Study reveals low nitrous oxide emission factor in sugarcane fields

By Fábio de Castro
Agência FAPESP – A percentage of the nitrogen contained in the main fertilizers utilized in agriculture is lost to the atmosphere in the form of nitrous oxide (N20), the most potent greenhouse gas. According to international studies, if this percentage is above a certain limit in sugarcane crops, Brazilian ethanol will have its environmental benefits nullified by the N2O emissions and cannot be considered a clean fuel.

Conducting an empirical study on the N2O emissions in sugarcane fields for the first time, a group of Brazilian researchers demonstrated that the emission factor of the nitrogen fertilizers used in sugarcane production is lower than the guidelines set forth by the Intergovernmental Panel on Climate Change (IPCC), strengthening the favorable arguments regarding the sustainability of ethanol.

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Source and Photo: FAPESP, August 29th, 2012
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One response to “Study reveals low nitrous oxide emission factor in sugarcane fields

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