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Registro Completo |
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Biblioteca(s): |
Embrapa Agroindústria Tropical. |
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Data corrente: |
08/09/1993 |
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Data da última atualização: |
13/07/2016 |
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Autoria: |
MARLER, T. E.; DAVIES, F. S. |
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Título: |
Microsprinkler irrigation and growth of young "Hamlin" orange trees. |
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Ano de publicação: |
1990 |
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Fonte/Imprenta: |
Journal of the American Society for Horticultural Science, v.115, n.1, p.45-51, 1990. |
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Idioma: |
Inglês |
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Conteúdo: |
Growth responses of young `Hamlin' orange [Citrus sinensis (L.) Osbeck] on sour orange (C. aurantium L.) trees to microsprinkler irrigation were studied under field conditions from 1985 to 1987 to determine the most-efficient irrigation rates and duration. Trees were irrigated when available soil water depletion (SWD) reached 20% (high frequency), 45% (moderate frequency), and 65% (low frequency). Trees at the moderate and low levels received 49% and 13%, respectively, as much irrigation water as the high treatment. Canopy volume, trunk cross-sectional area, dry weight, shoot length, leaf area, total root dry weight and volume, and new root dry weight were similar for the high and moderate levels in 2 of 3 years, but were significantly reduced at the low level. Summer and fall growth flushes were delayed or did not occur at the moderate and low levels. More than 90% of root dry weight was within 80 cm of the trunk at the end of the first growing season. |
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Palavras-Chave: |
Irrigacao sistema; Laranjeira; Necessidade hídrica. |
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Thesagro: |
Citrus Sinensis; Laranja; Microaspersão. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01559naa a2200205 a 4500
001 1417774
005 2016-07-13
008 1990 bl --- 0-- u #d
100 1 $aMARLER, T. E.
245 $aMicrosprinkler irrigation and growth of young "Hamlin" orange trees.
260 $c1990
520 $aGrowth responses of young `Hamlin' orange [Citrus sinensis (L.) Osbeck] on sour orange (C. aurantium L.) trees to microsprinkler irrigation were studied under field conditions from 1985 to 1987 to determine the most-efficient irrigation rates and duration. Trees were irrigated when available soil water depletion (SWD) reached 20% (high frequency), 45% (moderate frequency), and 65% (low frequency). Trees at the moderate and low levels received 49% and 13%, respectively, as much irrigation water as the high treatment. Canopy volume, trunk cross-sectional area, dry weight, shoot length, leaf area, total root dry weight and volume, and new root dry weight were similar for the high and moderate levels in 2 of 3 years, but were significantly reduced at the low level. Summer and fall growth flushes were delayed or did not occur at the moderate and low levels. More than 90% of root dry weight was within 80 cm of the trunk at the end of the first growing season.
650 $aCitrus Sinensis
650 $aLaranja
650 $aMicroaspersão
653 $aIrrigacao sistema
653 $aLaranjeira
653 $aNecessidade hídrica
700 1 $aDAVIES, F. S.
773 $tJournal of the American Society for Horticultural Science$gv.115, n.1, p.45-51, 1990.
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Registro original: |
Embrapa Agroindústria Tropical (CNPAT) |
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Registro |
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Voltar
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Cerrados. Para informações adicionais entre em contato com cpac.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
31/01/2007 |
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Data da última atualização: |
15/01/2008 |
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Autoria: |
PARADELLA, W. R.; SANO, E. E. |
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Título: |
Aplicações de radar nas geociências e meio ambiente: estado atual e perspectivas. |
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Ano de publicação: |
2006 |
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Fonte/Imprenta: |
In: CHAVES, J. M.; FRANCA-ROCHA, W. de J. S. da (Org.). Geotecnologias: trilhando novos caminhos nas geociências. Salvador: SBG, 2006. p. 73-83. |
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Idioma: |
Português |
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Thesagro: |
Geologia; Radar; Solo; Vegetação. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00563naa a2200169 a 4500
001 1570047
005 2008-01-15
008 2006 bl uuuu u00u1 u #d
100 1 $aPARADELLA, W. R.
245 $aAplicações de radar nas geociências e meio ambiente$bestado atual e perspectivas.
260 $c2006
650 $aGeologia
650 $aRadar
650 $aSolo
650 $aVegetação
700 1 $aSANO, E. E.
773 $tIn: CHAVES, J. M.; FRANCA-ROCHA, W. de J. S. da (Org.). Geotecnologias: trilhando novos caminhos nas geociências. Salvador: SBG, 2006. p. 73-83.
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Embrapa Cerrados (CPAC) |
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