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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
22/11/2000 |
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Data da última atualização: |
22/11/2000 |
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Autoria: |
LILIENFEIN, J.; WILCKE, W.; AYARZA, M. A.; LIMA, S. do C.; VILELA, L.; ZECH, W. |
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Título: |
Annual course of matric potential in differently used savanna oxisols in Brazil. |
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Ano de publicação: |
1999 |
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Fonte/Imprenta: |
Soil Society of American Journal, Madison, v.63, p.1778-1785, 1999. |
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Idioma: |
Inglês |
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Conteúdo: |
Sustainable land use in periodically dry Brasilian savannas requires a water-saving management. We hypothesized that the annual course of matric potentials (simbolo) in very-fine, isohyperthermic Anionic Acrustoxes of Pinus plantations (PI), degraded (DP) and productive pastures (PP) no-till (NT) and conventional tillage (CT) cropping, and natural savanna (Cerrado, CE) differed significantly. On three plots in each of these land-use systems water input and (simbolo) at the 0.15-, 0.30-, 0.80-, 1.2-, and 2.0-m depths was measured with tensiometers weekly between 27 Mar. 1997 and 28 Apr. 1998.Precipitation between 29 Apr. 1997 and 28 Apr.1998 was 1562 mm,with only 210 mm in May to September, when (simbolo) at the 0.15-and 0,30-m depths decreased to less than -80kPa in all systems; the lowest (simbolo) at 2-m depth was -57kPa. During the monitored period, the PI soils had lower average (simbolo) at the 0,8- to 2-m depths (-60 kPa) than those in CE (-46), indicating higher rainfall interception losses and higher transpiration. In CT, average (simbolo) values at the 0.8-to 2-m depths (-29) were higher than in NT (-51) because of different crops and different soil management. Between june and November, (simbolo) at the 2-m depth in CE decreased to a lower value (-42) than in vegetation-free CT (-22) and NT (-27). In DP and PP soils, (simbolo) were similar to those in CE soils at all depths. The estimated average water storage in the upper 2 m during the monitored period was 565 mm (CT) > 553 (PP) > 541 (DP) > 537 (CE) > 526 (NT) > 479 (PI).Our results show that mainly the vegetation type and tillage practices control the annual course of matric potencial in differently used savanna Oxisols. MenosSustainable land use in periodically dry Brasilian savannas requires a water-saving management. We hypothesized that the annual course of matric potentials (simbolo) in very-fine, isohyperthermic Anionic Acrustoxes of Pinus plantations (PI), degraded (DP) and productive pastures (PP) no-till (NT) and conventional tillage (CT) cropping, and natural savanna (Cerrado, CE) differed significantly. On three plots in each of these land-use systems water input and (simbolo) at the 0.15-, 0.30-, 0.80-, 1.2-, and 2.0-m depths was measured with tensiometers weekly between 27 Mar. 1997 and 28 Apr. 1998.Precipitation between 29 Apr. 1997 and 28 Apr.1998 was 1562 mm,with only 210 mm in May to September, when (simbolo) at the 0.15-and 0,30-m depths decreased to less than -80kPa in all systems; the lowest (simbolo) at 2-m depth was -57kPa. During the monitored period, the PI soils had lower average (simbolo) at the 0,8- to 2-m depths (-60 kPa) than those in CE (-46), indicating higher rainfall interception losses and higher transpiration. In CT, average (simbolo) values at the 0.8-to 2-m depths (-29) were higher than in NT (-51) because of different crops and different soil management. Between june and November, (simbolo) at the 2-m depth in CE decreased to a lower value (-42) than in vegetation-free CT (-22) and NT (-27). In DP and PP soils, (simbolo) were similar to those in CE soils at all depths. The estimated average water storage in the upper 2 m during the monitored period was 565 m... Mostrar Tudo |
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Palavras-Chave: |
Agua de solo. |
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Thesagro: |
Cerrado; Oxisol. |
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Thesaurus Nal: |
Ferralsols; soil water. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02366naa a2200241 a 4500
001 1546510
005 2000-11-22
008 1999 bl --- 0-- u #d
100 1 $aLILIENFEIN, J.
245 $aAnnual course of matric potential in differently used savanna oxisols in Brazil.
