| Registro completo |
| Provedor de dados: |
86
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| País: |
Brazil
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| Título: |
Climate change and future scenarios for palisade grass production in the state of São Paulo, Brazil
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| Autores: |
Andrade,André Santana
Santos,Patricia Menezes
Pezzopane,José Ricardo Macedo
Bettiol,Giovana Maranhão
Evangelista,Sílvio Roberto Medeiros
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| Data: |
2014-10-01
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| Ano: |
2014
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| Palavras-chave: |
Brachiaria brizantha
Urochloa brizantha
Empirical model
ETA
Precis
Tropical grass.
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| Resumo: |
The objective of this work was to analyze future scenarios for palisade grass yield subjected to climate change for the state of São Paulo, Brazil. An empirical crop model was used to estimate yields, according to growing degree-days adjusted by one drought attenuation factor. Climate data from 1963 to 2009 of 23 meteorological stations were used for current climate conditions. Downscaled outputs of two general circulation models were used to project future climate for the 2013-2040 and 2043-2070 periods, considering two contrasting scenarios of temperature and atmospheric CO2 concentration increase (high and low). Annual dry matter yield should be from 14 to 42% higher than the current one, depending on the evaluated scenario. Yield variation between seasons (seasonality) and years is expected to increase. The increase of dry matter accumulation will be higher in the rainy season than in the dry season, and this result is more evident for soils with low-water storage capacity. The results varied significantly between regions (<10% to >60%). Despite their higher climate potential, warmer regions will probably have a lower increase in future forage production.
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Inglês
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| Identificador: |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2014001000745
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| Editor: |
Embrapa Secretaria de Pesquisa e Desenvolvimento
Pesquisa Agropecuária Brasileira
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| Relação: |
10.1590/S0100-204X2014001000001
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| Formato: |
text/html
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| Fonte: |
Pesquisa Agropecuária Brasileira v.49 n.10 2014
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| Direitos: |
info:eu-repo/semantics/openAccess
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