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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
08/09/1993 |
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Data da última atualização: |
08/09/1993 |
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Autoria: |
RABE, E. |
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Afiliação: |
University of Stellenbosch, Stellenbosch 7600 H P van der Walt, Outspan Citrus Centre, P O Box 28, Nelspruit 1200. |
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Título: |
Yield inprovenent in Shamouti orange trees in a subtropical climate. |
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Ano de publicação: |
1993 |
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Fonte/Imprenta: |
Citros Journal. v.3, n.3, p.23-26,1993. |
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ISBN: |
1018 - 953 X |
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Idioma: |
Inglês |
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Conteúdo: |
The Shamouti orange is a shy-bearing cultivar under subtropical conditions, especially in the early years of production. This may be associated with a general lack of adequate flowering intensitiy. Ezport market potential exists for this cultivar and increased plantings are advocated, provided methods can be developed for improving yield, particularly in young orchards. We have conducted trials in three orchards over two production seasons aimed at increasing yield by fail-applied paclobutrazol and girdling and treatments. Significant (p < 0, 05) yield increases were obtained with faliarapplied low biuret urea (two 1% sprays, one week apart, six to eight weeks pre-blossom) in a mature orchard. This was not found in a younf orchard where flower intesity waslimiting. Girdling, at full bolossom (FB) or eight weeks before FB, also resulted in increased yields where N levels were adequate. Our data indicate that N levels around 2,6% seem to be optimal for Shamouti oranges. We suggest an orchard management programme to enable Shamouti orange orchards to obtain optimal bearing capacity commencing from ayoung age udner subtropical climatic conditions. Chemical nome used: B-[(4-chlorophenyl)methyl]-a-(1,1-dimethylethyl)-1H-1,2,4-triazole-1-ethanol (paclobutrazol). |
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Palavras-Chave: |
Controle. |
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Thesagro: |
Comercialização. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01664naa a2200145 a 4500
001 1632762
005 1993-09-08
008 1993 bl uuuu u00u1 u #d
100 1 $aRABE, E.
245 $aYield inprovenent in Shamouti orange trees in a subtropical climate.
260 $c1993
520 $aThe Shamouti orange is a shy-bearing cultivar under subtropical conditions, especially in the early years of production. This may be associated with a general lack of adequate flowering intensitiy. Ezport market potential exists for this cultivar and increased plantings are advocated, provided methods can be developed for improving yield, particularly in young orchards. We have conducted trials in three orchards over two production seasons aimed at increasing yield by fail-applied paclobutrazol and girdling and treatments. Significant (p < 0, 05) yield increases were obtained with faliarapplied low biuret urea (two 1% sprays, one week apart, six to eight weeks pre-blossom) in a mature orchard. This was not found in a younf orchard where flower intesity waslimiting. Girdling, at full bolossom (FB) or eight weeks before FB, also resulted in increased yields where N levels were adequate. Our data indicate that N levels around 2,6% seem to be optimal for Shamouti oranges. We suggest an orchard management programme to enable Shamouti orange orchards to obtain optimal bearing capacity commencing from ayoung age udner subtropical climatic conditions. Chemical nome used: B-[(4-chlorophenyl)methyl]-a-(1,1-dimethylethyl)-1H-1,2,4-triazole-1-ethanol (paclobutrazol).
650 $aComercialização
653 $aControle
773 $tCitros Journal.$gv.3, n.3, p.23-26,1993.
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Instrumentação. Para informações adicionais entre em contato com cnpdia.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Instrumentação. |
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Data corrente: |
09/12/2005 |
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Data da última atualização: |
09/12/2005 |
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Autoria: |
FERREIRA, S. J. F.; CRESTANA, S.; LUIZÃO, F. J.; MIRANDA, S. A. F. |
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Título: |
Nutrientes no solo em floresta de terra firme cortada seletivamente na Amazônia Central. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
Acta Amazonica, Manaus, v.31, n.3, p.381-396, 2001. |
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Idioma: |
Português |
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Conteúdo: |
Foram medidos o ph, a matéria orgânica, o fósforo assimilável, o potássio, o magnésio, o cálcio e o alumínio trocáveis no solo de uma área de manejo florestal em floresta de terra firme localizada a 80 km ao norte de Manaus. |
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Palavras-Chave: |
Análise de solo; Matéria Orgânica do Solo (MOS). |
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Thesagro: |
Desmatamento. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00808naa a2200193 a 4500
001 1029157
005 2005-12-09
008 2001 bl --- 0-- u #d
100 1 $aFERREIRA, S. J. F.
245 $aNutrientes no solo em floresta de terra firme cortada seletivamente na Amazônia Central.
260 $c2001
520 $aForam medidos o ph, a matéria orgânica, o fósforo assimilável, o potássio, o magnésio, o cálcio e o alumínio trocáveis no solo de uma área de manejo florestal em floresta de terra firme localizada a 80 km ao norte de Manaus.
650 $aDesmatamento
653 $aAnálise de solo
653 $aMatéria Orgânica do Solo (MOS)
700 1 $aCRESTANA, S.
700 1 $aLUIZÃO, F. J.
700 1 $aMIRANDA, S. A. F.
773 $tActa Amazonica, Manaus$gv.31, n.3, p.381-396, 2001.
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Embrapa Instrumentação (CNPDIA) |
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