Increases in nitrogen use efficiency decrease nitrous oxide emissions but can penalize yield in sugarcane
Nitrogen (N) fertilization strategies focused on increasing nitrogen use efficiency (NUE) and decreasing nitrous oxide (N2O) emissions are important for sustainable crop production. In sugarcane, however, a joint assessment of NUE, N2O emissions and yield is still required. We aimed to establish, in...
| Autores principales: | , , , |
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| Formato: | info:ar-repo/semantics/artículo |
| Lenguaje: | Inglés |
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Springer
2021
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/10869 https://link.springer.com/article/10.1007/s10705-021-10180-3 https://doi.org/10.1007/s10705-021-10180-3 |
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| author | Chalco Vera, Jorge Elías Portocarrero, Rocio Piñeiro, Gervasio Acreche, Martin Moises |
| author_browse | Acreche, Martin Moises Chalco Vera, Jorge Elías Piñeiro, Gervasio Portocarrero, Rocio |
| author_facet | Chalco Vera, Jorge Elías Portocarrero, Rocio Piñeiro, Gervasio Acreche, Martin Moises |
| author_sort | Chalco Vera, Jorge Elías |
| collection | INTA Digital |
| description | Nitrogen (N) fertilization strategies focused on increasing nitrogen use efficiency (NUE) and decreasing nitrous oxide (N2O) emissions are important for sustainable crop production. In sugarcane, however, a joint assessment of NUE, N2O emissions and yield is still required. We aimed to establish, in a subtropical sugarcane cropping system, if variations in NUE (by decreasing rates or changing formulations of N fertilization) allow decreasing N2O emissions and, to what extent, yield is penalized. Four fertilization treatments were used: without fertilizer, with low and high urea fertilization (55 and 110 kg N ha−1) and with ammonium nitrate fertilization (110 kg N ha−1). There was a significant negative relationship between N2O emissions and NUE. At high N rates (110 kgN ha−1) ammonium nitrate produced 37% higher cumulative N2O emissions and 13 and 12% lower NUE and cane yield, respectively, than urea. The highest N2O emissions of the ammonium nitrate treatment occurred within 48 hs after N fertilization and were mainly associated with the direct addition of nitrate (NO3−–N). Results showed that, for the environmental conditions of Tucuman (Argentina), NUE above 160 kg of cane per kg of N available in soil penalized cane yield, whereas NUE below 140 kg of cane per kg of N available in soil penalized N2O emission abatement. |
| format | info:ar-repo/semantics/artículo |
| id | INTA10869 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2021 |
| publishDateRange | 2021 |
| publishDateSort | 2021 |
| publisher | Springer |
| publisherStr | Springer |
| record_format | dspace |
| spelling | INTA108692021-12-09T10:27:36Z Increases in nitrogen use efficiency decrease nitrous oxide emissions but can penalize yield in sugarcane Chalco Vera, Jorge Elías Portocarrero, Rocio Piñeiro, Gervasio Acreche, Martin Moises Caña de Azúcar Nitrógeno Óxido Nitroso Rendimiento Emisiones de Gases de Efecto Invernadero Sugar Cane Nitrogen Nitrous Oxide Yields Greenhouse Gas Emissions Nitrogen (N) fertilization strategies focused on increasing nitrogen use efficiency (NUE) and decreasing nitrous oxide (N2O) emissions are important for sustainable crop production. In sugarcane, however, a joint assessment of NUE, N2O emissions and yield is still required. We aimed to establish, in a subtropical sugarcane cropping system, if variations in NUE (by decreasing rates or changing formulations of N fertilization) allow decreasing N2O emissions and, to what extent, yield is penalized. Four fertilization treatments were used: without fertilizer, with low and high urea fertilization (55 and 110 kg N ha−1) and with ammonium nitrate fertilization (110 kg N ha−1). There was a significant negative relationship between N2O emissions and NUE. At high N rates (110 kgN ha−1) ammonium nitrate produced 37% higher cumulative N2O emissions and 13 and 12% lower NUE and cane yield, respectively, than urea. The highest N2O emissions of the ammonium nitrate treatment occurred within 48 hs after N fertilization and were mainly associated with the direct addition of nitrate (NO3−–N). Results showed that, for the environmental conditions of Tucuman (Argentina), NUE above 160 kg of cane per kg of N available in soil penalized cane yield, whereas NUE below 140 kg of cane per kg of N available in soil penalized N2O emission abatement. EEA Salta Fil: Chalco Vera, Jorge Elias. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Salta; Argentina. Fil: Chalco Vera, Jorge Elias. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Portocarrero, Rocio. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Famaillá; Argentina Fil: Portocarrero, Rocio. Universidad Nacional de Tucumán. Facultad de Agronomía y Zootecnia; Argentina Fil: Piñeiro, Gervasio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Piñeiro, Gervasio. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas vinculadas a la Agricultura; Argentina Fil: Acreche, Martin Moises. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Salta; Argentina Fil: Acreche, Martin Moises. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina 2021-12-09T10:25:07Z 2021-12-09T10:25:07Z 2021-11 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/10869 https://link.springer.com/article/10.1007/s10705-021-10180-3 1385-1314 1573-0867 https://doi.org/10.1007/s10705-021-10180-3 eng info:eu-repograntAgreement/INTA/PNIND-1108064/AR./Bases ecofisiológicas del mejoramiento y sistemas de cultivo. info:eu-repograntAgreement/INTA/PNNAT-1128023/AR./Emisiones de gases con efecto invernadero. info:eu-repo/semantics/restrictedAccess application/pdf Springer Nutrient Cycling in Agroecosystems (Published: 30 November 2021) |
| spellingShingle | Caña de Azúcar Nitrógeno Óxido Nitroso Rendimiento Emisiones de Gases de Efecto Invernadero Sugar Cane Nitrogen Nitrous Oxide Yields Greenhouse Gas Emissions Chalco Vera, Jorge Elías Portocarrero, Rocio Piñeiro, Gervasio Acreche, Martin Moises Increases in nitrogen use efficiency decrease nitrous oxide emissions but can penalize yield in sugarcane |
| title | Increases in nitrogen use efficiency decrease nitrous oxide emissions but can penalize yield in sugarcane |
| title_full | Increases in nitrogen use efficiency decrease nitrous oxide emissions but can penalize yield in sugarcane |
| title_fullStr | Increases in nitrogen use efficiency decrease nitrous oxide emissions but can penalize yield in sugarcane |
| title_full_unstemmed | Increases in nitrogen use efficiency decrease nitrous oxide emissions but can penalize yield in sugarcane |
| title_short | Increases in nitrogen use efficiency decrease nitrous oxide emissions but can penalize yield in sugarcane |
| title_sort | increases in nitrogen use efficiency decrease nitrous oxide emissions but can penalize yield in sugarcane |
| topic | Caña de Azúcar Nitrógeno Óxido Nitroso Rendimiento Emisiones de Gases de Efecto Invernadero Sugar Cane Nitrogen Nitrous Oxide Yields Greenhouse Gas Emissions |
| url | http://hdl.handle.net/20.500.12123/10869 https://link.springer.com/article/10.1007/s10705-021-10180-3 https://doi.org/10.1007/s10705-021-10180-3 |
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