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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
10/06/1999 |
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Data da última atualização: |
19/06/2019 |
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Autoria: |
AZEVEDO, D. M. P. de; LANDIVAR, J.; VIEIRA, R. M.; MOSELEY, D. |
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Afiliação: |
DEMÓSTENES MARCOS PEDROSA DE AZEVEDO, CNPA; JUAN LANDIVAR, Texas A&M University Agricultural Research & Extension Center; ROBSON MACEDO VIEIRA, CNPA; DARYL MOSELEY, Texas A&M University Agricultural Research & Extension Center. |
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Título: |
The effect of cover crop and crop rotation on soil water storage and on sorghum yield. |
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Ano de publicação: |
1999 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 34, n. 3, p. 391-98, mar. 1999 |
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Idioma: |
Inglês |
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Notas: |
Título em português: Efeito de cultura de cobertura e de rotação de cultura no armazenamento de água do solo e no rendimento de sorgo. |
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Conteúdo: |
Crop rotation and cover crop can be important means for enhancing crop yield in rainfed areas such as the lower Coastal Bend Region of Texas, USA. A trial was conducted in 1995 as part of a long-term cropping experiment (7 years) to investigate the effect of oat (Avena sativa L.) cover and rotation on soil water storage and yield of sorghum (Sorghum bicolor L.). The trial design was a RCB in a split-plot arrangement with four replicates. Rotation sequences were the main plots and oat cover crop the subplots. Cover crop reduced sorghum grain yield. This effect was attibuted to a reduced concentration of availabre soil N and less soil water storage under this treatment. By delaying cover termination, the residue with a high C/N acted as an N sink through competition and/or immobilization instead of an N source to sorghum plants. Crop rotation had a significantly positive effect on sorghum yield and this effect was attributed to a significantly larger amount of N concentration under these rotation sequences. |
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Palavras-Chave: |
Rotation sequence; Sequencia de rotacao; Soybean. |
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Thesagro: |
Algodão; Soja. |
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Thesaurus Nal: |
cotton. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/AI-SEDE/15016/1/pab97109ing.pdf
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Marc: |
LEADER 01827naa a2200241 a 4500
001 1099318
005 2019-06-19
008 1999 bl uuuu u00u1 u #d
100 1 $aAZEVEDO, D. M. P. de
245 $aThe effect of cover crop and crop rotation on soil water storage and on sorghum yield.
260 $c1999
500 $aTítulo em português: Efeito de cultura de cobertura e de rotação de cultura no armazenamento de água do solo e no rendimento de sorgo.
520 $aCrop rotation and cover crop can be important means for enhancing crop yield in rainfed areas such as the lower Coastal Bend Region of Texas, USA. A trial was conducted in 1995 as part of a long-term cropping experiment (7 years) to investigate the effect of oat (Avena sativa L.) cover and rotation on soil water storage and yield of sorghum (Sorghum bicolor L.). The trial design was a RCB in a split-plot arrangement with four replicates. Rotation sequences were the main plots and oat cover crop the subplots. Cover crop reduced sorghum grain yield. This effect was attibuted to a reduced concentration of availabre soil N and less soil water storage under this treatment. By delaying cover termination, the residue with a high C/N acted as an N sink through competition and/or immobilization instead of an N source to sorghum plants. Crop rotation had a significantly positive effect on sorghum yield and this effect was attributed to a significantly larger amount of N concentration under these rotation sequences.
650 $acotton
650 $aAlgodão
650 $aSoja
653 $aRotation sequence
653 $aSequencia de rotacao
653 $aSoybean
700 1 $aLANDIVAR, J.
700 1 $aVIEIRA, R. M.
700 1 $aMOSELEY, D.
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 34, n. 3, p. 391-98, mar. 1999
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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Registro Completo
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
18/10/1994 |
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Data da última atualização: |
08/05/2024 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
RIOS, G. P.; VIEIRA, N. E.; WATT, E. E. |
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Afiliação: |
GERSON PEREIRA RIOS, CNPAF. |
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Título: |
Avaliação de cultivares de caupi para resistência ao oídio (Erysiphe polygoni). |
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Ano de publicação: |
1987 |
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Fonte/Imprenta: |
In: REUNIÃO NACIONAL DE PESQUISA DE CAUPI, 2., 1987, Goianira. Resumos... Brasília, DF: EMBRAPA-CNPAF, 1987. |
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Páginas: |
p. 29. |
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Série: |
(EMBRAPA-CNPAF. Documentos, 21). |
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ISSN: |
0101-9716 |
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Idioma: |
Português |
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Palavras-Chave: |
Caupi; Cultivar. |
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Thesagro: |
Doença; Erysiphe Polygoni; Fungo; Oídio; Resistência; Vigna Unguiculata. |
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Categoria do assunto: |
H Saúde e Patologia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/197606/1/p29.pdf
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Marc: |
LEADER 00768nam a2200253 a 4500
001 1197606
005 2024-05-08
008 1987 bl uuuu u00u1 u #d
022 $a0101-9716
100 1 $aRIOS, G. P.
245 $aAvaliação de cultivares de caupi para resistência ao oídio (Erysiphe polygoni).$h[electronic resource]
260 $aIn: REUNIÃO NACIONAL DE PESQUISA DE CAUPI, 2., 1987, Goianira. Resumos... Brasília, DF: EMBRAPA-CNPAF$c1987
300 $ap. 29.
490 $a(EMBRAPA-CNPAF. Documentos, 21).
650 $aDoença
650 $aErysiphe Polygoni
650 $aFungo
650 $aOídio
650 $aResistência
650 $aVigna Unguiculata
653 $aCaupi
653 $aCultivar
700 1 $aVIEIRA, N. E.
700 1 $aWATT, E. E.
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Embrapa Arroz e Feijão (CNPAF) |
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