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More Profit from Nitrogen - Quantifying the whole farm systems impact of nitrogen best practice on dairy farms

The dairy industry has invested in and proven that whole farm system modelling is a highly efficient way to assess the efficacy of a range of management interventions on dairy farms. Over the last 20 years average annual Nitrogen (N) fertiliser use on dairy farms has increased markedly, now approximately 100kg N/ha to over 250 kg N/ha on some farms. Although much research has defined guiding principles for N application, there has been little validation of these best management practices (BMP) across farming systems. It is well known that local climatic and edaphic factors influence the efficiency of N usage, however the effects on production, profitability, N cycling, and N losses at the whole of farm system level have not been well quantified. The project aims to use farm systems analysis and modelling to validate recommended N best practice on dairy farms including the efficacy of the existing Fert$mart guidelines and new research emanating from the broader More Profit from Nitrogen projects.

Project date

1 Jul 2016-30 Nov 2020
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Principal investigator

Richard Eckard

Project led by

Cotton

Cotton Research and Development Corporation (CRDC)

The Cotton Research and Development Corporation (CRDC) delivers outcomes in cotton research, development and extension (RD&E) for the Australian …

Cotton
  • Location

    Australia

  • Organisation type

    Research funding body

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Multiple industries

More Profit from Nitrogen: NUE case studies

This project is evaluating the economic impact of the adoption of new or improved practices resulting from the research undertaken …
  • Led by

    Cotton Research and Development Corporation (CRDC)

  • Start date

    26 Apr 2021

  • Research organisation

    AgEcon

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