| |
|
|
|
Registro Completo |
|
Biblioteca(s): |
Embrapa Soja. |
|
Data corrente: |
21/03/2002 |
|
Data da última atualização: |
12/08/2004 |
|
Autoria: |
DESTRO, D.; MIGLIORANZA, E.; ARIAS, C. A. A.; VENDRAME, J. M.; ALMEIDA, J. C. V. de. |
|
Título: |
Main stem and tiller contribution to wheat cultivars yield under different irrigation regimes. |
|
Ano de publicação: |
2001 |
|
Fonte/Imprenta: |
Brazilian Archives of Biology and Technology, Curitiba, v. 44, n. 4, p. 325-330, dec. 2001. |
|
Idioma: |
Inglês |
|
Conteúdo: |
The present study was carried out to determine the contribution of main stems and tillers to the total yield of two wheat cultivars (Triticum aestivum L.), Cocoraque and BH-1146, under two water treatments: a) normal field conditions, and; b) irrigation, in Londrina, PR, Brazil. The experiment was an eight replication randomized complete block design with treatments arranged in split-plots. Data on total grain yield, main stem grain yield, tillers grain yield, the ratio between tiller and total grain yield, yield components and other 17 traits were collected. The cultivar BH-1146 had a higher total grain yield in relation to Cocoraque under normal field conditions; i, e., under water stress. Main stem grain yield responded positively and significantly to irrigation which was the main cause of increased yield in both cultivars. The tiller grain yield contributed little to the total yield. |
|
Thesagro: |
Irrigação; Trigo; Variedade. |
|
Categoria do assunto: |
-- |
|
URL: |
https://www.scielo.br/pdf/babt/v44n4/a01v44n4.pdf
|
|
Marc: |
LEADER 01515naa a2200205 a 4500
001 1445058
005 2004-08-12
008 2001 bl uuuu u00u1 u #d
100 1 $aDESTRO, D.
245 $aMain stem and tiller contribution to wheat cultivars yield under different irrigation regimes.
260 $c2001
520 $aThe present study was carried out to determine the contribution of main stems and tillers to the total yield of two wheat cultivars (Triticum aestivum L.), Cocoraque and BH-1146, under two water treatments: a) normal field conditions, and; b) irrigation, in Londrina, PR, Brazil. The experiment was an eight replication randomized complete block design with treatments arranged in split-plots. Data on total grain yield, main stem grain yield, tillers grain yield, the ratio between tiller and total grain yield, yield components and other 17 traits were collected. The cultivar BH-1146 had a higher total grain yield in relation to Cocoraque under normal field conditions; i, e., under water stress. Main stem grain yield responded positively and significantly to irrigation which was the main cause of increased yield in both cultivars. The tiller grain yield contributed little to the total yield.
650 $aIrrigação
650 $aTrigo
650 $aVariedade
700 1 $aMIGLIORANZA, E.
700 1 $aARIAS, C. A. A.
700 1 $aVENDRAME, J. M.
700 1 $aALMEIDA, J. C. V. de
773 $tBrazilian Archives of Biology and Technology, Curitiba$gv. 44, n. 4, p. 325-330, dec. 2001.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Soja (CNPSO) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
|
 | Acesso ao texto completo restrito à biblioteca da Embrapa Cocais. Para informações adicionais entre em contato com cpacp.biblioteca@embrapa.br. |
Registro Completo
|
Biblioteca(s): |
Embrapa Cocais. |
|
Data corrente: |
24/11/2011 |
|
Data da última atualização: |
24/11/2011 |
|
Tipo da produção científica: |
Resumo em Anais de Congresso |
|
Autoria: |
FREITAS, A. C. R. de; CAVIGELLI, M. A.; MARTIN NETO, L.; SALAS, W. |
|
Afiliação: |
ANTONIO CARLOS REIS DE FREITAS, CPACP; MICHEL A. CAVIGELLI, USDA/ARS Sustainable Agricultural Systems Laboratory, Beltsville Agricultural Research Center.; LADISLAU MARTIN NETO, SRI; WILLIAM SALAS, Applied Geosolutions. |
|
Título: |
Modeling nitrous oxide fluxes in conventional and organic cropping systems using the DNDC model. |
|
Ano de publicação: |
2011 |
|
Fonte/Imprenta: |
In: Fundamental for life: Soil, Crop and Environmental Sciences, 2011. San Antonio, TX: ASA/CSSA/SSSA International Annual Meetings; Canadian Society of Soil Science, 2011. |
|
Páginas: |
1 p. |
|
Idioma: |
Inglês |
|
Notas: |
Resumo expandido. |
|
Conteúdo: |
The atmospheric concentration of nitrous oxide (N2O), an important greenhouse gas and natural catalyst of stratospheric ozone decay, is increasing, and agricultural soils are the main source of this increase. It is commonly recognized that mathematical models are needed to predict soil N2O emissions in light of the complex set of interacting factors regulating N2O emissions from soils. Existing models have not been widely tested in diverse agricultural systems. We compared soil N2O emissions predicted using a process based model, Denitrification-Decomposition (DNDC), with N2O emissions data collected between 2005 and 2007 from the long-term USDA-ARS Farming Systems Project (FSP) in Beltsville, Maryland. |
|
Palavras-Chave: |
Desnitrificação de decomposição. |
|
Thesagro: |
Solo. |
|
Thesaurus NAL: |
Nitrous oxide. |
|
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
|
Marc: |
LEADER 01461nam a2200205 a 4500
001 1907104
005 2011-11-24
008 2011 bl uuuu u00u1 u #d
100 1 $aFREITAS, A. C. R. de
245 $aModeling nitrous oxide fluxes in conventional and organic cropping systems using the DNDC model.$h[electronic resource]
260 $aIn: Fundamental for life: Soil, Crop and Environmental Sciences, 2011. San Antonio, TX: ASA/CSSA/SSSA International Annual Meetings; Canadian Society of Soil Science$c2011
300 $a1 p.
500 $aResumo expandido.
520 $aThe atmospheric concentration of nitrous oxide (N2O), an important greenhouse gas and natural catalyst of stratospheric ozone decay, is increasing, and agricultural soils are the main source of this increase. It is commonly recognized that mathematical models are needed to predict soil N2O emissions in light of the complex set of interacting factors regulating N2O emissions from soils. Existing models have not been widely tested in diverse agricultural systems. We compared soil N2O emissions predicted using a process based model, Denitrification-Decomposition (DNDC), with N2O emissions data collected between 2005 and 2007 from the long-term USDA-ARS Farming Systems Project (FSP) in Beltsville, Maryland.
650 $aNitrous oxide
650 $aSolo
653 $aDesnitrificação de decomposição
700 1 $aCAVIGELLI, M. A.
700 1 $aMARTIN NETO, L.
700 1 $aSALAS, W.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Cocais (CPACP) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
| Expressão de busca inválida. Verifique!!! |
|
|
