grant

Discovery Projects - Grant ID: DP160101028 [ 2016 - 2020 ]

Research Grant

[Cite as http://purl.org/au-research/grants/arc/DP160101028]

Researchers Prof Jizheng He; Prof Deli Chen

Brief description This project aims to identify those microbes able to transform nitrate to ammonium and thus increase soil nitrogen conservation. More than 50 per cent of the nitrogen in fertilisers applied to soils is lost into the environment, which is both a financial loss to farmers and a main anthropogenic source of nitrogen pollution. Some microbes can transform nitrate into ammonium through dissimilatory reduction (DNRA) and thus increase soil nitrogen retention. However, the DNRA process and the responsible microbial groups remain largely unknown. This project plans to use isotope tracing and biomolecular approaches to identify those DNRA microbial groups and elucidate the DNRA reaction process. The findings may support the use of DNRA to improve soil nitrogen.

Funding Amount $248,000

Funding Scheme Discovery Projects

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