" files
  • Overseer analysis and data is only part of the picture in diffuse discharge management and should be supported by measurement and monitoring of effects on water quality and other planning tools.

This report aims to inform the conversation about how Overseer can be used by policy makers and planners to support managing freshwater.

You can read the full report on the Overseer website.

The Fertiliser Association of New Zealand and Dairy NZ funded development of the Nutrient Management Adviser Certification Programme (NMACP). This industry-wide certification aims to ensure that advisers have the learning, experience and capability to give sound nutrient advice.

Find out more

2 April 2020

The project objective was to use lysimeters to quantify nitrogen leaching due to livestock urine from autumn-grazed lucerne or ryegrass/clover pasture.

11 February 2020

You can now find a revised version of the TFMS under the 'Tools' section of our website.

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