<span class="h5">Objective 4.1: Mechanistic modelling of enteric CH<sub>4</sub> production <br />
</span><span class="h6">Leader: Dr David Pacheco (AgResearch)<br />
NZAGRC funding: May 2010 - June 2013</span> 
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The development and evaluation of methane mitigation strategies requires a mechanistic understanding of the processes influencing methane formation in the rumen. The ability to predict responses in methane formation from NZ ruminants will improve inventory and accounting of GHG, and is fundamental to inform research and policy.
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<span class="h5">Objective 4.2: Improved N<sub>2</sub>O Component Modelling <br />
</span><span class="h6">Leader: Dr Iris Vogeler (AgResearch)<br />
NZAGRC funding: May 2010 - June 2013</span>
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Most models of soil C and N cycling include process descriptions or equations representing denitrification and some of those process descriptions include the portioning of denitrification between N<sub>2</sub>O and N<sub>2</sub>. All of the existing models have strengths and weaknesses in different areas. The goal of this Objective is to improve the N<sub>2</sub>O components of selected models and test the improvements using identified datasets. <br />
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