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Registro Completo |
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Biblioteca(s): |
Embrapa Hortaliças. |
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Data corrente: |
21/02/1995 |
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Data da última atualização: |
21/02/1995 |
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Autoria: |
LOPES, C. A.; QUEZADO-SOARES, A.M.; MELO, P. E. de. |
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Afiliação: |
EMBRAPA-CNPH. |
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Título: |
Differential resistance of tomato cultivars to biovars I and III of Pseudomonas solanacearum. |
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Ano de publicação: |
1994 |
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Fonte/Imprenta: |
Plant Disease. v.78, n.11, p.1091-1094, Nov. 1994. |
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ISSN: |
0191-2917 |
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Idioma: |
Inglês |
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Palavras-Chave: |
Biovar; Diseases; Pseudomonas solanacearum; Resistance; Tomato. |
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Thesagro: |
Bactéria; Cerrado; Doença; Lycopersicon Esculentum; Resistência; Tomate. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00749naa a2200277 a 4500
001 1752511
005 1995-02-21
008 1994 bl uuuu u00u1 u #d
022 $a0191-2917
100 1 $aLOPES, C. A.
245 $aDifferential resistance of tomato cultivars to biovars I and III of Pseudomonas solanacearum.
260 $c1994
650 $aBactéria
650 $aCerrado
650 $aDoença
650 $aLycopersicon Esculentum
650 $aResistência
650 $aTomate
653 $aBiovar
653 $aDiseases
653 $aPseudomonas solanacearum
653 $aResistance
653 $aTomato
700 1 $aQUEZADO-SOARES, A.M.
700 1 $aMELO, P. E. de
773 $tPlant Disease.$gv.78, n.11, p.1091-1094, Nov. 1994.
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Registro original: |
Embrapa Hortaliças (CNPH) |
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Registro Completo
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Biblioteca(s): |
Embrapa Solos. |
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Data corrente: |
12/02/2014 |
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Data da última atualização: |
31/03/2015 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
CASTRO, R. C. de; BENITES, V. de M.; TEIXEIRA, P. C.; OLIVEIRA, D. F. de; OLIVEIRA, L. F. de; ANJOS, M. J. dos. |
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Afiliação: |
Robson C. de Castro, Instituto de Física Armando Dias Tavares; VINICIUS DE MELO BENITES, CNPS; PAULO CESAR TEIXEIRA, CNPS; Davi Ferreira de Oliveira, Instituto de Física Armando Dias Tavares; Luis Fernando de Oliveira, Instituto de Física Armando Dias Tavares; Marcelino José dos Anjos, Instituto de Física Armando Dias Tavares. |
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Título: |
Analyzing the mobility in granular forms of P fertilizer in brazilians soils under laboratory conditions. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
In: INTERNATIONAL NUCLEAR ATLANTIC CONFERENCE/INAC, 2013. Recife/PE. Anais... Rio de Janeiro, RJ: Associação Brasileira de Energia Nuclear, 2013. |
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Páginas: |
8p. |
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Idioma: |
Português |
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Conteúdo: |
Phosphorus is an essential nutrient for plant growth. Million of tones of P are applied to the soils annually. However, only a small fraction of the P applied with fertilizers is taken up by crops in the year of application, and the effectiveness of any residual P fertilizer declines with time. To improve our understanding of the mechanisms underlying this response to P in the field, we have studied the mobility of P from 3 different fertilizes: monoammonium phosphate (MAP), polymer coated monoammonium phosphate (MAPp) and Organomineral phosphate (OMP) applied on high weathered soil samples in a Petri dish experiment. Total Reflection X-Ray Fluorescence (TXRF) was used to determine the P diffusive flux at different distances (0 - 7.5, 7.5 ? 13.5, 13.5 ? 25.5 and 25.5 ? 