N2O emissions due to nitrogen fertilizer applications in two regions of sugarcane cultivation in Brazil
Among the main greenhouse gases (CO2, CH4 and N2O), N2O has the highest global warming potential. N2O emission is mainly connected to agricultural activities, increasing as nitrogen concentrations increase in the soil with nitrogen fertilizer application. We evaluated N2O emissions due to applicatio...
| Autores principales: | , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
IOP Publishing
2013
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/52130 |
| _version_ | 1855534934736764928 |
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| author | Signor D Cerri, Carlos Eduardo Conant, Richard T. |
| author_browse | Cerri, Carlos Eduardo Conant, Richard T. Signor D |
| author_facet | Signor D Cerri, Carlos Eduardo Conant, Richard T. |
| author_sort | Signor D |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Among the main greenhouse gases (CO2, CH4 and N2O), N2O has the highest global warming potential. N2O emission is mainly connected to agricultural activities, increasing as nitrogen concentrations increase in the soil with nitrogen fertilizer application. We evaluated N2O emissions due to application of increasing doses of ammonium nitrate and urea in two sugarcane fields in the mid-southern region of Brazil: Piracicaba (São Paulo state) and Goianésia (Goiás state). In Piracicaba, N2O emissions exponentially increased with increasing N doses and were similar for urea and ammonium nitrate up to a dose of 107.9 kg ha−1 of N. From there on, emissions exponentially increased for ammonium nitrate, whereas for urea they stabilized. In Goianésia, N2O emissions were lower, although the behavior was similar to that at the Piracicaba site. Ammonium nitrate emissions increased linearly with N dose and urea emissions were adjusted to a quadratic equation with a maximum amount of 113.9 kg N ha−1. This first effort to measure fertilizer induced emissions in Brazilian sugarcane production not only helps to elucidate the behavior of N2O emissions promoted by different N sources frequently used in Brazilian sugarcane fields but also can be useful for future Brazilian ethanol carbon footprint studies. |
| format | Journal Article |
| id | CGSpace52130 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2013 |
| publishDateRange | 2013 |
| publishDateSort | 2013 |
| publisher | IOP Publishing |
| publisherStr | IOP Publishing |
| record_format | dspace |
| spelling | CGSpace521302024-05-01T08:18:53Z N2O emissions due to nitrogen fertilizer applications in two regions of sugarcane cultivation in Brazil Signor D Cerri, Carlos Eduardo Conant, Richard T. climate agriculture greenhouse gases nitrous oxide nitrogen fertilizers Among the main greenhouse gases (CO2, CH4 and N2O), N2O has the highest global warming potential. N2O emission is mainly connected to agricultural activities, increasing as nitrogen concentrations increase in the soil with nitrogen fertilizer application. We evaluated N2O emissions due to application of increasing doses of ammonium nitrate and urea in two sugarcane fields in the mid-southern region of Brazil: Piracicaba (São Paulo state) and Goianésia (Goiás state). In Piracicaba, N2O emissions exponentially increased with increasing N doses and were similar for urea and ammonium nitrate up to a dose of 107.9 kg ha−1 of N. From there on, emissions exponentially increased for ammonium nitrate, whereas for urea they stabilized. In Goianésia, N2O emissions were lower, although the behavior was similar to that at the Piracicaba site. Ammonium nitrate emissions increased linearly with N dose and urea emissions were adjusted to a quadratic equation with a maximum amount of 113.9 kg N ha−1. This first effort to measure fertilizer induced emissions in Brazilian sugarcane production not only helps to elucidate the behavior of N2O emissions promoted by different N sources frequently used in Brazilian sugarcane fields but also can be useful for future Brazilian ethanol carbon footprint studies. 2013-03-01 2014-12-16T06:37:34Z 2014-12-16T06:37:34Z Journal Article https://hdl.handle.net/10568/52130 en Open Access IOP Publishing Signor D, Cerri CEP, Conant R. 2013. N2O emissions due to nitrogen fertilizer applications in two regions of sugarcane cultivation in Brazil. Environmental Research Letters 8:015013. |
| spellingShingle | climate agriculture greenhouse gases nitrous oxide nitrogen fertilizers Signor D Cerri, Carlos Eduardo Conant, Richard T. N2O emissions due to nitrogen fertilizer applications in two regions of sugarcane cultivation in Brazil |
| title | N2O emissions due to nitrogen fertilizer applications in two regions of sugarcane cultivation in Brazil |
| title_full | N2O emissions due to nitrogen fertilizer applications in two regions of sugarcane cultivation in Brazil |
| title_fullStr | N2O emissions due to nitrogen fertilizer applications in two regions of sugarcane cultivation in Brazil |
| title_full_unstemmed | N2O emissions due to nitrogen fertilizer applications in two regions of sugarcane cultivation in Brazil |
| title_short | N2O emissions due to nitrogen fertilizer applications in two regions of sugarcane cultivation in Brazil |
| title_sort | n2o emissions due to nitrogen fertilizer applications in two regions of sugarcane cultivation in brazil |
| topic | climate agriculture greenhouse gases nitrous oxide nitrogen fertilizers |
| url | https://hdl.handle.net/10568/52130 |
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