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Role of vineyard practices in generating and mitigating greenhouse gas emissions

Role of vineyard practices in generating and mitigating greenhouse gas emissions Climate change is expected to have a significant impact on the wine industry, and as an industry, it is critical that practices are evaluated to ensure opportunities to mitigate greenhouse gas (GHG) emissions are identified. Data from Australian vineyards were examined and compared with international data to identify the sources of GHG emissions in viticulture. These were also compared with other annual and perennial agricultural crops to evaluate the relative emissions from viticulture. Fuel and electricity use are significant contributors to the total GHG emissions from viticulture (approximately 98%), with nitrous oxide emissions being low. The greatest opportunity to reduce GHG emissions from viticulture is the reduction of carbon‐based energy sources. Nitrous oxide emissions may be further reduced by modifying the timing of nitrogen fertiliser application. Soil carbon sequestration opportunities also exist, namely compost and mulch application; however, increase in soil carbon is only expected after many years of treatment. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Australian Journal of Grape and Wine Research Wiley

Role of vineyard practices in generating and mitigating greenhouse gas emissions

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Publisher
Wiley
Copyright
Copyright © 2015 Australian Society of Viticulture and Oenology Inc.
ISSN
1322-7130
eISSN
1755-0238
DOI
10.1111/ajgw.12197
Publisher site
See Article on Publisher Site

Abstract

Climate change is expected to have a significant impact on the wine industry, and as an industry, it is critical that practices are evaluated to ensure opportunities to mitigate greenhouse gas (GHG) emissions are identified. Data from Australian vineyards were examined and compared with international data to identify the sources of GHG emissions in viticulture. These were also compared with other annual and perennial agricultural crops to evaluate the relative emissions from viticulture. Fuel and electricity use are significant contributors to the total GHG emissions from viticulture (approximately 98%), with nitrous oxide emissions being low. The greatest opportunity to reduce GHG emissions from viticulture is the reduction of carbon‐based energy sources. Nitrous oxide emissions may be further reduced by modifying the timing of nitrogen fertiliser application. Soil carbon sequestration opportunities also exist, namely compost and mulch application; however, increase in soil carbon is only expected after many years of treatment.

Journal

Australian Journal of Grape and Wine ResearchWiley

Published: Dec 1, 2015

Keywords: ; ; ; ; ;

References