43 mm) from granular fertilizer. TXRF analyses were performed at the X-Ray Fluorescence Beamline D09B at Brazilian National Synchrotron Light Laboratory (LNLS), in Campinas, São Paulo, using a polychromatic beam with maximum energy of 20 keV for the excitation and an Ultra-LEGe detector with resolution of 148 eV at 5.9 keV. Besides that, the detections were performed in a high vacuum chamber (2.5 x 10-5 mbar) to avoid air absorption. After a period of five weeks, the total P concentration increased in the soil sampled 7.5 to 13.5 mm from the fertilizer showing a diffusive flux of P. About 20% (considering MAP and MAPp) of the total P applied diffused out of the central soil ring. Different sources showed differences in diffusive flux of P. Soil pH also influenced diffusive flux of P showing higher flux on lower pH soils. MenosPhosphorus is an essential nutrient for plant growth. Million of tones of P are applied to the soils annually. However, only a small fraction of the P applied with fertilizers is taken up by crops in the year of application, and the effectiveness of any residual P fertilizer declines with time. To improve our understanding of the mechanisms underlying this response to P in the field, we have studied the mobility of P from 3 different fertilizes: monoammonium phosphate (MAP), polymer coated monoammonium phosphate (MAPp) and Organomineral phosphate (OMP) applied on high weathered soil samples in a Petri dish experiment. Total Reflection X-Ray Fluorescence (TXRF) was used to determine the P diffusive flux at different distances (0 - 7.5, 7.5 ? 13.5, 13.5 ? 25.5 and 25.5 ? 43 mm) from granular fertilizer. TXRF analyses were performed at the X-Ray Fluorescence Beamline D09B at Brazilian National Synchrotron Light Laboratory (LNLS), in Campinas, São Paulo, using a polychromatic beam with maximum energy of 20 keV for the excitation and an Ultra-LEGe detector with resolution of 148 eV at 5.9 keV. Besides that, the detections were performed in a high vacuum chamber (2.5 x 10-5 mbar) to avoid air absorption. After a period of five weeks, the total P concentration increased in the soil sampled 7.5 to 13.5 mm from the fertilizer showing a diffusive flux of P. About 20% (considering MAP and MAPp) of the total P applied diffused out of the central soil ring. Different sources showed diffe... Mostrar Tudo |
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Thesaurus NAL: |
phosphorus. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/97196/1/ANALYSING.pdf
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Marc: |
LEADER 02309nam a2200193 a 4500
001 1979670
005 2015-03-31
008 2013 bl uuuu u00u1 u #d
100 1 $aCASTRO, R. C. de
245 $aAnalyzing the mobility in granular forms of P fertilizer in brazilians soils under laboratory conditions.$h[electronic resource]
260 $aIn: INTERNATIONAL NUCLEAR ATLANTIC CONFERENCE/INAC, 2013. Recife/PE. Anais... Rio de Janeiro, RJ: Associação Brasileira de Energia Nuclear$c2013
300 $a8p.
520 $aPhosphorus is an essential nutrient for plant growth. Million of tones of P are applied to the soils annually. However, only a small fraction of the P applied with fertilizers is taken up by crops in the year of application, and the effectiveness of any residual P fertilizer declines with time. To improve our understanding of the mechanisms underlying this response to P in the field, we have studied the mobility of P from 3 different fertilizes: monoammonium phosphate (MAP), polymer coated monoammonium phosphate (MAPp) and Organomineral phosphate (OMP) applied on high weathered soil samples in a Petri dish experiment. Total Reflection X-Ray Fluorescence (TXRF) was used to determine the P diffusive flux at different distances (0 - 7.5, 7.5 ? 13.5, 13.5 ? 25.5 and 25.5 ? 43 mm) from granular fertilizer. TXRF analyses were performed at the X-Ray Fluorescence Beamline D09B at Brazilian National Synchrotron Light Laboratory (LNLS), in Campinas, São Paulo, using a polychromatic beam with maximum energy of 20 keV for the excitation and an Ultra-LEGe detector with resolution of 148 eV at 5.9 keV. Besides that, the detections were performed in a high vacuum chamber (2.5 x 10-5 mbar) to avoid air absorption. After a period of five weeks, the total P concentration increased in the soil sampled 7.5 to 13.5 mm from the fertilizer showing a diffusive flux of P. About 20% (considering MAP and MAPp) of the total P applied diffused out of the central soil ring. Different sources showed differences in diffusive flux of P. Soil pH also influenced diffusive flux of P showing higher flux on lower pH soils.
650 $aphosphorus
700 1 $aBENITES, V. de M.
700 1 $aTEIXEIRA, P. C.
700 1 $aOLIVEIRA, D. F. de
700 1 $aOLIVEIRA, L. F. de
700 1 $aANJOS, M. J. dos
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Embrapa Solos (CNPS) |
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