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More Profit from Nitrogen - Smart blended use of enhanced efficiency fertilisers to maximise sugarcane profitability

This project looks at increasing nitrogen (N) use efficiency in sugar. On sugarcane farms, losses of applied N through emissions, leaching and runoff are heavy after high rainfall or irrigation. Enhanced efficiency fertilisers (EEF), eg controlled-release urea and nitrification inhibitor-coated urea, can improve crop recovery of applied N, reduce N losses, and increase yield. Polymer-coated urea (PCU) releases N into soil up to seven months after fertilisation and/or rainfall, which could reduce N loss during wet Summers. However, inconsistent EEF performance and higher costs restrict adoption. This project assesses the potential of blending commercially available EEFs with conventional urea to better synchronise N supply with crop uptake. It will develop a decision-support tool to help growers select combinations of products.

Project date

1 Jul 2016-30 Apr 2020
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Principal investigator

Weijin Wang

Project funded by


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 …
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    Research funding body



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