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Registro Completo |
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
23/06/1997 |
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Data da última atualização: |
23/06/1997 |
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Autoria: |
CARNEIRO, M. M. de. |
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Título: |
A Comparative study of the responses of six Stylosanthes species to acid soil factors with particular reference to aluminium. |
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Ano de publicação: |
1978 |
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Fonte/Imprenta: |
Queensland: University of Queesland, Marco, 1978. |
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Páginas: |
298p. |
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Série: |
Tese de Doutorado. |
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Idioma: |
Inglês |
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Notas: |
Orientada por: D. G.Edwards, C. S.Andrew e C. J. ASHER. |
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Conteúdo: |
The present investigation was conducted to examine the comparative ability of six Stylosanthes species to tolerate acid soil infertility factors with particular reference to aluminium. Initially, a pot experiment was conducted to identify those factors limiting the growth of Stylosanthes in three acid soils from south east Queesland. All six species responded positively to lime appplication in the three soils, while responses to phosphate application varied with soils, species and lime rates. Lowest dry matter yield in the unlimed soils was associated with solution aluminium concentrations in the saturation extract ranging from 37 to 55 micrometros. Maximum growth of species occurred when the solution aluminium concentrations were reduced to the range 17 to 22 micrometros by the highest lime rates, which reduced the aluminium saturation of the effective CEC to less than 5 percent in all three soils. The growth response to lime was attribured to the alleviation of aluminium toxicity. Subsequent experiments conducted using sand culture showed that aluminium could restrict the growth of Stylosanthes species both through effects on host plant qrowth and on the development of an effective legume-Rhizobium symbiosis. However, plant qrowth was shown to be considerabily more tolerant to aluminium toxicity when supplied with adequate combined nitrogen than when dependent on symbiotic nitrogen fixation. The greater sensitivity to aluminium toxicity of plants dependent on symbiotic nitrogen fixation was shown to be due..... MenosThe present investigation was conducted to examine the comparative ability of six Stylosanthes species to tolerate acid soil infertility factors with particular reference to aluminium. Initially, a pot experiment was conducted to identify those factors limiting the growth of Stylosanthes in three acid soils from south east Queesland. All six species responded positively to lime appplication in the three soils, while responses to phosphate application varied with soils, species and lime rates. Lowest dry matter yield in the unlimed soils was associated with solution aluminium concentrations in the saturation extract ranging from 37 to 55 micrometros. Maximum growth of species occurred when the solution aluminium concentrations were reduced to the range 17 to 22 micrometros by the highest lime rates, which reduced the aluminium saturation of the effective CEC to less than 5 percent in all three soils. The growth response to lime was attribured to the alleviation of aluminium toxicity. Subsequent experiments conducted using sand culture showed that aluminium could restrict the growth of Stylosanthes species both through effects on host plant qrowth and on the development of an effective legume-Rhizobium symbiosis. However, plant qrowth was shown to be considerabily more tolerant to aluminium toxicity when supplied with adequate combined nitrogen than when dependent on symbiotic nitrogen fixation. The greater sensitivity to aluminium toxicity of plants dependent on symbiotic n... Mostrar Tudo |
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Palavras-Chave: |
Al; Aluminium; Ca; FBN; Fixação biológica de nitrogen; Growth; Mg; Mo; Molybdenium; NBF; Nitrogen fixing bacteria; P; Plants; Root nodule. |
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Thesagro: |
Acidez; Alumínio; Cálcio; Crescimento; Deficiência; Fósforo; Leguminosa; Manganês; Molibdênio; Nódulo; Nutriente; Planta; Rhizobium; Solo; Toxidez. |
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Thesaurus Nal: |
calcium; legumes; manganese; nutrient deficiencies; phosphorus; soil pH; Stylosanthes; toxicity. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02999nam a2200589 a 4500
001 1621494
005 1997-06-23
008 1978 bl uuuu m 00u1 u #d
100 1 $aCARNEIRO, M. M. de
245 $aA Comparative study of the responses of six Stylosanthes species to acid soil factors with particular reference to aluminium.
260 $aQueensland: University of Queesland, Marco$c1978
300 $a298p.
490 $aTese de Doutorado.
500 $aOrientada por: D. G.Edwards, C. S.Andrew e C. J. ASHER.
520 $aThe present investigation was conducted to examine the comparative ability of six Stylosanthes species to tolerate acid soil infertility factors with particular reference to aluminium. Initially, a pot experiment was conducted to identify those factors limiting the growth of Stylosanthes in three acid soils from south east Queesland. All six species responded positively to lime appplication in the three soils, while responses to phosphate application varied with soils, species and lime rates. Lowest dry matter yield in the unlimed soils was associated with solution aluminium concentrations in the saturation extract ranging from 37 to 55 micrometros. Maximum growth of species occurred when the solution aluminium concentrations were reduced to the range 17 to 22 micrometros by the highest lime rates, which reduced the aluminium saturation of the effective CEC to less than 5 percent in all three soils. The growth response to lime was attribured to the alleviation of aluminium toxicity. Subsequent experiments conducted using sand culture showed that aluminium could restrict the growth of Stylosanthes species both through effects on host plant qrowth and on the development of an effective legume-Rhizobium symbiosis. However, plant qrowth was shown to be considerabily more tolerant to aluminium toxicity when supplied with adequate combined nitrogen than when dependent on symbiotic nitrogen fixation. The greater sensitivity to aluminium toxicity of plants dependent on symbiotic nitrogen fixation was shown to be due.....
650 $acalcium
650 $alegumes
650 $amanganese
650 $anutrient deficiencies
650 $aphosphorus
650 $asoil pH
650 $aStylosanthes
650 $atoxicity
650 $aAcidez
650 $aAlumínio
650 $aCálcio
650 $aCrescimento
650 $aDeficiência
650 $aFósforo
650 $aLeguminosa
650 $aManganês
650 $aMolibdênio
650 $aNódulo
650 $aNutriente
650 $aPlanta
650 $aRhizobium
650 $aSolo
650 $aToxidez
653 $aAl
653 $aAluminium
653 $aCa
653 $aFBN
653 $aFixação biológica de nitrogen
653 $aGrowth
653 $aMg
653 $aMo
653 $aMolybdenium
653 $aNBF
653 $aNitrogen fixing bacteria
653 $aP
653 $aPlants
653 $aRoot nodule
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Registro original: |
Embrapa Agrobiologia (CNPAB) |
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| 17. |  | PARADIZO, I. C.; MACIEIRA, B. P. B.; GAMA, V. N.; ZANETTI, L. V.; CUZZUOL, G. R. F. A plasticidade fenotípica como indicador de arbóreas não pioneiras mais tolerantes à elevada luminosidade. Pesquisa Florestal Brasileira, Colombo, v. 35, n. 84, p. 359-369, out./dez. 2015.| Biblioteca(s): Embrapa Florestas. |
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| 20. | | MARTINS JUNIOR, H.; COSTA, S. M. da; CORREA, R. de O.; SANTOS, C. P.; SOUZA, C. F. de; MEYER, G. A relação peso comprimento do tambaqui (Colossoma macropomum, Curvier 1818) submetido a diferentes rações formuladas a base de macaxeira. In: CONGRESSO DA SOCIEDADE BRASILEIRA DE AQUICULTURA E BIOLOGIA AQUÁTICA, 7., 2010, Recife. Anais... Jaboticabal: Sociedade Brasileira de Aquicultura, 2010.| Tipo: Resumo em Anais de Congresso |
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| Registros recuperados : 4.226 | |
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