260 $c1999
520 $aSustainable land use in periodically dry Brasilian savannas requires a water-saving management. We hypothesized that the annual course of matric potentials (simbolo) in very-fine, isohyperthermic Anionic Acrustoxes of Pinus plantations (PI), degraded (DP) and productive pastures (PP) no-till (NT) and conventional tillage (CT) cropping, and natural savanna (Cerrado, CE) differed significantly. On three plots in each of these land-use systems water input and (simbolo) at the 0.15-, 0.30-, 0.80-, 1.2-, and 2.0-m depths was measured with tensiometers weekly between 27 Mar. 1997 and 28 Apr. 1998.Precipitation between 29 Apr. 1997 and 28 Apr.1998 was 1562 mm,with only 210 mm in May to September, when (simbolo) at the 0.15-and 0,30-m depths decreased to less than -80kPa in all systems; the lowest (simbolo) at 2-m depth was -57kPa. During the monitored period, the PI soils had lower average (simbolo) at the 0,8- to 2-m depths (-60 kPa) than those in CE (-46), indicating higher rainfall interception losses and higher transpiration. In CT, average (simbolo) values at the 0.8-to 2-m depths (-29) were higher than in NT (-51) because of different crops and different soil management. Between june and November, (simbolo) at the 2-m depth in CE decreased to a lower value (-42) than in vegetation-free CT (-22) and NT (-27). In DP and PP soils, (simbolo) were similar to those in CE soils at all depths. The estimated average water storage in the upper 2 m during the monitored period was 565 mm (CT) > 553 (PP) > 541 (DP) > 537 (CE) > 526 (NT) > 479 (PI).Our results show that mainly the vegetation type and tillage practices control the annual course of matric potencial in differently used savanna Oxisols.
650 $aFerralsols
650 $asoil water
650 $aCerrado
650 $aOxisol
653 $aAgua de solo
700 1 $aWILCKE, W.
700 1 $aAYARZA, M. A.
700 1 $aLIMA, S. do C.
700 1 $aVILELA, L.
700 1 $aZECH, W.
773 $tSoil Society of American Journal, Madison$gv.63, p.1778-1785, 1999.
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Registro original: |
Embrapa Cerrados (CPAC) |
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Registro Completo
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Biblioteca(s): |
Embrapa Uva e Vinho. |
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Data corrente: |
16/02/2011 |
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Data da última atualização: |
31/10/2019 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
RUFATO, A. de R.; RUFATO, L.; KRETZSCHMAR, A. A.; BRIGHENTI, A. F.; SCHLEMPER, C.; BRIGHENTI, L. M. |
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Afiliação: |
ANDREA DE ROSSI RUFATO, CNPUV; LEO RUFATO, UDESC; A. A. KRETZSCHMAR, UDESC; A. F. BRIGHENTI, UDESC; C. SCHLEMPER, UDESC; L. M. BRIGHENTI, UDESC. |
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Título: |
Timing of cluster thinning on quality of Montepulciano grapevines in high altitude regions of Santa Catarina State - Brazil. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
In: INTERNATIONAL HORTICULTURAL CONGRESS, 28., 2010, Lisboa. Science and Horticulture for people: abstracts. Lisboa: ISHS, 2010. |
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Páginas: |
p. 720. |
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Idioma: |
Inglês |
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Notas: |
Resumo S16.232. |
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Conteúdo: |
Th« objecrive of rhis Hud)' W1S to determine the besr time to pcrforrn the clusrer thinning. The experirnenr was conducted on Quinta da Neve vineyard in São ]oaquim (28" 17' S, 49"56' W, altitude 1350rn), Santa Cararina Stare, Brazil, during 2008/2009 season. |
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Palavras-Chave: |
Período ideal; Santa Catarina. |
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Thesagro: |
Desbaste; Uva; Viticultura. |
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Thesaurus NAL: |
Brazil. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/203997/1/12943-2010-p.720.pdf
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Marc: |
LEADER 01113nam a2200265 a 4500
001 1877597
005 2019-10-31
008 2010 bl uuuu u00u1 u #d
100 1 $aRUFATO, A. de R.
245 $aTiming of cluster thinning on quality of Montepulciano grapevines in high altitude regions of Santa Catarina State - Brazil.$h[electronic resource]
260 $aIn: INTERNATIONAL HORTICULTURAL CONGRESS, 28., 2010, Lisboa. Science and Horticulture for people: abstracts. Lisboa: ISHS$c2010
300 $ap. 720.
500 $aResumo S16.232.
520 $aTh« objecrive of rhis Hud)' W1S to determine the besr time to pcrforrn the clusrer thinning. The experirnenr was conducted on Quinta da Neve vineyard in São ]oaquim (28" 17' S, 49"56' W, altitude 1350rn), Santa Cararina Stare, Brazil, during 2008/2009 season.
650 $aBrazil
650 $aDesbaste
650 $aUva
650 $aViticultura
653 $aPeríodo ideal
653 $aSanta Catarina
700 1 $aRUFATO, L.
700 1 $aKRETZSCHMAR, A. A.
700 1 $aBRIGHENTI, A. F.
700 1 $aSCHLEMPER, C.
700 1 $aBRIGHENTI, L. M.
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