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NESP TWQ Project 5.11 - Improved water quality outcomes from on-farm nitrogen management, 2019-2020 (UQ)

Created 13/03/2025

Updated 13/03/2025

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The sugar industry occupies 350,000ha in Reef catchments, applies >55,000t of nitrogen (N) fertilizer annually and is a major contributor of dissolved inorganic nitrogen (DIN) to Great Barrier Reef receiving waters. There are many potential mechanisms for reducing on-farm Nusage. However, the comprehensive review of N use in sugarcane (SRA/DoE 2014) identified widespread over-use of N fertilizer and recommended adopting production zone yield potential (PZYP) combined with enhanced efficiency fertilizers (EEFs) to reduce ’surplus N’ (where applied N>crop requirements). This project utilized existing farm trials at identified N loss ‘hot spots’ to test PZYP as the basis for determining fertilizer N rates and for comparing EEFs with standard N fertilizers for minimizing N losses. Water quality benefits that derive from such practice changes were evaluated. Productivity, economic and environmental indicators validated these strategies for reducing surplus N and produced recommendations for enhanced Best Management Practices.

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Field Value
Title NESP TWQ Project 5.11 - Improved water quality outcomes from on-farm nitrogen management, 2019-2020 (UQ)
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/9aedfbe8-b16e-4956-848d-8375e29717f3
Contact Point
CSIRO Oceans & Atmosphere
m.bell4@uq.edu.au
Reference Period 01/01/2019 - 10/12/2020
Data Portal data.gov.au

Data Source

This dataset was originally found on data.gov.au "NESP TWQ Project 5.11 - Improved water quality outcomes from on-farm nitrogen management, 2019-2020 (UQ)". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/nesp-twq-project-5-11-improved-water-quality-outcomes-from-on-farm-nitrogen-management-2019-202

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