The role of nutrient management in mitigation

Helen C Flynn

Research output: Other contribution

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Abstract

Nitrous oxide (N2O) emissions from soils are responsible for about 3 percent of greenhouse gas (GHG) emissions, which cause climate change, and contribute approximately one-third of non-CO2 agricultural GHG emissions. N2O is produced by microbial transformations of nitrogen in the soil, under both aerobic and anaerobic conditions. Therefore, emissions are often directly related to nutrients added to the soil in the form of mineral fertilizers and animal manure. These additions can be vital in maintaining soil fertility and crop production; about half of the world’s population is dependent on food produced strictly because of mineral fertilizer inputs. However, the additions are also highly inefficient, leading to nitrogen losses via leaching, volatilization, and emissions to the atmosphere. By helping to maximize crop-nitrogen uptake, improved nutrient management has a significant and cost-effective role to play in mitigating GHG emissions from agriculture. Nutrient management can also help reduce methane (CH4) emissions from rice production and increase carbon sequestration in agricultural soils.
Original languageEnglish
TypePolicy briefing document for Copenhagen climate change negotiations
PublisherInternational Food Policy Research Institute
Number of pages2
Place of PublicationWashington
Publication statusPublished - May 2009

Publication series

NameFocus (International Food Policy Research Institute)
PublisherInternational Food Policy Research Institute
No.7
Volume16

Fingerprint

mitigation
nutrient
greenhouse gas
nitrogen
fertilizer
soil
mineral
nutrient uptake
oxic conditions
volatilization
nitrous oxide
agricultural soil
crop production
soil fertility
carbon sequestration
anoxic conditions
manure
rice
methane
leaching

Cite this

Flynn, H. C. (2009, May). The role of nutrient management in mitigation. Washington: International Food Policy Research Institute.

The role of nutrient management in mitigation. / Flynn, Helen C.

2 p. Washington : International Food Policy Research Institute. 2009, Policy briefing document for Copenhagen climate change negotiations. (Focus (International Food Policy Research Institute); Vol. 16, No. 7).

Research output: Other contribution

Flynn, HC 2009, The role of nutrient management in mitigation. International Food Policy Research Institute, Washington.
Flynn, Helen C. / The role of nutrient management in mitigation. 2009. Washington : International Food Policy Research Institute. 2 p. (Focus (International Food Policy Research Institute); 7).
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