Plants & GHGs

The NZAGRC’s former nitrous oxide and soil carbon work streams were combined into one programme this year. This ensures a strong overall framework, closer communication and full GHG analyses across the programme. The programme focusses on three key areas:

1. Identifying and prioritising plant traits for low GHG emissions;

2. Mitigation practices to maintain soil carbon and reduce nitrous oxide emissions at paddock scale; and

3. Defining the achievable soil carbon stabilisation capacity of New Zealand grassland soils.

Current progress and research stories

Soil carbon: New tool to measure soil carbon

A study has been completed into the potential of using mid-infrared spectroscopy/partial least squares regression (MIR/PLSR) analyses to provide accurate estimates of the content and composition of soil carbon. The MIR/PLSR measurements provided reliable estimates about the impact of agricultural management on carbon stocks to a depth of 0.25m, as well as an indication of the vulnerability of soil carbon to change.

An exceprt from the NZAGRC Highlights 2017 to be released in full shortly. Read more


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