resumen
Abstract
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
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dc.contributor.author | Chalco Vera, Jorge Elías | |
dc.contributor.author | Portocarrero, Rocio | |
dc.contributor.author | Piñeiro, Gervasio | |
dc.contributor.author | Acreche, Martin Moises | |
dc.date.accessioned | 2021-12-09T10:25:07Z | |
dc.date.available | 2021-12-09T10:25:07Z | |
dc.date.issued | 2021-11 | |
dc.identifier.issn | 1385-1314 | |
dc.identifier.issn | 1573-0867 | |
dc.identifier.other | https://doi.org/10.1007/s10705-021-10180-3 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12123/10869 | |
dc.identifier.uri | https://link.springer.com/article/10.1007/s10705-021-10180-3 | |
dc.description.abstract | 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. | eng |
dc.format | application/pdf | es_AR |
dc.language.iso | eng | es_AR |
dc.publisher | Springer | es_AR |
dc.relation | info:eu-repograntAgreement/INTA/PNIND-1108064/AR./Bases ecofisiológicas del mejoramiento y sistemas de cultivo. | es_AR |
dc.relation | info:eu-repograntAgreement/INTA/PNNAT-1128023/AR./Emisiones de gases con efecto invernadero. | es_AR |
dc.rights | info:eu-repo/semantics/restrictedAccess | es_AR |
dc.source | Nutrient Cycling in Agroecosystems (Published: 30 November 2021) | es_AR |
dc.subject | Caña de Azúcar | es_AR |
dc.subject | Sugar Cane | eng |
dc.subject | Nitrógeno | es_AR |
dc.subject | Nitrogen | eng |
dc.subject | Óxido Nitroso | es_AR |
dc.subject | Nitrous Oxide | eng |
dc.subject | Rendimiento | es_AR |
dc.subject | Yields | eng |
dc.subject | Emisiones de Gases de Efecto Invernadero | es_AR |
dc.subject | Greenhouse Gas Emissions | eng |
dc.title | Increases in nitrogen use efficiency decrease nitrous oxide emissions but can penalize yield in sugarcane | es_AR |
dc.type | info:ar-repo/semantics/artículo | es_AR |
dc.type | info:eu-repo/semantics/article | es_AR |
dc.type | info:eu-repo/semantics/publishedVersion | es_AR |
dc.description.origen | EEA Salta | es_AR |
dc.description.fil | Fil: Chalco Vera, Jorge Elias. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Salta; Argentina. | es_AR |
dc.description.fil | Fil: Chalco Vera, Jorge Elias. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina | es_AR |
dc.description.fil | Fil: Portocarrero, Rocio. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Famaillá; Argentina | es_AR |
dc.description.fil | Fil: Portocarrero, Rocio. Universidad Nacional de Tucumán. Facultad de Agronomía y Zootecnia; Argentina | es_AR |
dc.description.fil | Fil: Piñeiro, Gervasio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina | es_AR |
dc.description.fil | Fil: Piñeiro, Gervasio. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas vinculadas a la Agricultura; Argentina | es_AR |
dc.description.fil | Fil: Acreche, Martin Moises. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Salta; Argentina | es_AR |
dc.description.fil | Fil: Acreche, Martin Moises. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina | es_AR |
dc.subtype | cientifico |
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