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Registro Completo |
Biblioteca(s): |
Embrapa Cerrados. |
Data corrente: |
11/11/2002 |
Data da última atualização: |
21/11/2011 |
Autoria: |
NOGUEIRA, E. S.; WANDERLEY, J. M.; PINA-RODRIGUES, F. C. M.; SANTOS, A. L. F. |
Título: |
Efeito da embalagem e do periodo de armazenamento na germinação de sementes de ipe cinco-chagas (Sparattosperma leucathum (Vell.) Schum)- Bignoniaceae. |
Ano de publicação: |
2001 |
Fonte/Imprenta: |
Informativo ABRATES, Brasília, v. 11, n. 2, p. 267, 2001. |
Idioma: |
Português |
Palavras-Chave: |
Ipê cinco chagas; Sparatosperma leucanthum. |
Thesagro: |
Armazenamento; Cerrado; Semente. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00680naa a2200205 a 4500 001 1565684 005 2011-11-21 008 2001 bl --- 0-- u #d 100 1 $aNOGUEIRA, E. S. 245 $aEfeito da embalagem e do periodo de armazenamento na germinação de sementes de ipe cinco-chagas (Sparattosperma leucathum (Vell.) Schum)- Bignoniaceae. 260 $c2001 650 $aArmazenamento 650 $aCerrado 650 $aSemente 653 $aIpê cinco chagas 653 $aSparatosperma leucanthum 700 1 $aWANDERLEY, J. M. 700 1 $aPINA-RODRIGUES, F. C. M. 700 1 $aSANTOS, A. L. F. 773 $tInformativo ABRATES, Brasília$gv. 11, n. 2, p. 267, 2001.
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Registro Completo
Biblioteca(s): |
Embrapa Trigo. |
Data corrente: |
15/09/1999 |
Data da última atualização: |
15/09/1999 |
Autoria: |
CUNHA, G. R. da; DALMAGO, G. A.; ESTEFANEL, V. |
Afiliação: |
1 EMBRAPA-CNPT; 2 CNPq-AP; 3 UFSM, Santa Maria. |
Título: |
ENSO influences on wheat crop in Brazil. |
Título original: |
Influências do fenômeno Enso sobre a cultura de trigo no Brasil. |
Ano de publicação: |
1999 |
Fonte/Imprenta: |
Revista Brasileira de Agrometeorologia, Santa Maria, v. 7, n. 1, p. 127-138, jan./jun. 1999. |
Idioma: |
Inglês |
Conteúdo: |
The El Niño-Southern Oscillation (ENSO) phenomenon or just El Niño, as commonly called, influences the climatic behavior in different areas of the world. In the case of Brazil, this phenomenon affects the northern part of the Northeast Region, the eastern Amazon (in the tropical area) and the extra-tropical area of the Southern Region. The climatic variability associated with the ENSO phenomenon phases, especially rainfall anomalies, may be quantified and this information can be effectively used by crop managers to reduce associated risks or to make better use of forthcoming favorable climatic conditions. The objective of this study was to identify the ENSO phases influencing wheat production in Brazil. The impact of these phases on grain yield was based on a historical series of yield data from 1920 to 1997. For 23 El Niño occurrences analyzed at national level, the deviations in wheat yield was negative in 61% of the cases. For 15 La Niña events, positive influences on wheat yields were observed in 73% of the cases. In the 40 neutral years, 55% of the time yield deviations were positive and 45% of the time were negative. Therefore, the ENSO phenomenon influences wheat yield in Brazil. In general, it causes positive impacts in La Niña years and negative impacts in El Niño years, particularly in the Southern part of the country. |
Palavras-Chave: |
Anomalia climática; Enso; Índice de Oscilação do Sul. |
Thesagro: |
Clima; Trigo. |
Thesaurus NAL: |
El Nino; La Nina. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02053naa a2200241 a 4500 001 1822441 005 1999-09-15 008 1999 bl uuuu u00u1 u #d 100 1 $aCUNHA, G. R. da 240 $aInfluências do fenômeno Enso sobre a cultura de trigo no Brasil. 245 $aENSO influences on wheat crop in Brazil. 260 $c1999 520 $aThe El Niño-Southern Oscillation (ENSO) phenomenon or just El Niño, as commonly called, influences the climatic behavior in different areas of the world. In the case of Brazil, this phenomenon affects the northern part of the Northeast Region, the eastern Amazon (in the tropical area) and the extra-tropical area of the Southern Region. The climatic variability associated with the ENSO phenomenon phases, especially rainfall anomalies, may be quantified and this information can be effectively used by crop managers to reduce associated risks or to make better use of forthcoming favorable climatic conditions. The objective of this study was to identify the ENSO phases influencing wheat production in Brazil. The impact of these phases on grain yield was based on a historical series of yield data from 1920 to 1997. For 23 El Niño occurrences analyzed at national level, the deviations in wheat yield was negative in 61% of the cases. For 15 La Niña events, positive influences on wheat yields were observed in 73% of the cases. In the 40 neutral years, 55% of the time yield deviations were positive and 45% of the time were negative. Therefore, the ENSO phenomenon influences wheat yield in Brazil. In general, it causes positive impacts in La Niña years and negative impacts in El Niño years, particularly in the Southern part of the country. 650 $aEl Nino 650 $aLa Nina 650 $aClima 650 $aTrigo 653 $aAnomalia climática 653 $aEnso 653 $aÍndice de Oscilação do Sul 700 1 $aDALMAGO, G. A. 700 1 $aESTEFANEL, V. 773 $tRevista Brasileira de Agrometeorologia, Santa Maria$gv. 7, n. 1, p. 127-138, jan./jun. 1999.
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