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Title: Identifying opportunities to reduce greenhouse gas emissions for climate change mitigation in grain production systems in North West NSW using Life Cycle Assessment (LCA) approaches.
Contributor(s): Muir, Sally (author); Brock, Phillipa (author); Schwenke, Graeme (author); Herridge, David  (author)orcid ; Scott, Fiona (author); Madden, Patrick (author)
Publication Date: 2013
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Abstract: Greenhouse gas emission profiles for wheat production in North West NSW were modelled using LCA methodology with development of inventory processes. Calculated emissions for 1 tonne of wheat were 153, 179 and 205 kg CO₂-e for crops grown after chickpea, canola and wheat, respectively. Major contributions to the emissions came from the manufacturing, transport and soil emissions of urea fertiliser at 75, 101 and 119 kg CO₂-e per tonne after chickpea, canola and wheat. Opportunities to reduce emissions primarily involve incorporating legumes into a rotation schedule to reduce use of synthetic N fertilisers. Split application of N-fertiliser may reduce emissions in the longer term where N fertiliser is only applied as in-crop rainfall allows. Economic benefits such as fertiliser cost savings and grain protein gains may occur by undertaking these changes. Greenhouse gas emission profiles will provide grain growers with information about emission sources and potentially increase sustainability and profitability.
Publication Type: Conference Publication
Conference Name: 8th Life Cycle Conference: Pathways to Greening Global Markets, Sydney, Australia, 16th - 18th July, 2013
Conference Details: 8th Life Cycle Conference: Pathways to Greening Global Markets, Sydney, Australia, 16th - 18th July, 2013
Source of Publication: 8th Life Cycle Conference Program (Reviewed Paper), p. 1-9
Publisher: Australian Life Cycle Assessment Society (ALCAS)
Place of Publication: online
Field of Research (FOR): 070399 Crop and Pasture Production not elsewhere classified
070302 Agronomy
Socio-Economic Outcome Codes: 829802 Management of Greenhouse Gas Emissions from Plant Production
960302 Climate Change Mitigation Strategies
820507 Wheat
Peer Reviewed: Yes
HERDC Category Description: E1 Refereed Scholarly Conference Publication
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School of Environmental and Rural Science

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