Greenhouse gas emissions and mitigation potential from fertilizer manufacture and application in India

Reyes Tirado, S. R. Gopikrishna, Rajesh Krishnan, Pete Smith

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Synthetic nitrogen (N) fertilizers, by both very energy-intensive manufacture and inefficient N use in farm soils, contribute rationally to emissions of greenhouse gases (GHGs) and, thus, climate change. India consumes similar to 14Mt of synthetic N per year, of which about 80 per cent is produced, and is the second-largest producer and consumer in the world, after China. We estimate that GHG emissions from synthetic N fertilizer in India reached similar to 100Mt of carbon dioxide equivalent (CO2-e) in 2006/2007; about half of these emissions resulted from the 11 Mt of synthetic N produced in the country that year (48Mt of CO2-e) and the other half resulted from the 14Mt of N applied to Indian farm soils in the same year (51 Mt of CO2-e, ranging between 28 and 1 63Mt of CO2-e). Emissions from synthetic N fertilizers represent 6 per cent of India's total anthropogenic emissions, comparable to cement industry and to the whole road transport system. There is significant potential to mitigate these emissions: savings from increased N use efficiency and from shifting away from synthetic fertilizer could reduce total fertilizers emissions to 37Mt of CO2-e, and the contribution of fertilizers to India's emissions would drop from 6 to 2 per cent.

Original languageEnglish
Pages (from-to)176-185
Number of pages10
JournalInternational Journal of Agricultural Sustainability
Volume8
Issue number3
DOIs
Publication statusPublished - Aug 2010

Keywords

  • climate change mitigation potential
  • ecological farming
  • greenhouse gas emissions
  • nitrous oxide
  • synthetic nitrogen fertilizer
  • nitrous-oxide emissions
  • agricultural systems
  • DNDC model
  • rice
  • methane
  • soil
  • management
  • inventory
  • wheat
  • efficiency

Cite this

Greenhouse gas emissions and mitigation potential from fertilizer manufacture and application in India. / Tirado, Reyes; Gopikrishna, S. R.; Krishnan, Rajesh; Smith, Pete.

In: International Journal of Agricultural Sustainability, Vol. 8, No. 3, 08.2010, p. 176-185.

Research output: Contribution to journalArticle

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