NDLI: The Greenhouse Gas Balance of a Dairy Farm as Influenced by the Uptake of Biogas Production

Content Provider	Springer Nature Link
Author	Dieterich, Burkart Finnan, John Hochstrasser, Tamara Müller, Christoph
Copyright Year	2013
Abstract	The production of energy crops for farm-scale anaerobic digestion (AD) can affect emissions of greenhouse gases (GHG) in a number of ways. Some examples are: fugitive CH$_{4}$ emissions from the digester and the storage of the digestate, emissions of N$_{2}$O from soil and emissions of CO$_{2}$ from farm machinery. Moreover, uptake of AD may be accompanied by changes in the way the farm is operated, which may affect GHG emissions. The scale of these emissions was assessed from published data for the biogas feedstocks cattle slurry and grass silage. Emissions were compared to references representing current farm operation and energy generation by fossil fuels. Feeding the digester with cattle slurry for the entire year did not result in reduced emissions due to relatively high emissions from stored raw slurry in summer. If grass was used for digester feedstock, the level of N$_{2}$O emissions from the crop was the most important factor for the GHG balance of farm-scale AD. If N$_{2}$O emissions were low, biogas realised substantial savings of GHG in the order of 1 t CO$_{2}$ equivalents per hectare per year. At a high level of N$_{2}$O emissions, energy cropping might even result in increased GHG emissions compared to fossil fuels.
Starting Page	95
Ending Page	109
Page Count	15
File Format	PDF
ISSN	19391234
Journal	BioEnergy Research
Volume Number	7
Issue Number	1
e-ISSN	19391242
Language	English
Publisher	Springer US
Publisher Date	2013-07-09
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Greenhouse gases Bioenergy Biogas Fertilisation Plant Sciences Plant Genetics & Genomics Plant Breeding/Biotechnology Plant Ecology Wood Science & Technology
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment Agronomy and Crop Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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