Warm nights in the Argentine pampas modelling its impact on wheat and barley shows yield reductions
Efforts to anticipate how climate change and variability will affect future crop production can benefit from understanding the impacts of current and historic changes. This study aimed to quantify and compare the impact of increased night temperature on potential yield and phenology of wheat (Tritic...
| Otros Autores: | , , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2018garcia.pdf LINK AL EDITOR |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
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| 245 | 1 | 0 | |a Warm nights in the Argentine pampas |b modelling its impact on wheat and barley shows yield reductions |
| 520 | |a Efforts to anticipate how climate change and variability will affect future crop production can benefit from understanding the impacts of current and historic changes. This study aimed to quantify and compare the impact of increased night temperature on potential yield and phenology of wheat (Triticum aestivum L.) and barley (Hordeum vulgare L.) crops modelled using APSIM with historical climate series (1961–2014) in sites representative of the Argentinean Pampas. For each site, the sowing date was adjusted to avoid frost and heat events at flowering, based on historical probability. The critical period was the more sensitive crop phase (shortened by 0.6 d decade−1) for the observed asymmetric warming; regional minimum temperature trend of ca. 0.14 and 0.16 °C decade−1 in wheat and barley, respectively. Wheat and barley yields declined across the region between ca. 2% and 9% per °C increase in the minimum temperature during the critical period, linked to lower cumulative radiation capture as a result of a shorter crop phase and lower incident radiation due to displacement towards winter. Regional variability in the simulated yield response to the observed night warming was mainly explained by differences the response of incident solar radiation during the critical period to the minimum temperature increase. | ||
| 653 | |a TEMPERATE CEREALS | ||
| 653 | |a CLIMATE CHANGE | ||
| 653 | |a MINIMUM TEMPERATURE | ||
| 653 | |a POTENTIAL YIELD | ||
| 653 | |a SIMULATION STUDY | ||
| 653 | |a SOLAR RADIATION | ||
| 700 | 1 | |a García, Guillermo Ariel |u Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Vegetal. Cátedra de Cerealicultura. Buenos Aires, Argentina. |u Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina. |u CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina. |9 29116 | |
| 700 | 1 | |9 6438 |a Miralles, Daniel Julio |u Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Vegetal. Cátedra de Cerealicultura. Buenos Aires, Argentina. |u Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina. |u CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina. | |
| 700 | 1 | |9 12536 |a Serrago, Román Augusto |u Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Vegetal. Cátedra de Cerealicultura. Buenos Aires, Argentina |u CONICET. Buenos Aires, Argentina. | |
| 700 | 1 | |9 21096 |a Alzueta, Ignacio |u Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Vegetal. Cátedra de Cerealicultura. Buenos Aires, Argentina. | |
| 700 | 1 | |a Huthd, Neil |u CSIRO Agriculture and Food. Queensland, Australia. |9 67567 | |
| 700 | 1 | |a Dreccer, María Fernanda |u CSIRO Agriculture and Food. Queensland, Australia. |9 23449 | |
| 773 | 0 | |t Agricultural Systems |w SECS48973 |g Vol.162 (2018), p.259-268, mapas, tbls., grafs. | |
| 856 | |f 2018garcia |i en reservorio |q application/pdf |u http://ri.agro.uba.ar/files/intranet/articulo/2018garcia.pdf |x ARTI201808 | ||
| 856 | |z LINK AL EDITOR |u http://www.elsevier.com | ||
| 942 | |c ARTICULO | ||
| 942 | |c ENLINEA | ||
| 976 | |a AAG | ||