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 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
02/08/2018 |
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Data da última atualização: |
03/08/2018 |
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Autoria: |
KITAGAWA, Y.; MÖLLER, M. R. F. |
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Afiliação: |
YASUO KITAGAWA, NATIONAL INSTITUTE OF AGRICULTURAL SCIENCES; MARIA REGINA FREIRE MÖLLER, CPATU. |
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Título: |
Clay mineralogy of the "terra roxa estruturada" soils from forest/savannah transition in the Amazon Region. |
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Ano de publicação: |
1979 |
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Fonte/Imprenta: |
Soil Science and Plant Nutrition, v. 25, n. 3, p. 397-405, Sep. 1979. |
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Idioma: |
Inglês |
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Conteúdo: |
The clay mineral composition of two "terra roxa estruturada" (TRE) soils occurring in the tropical rain forest and tropical forest(savannah transition zone, and a reddish brunizem in the savannah(semi-arid transition zone was studied comparatively in the southeast Amazon region. Kaolin mineraIs were dominant in these soils, and hematite and goethite were found in the clay fraction. A small amount of 2 : 1-type clay minerais was found in two soils. The mineral composition of the clay fraction in the TRE soils was hardly influenced by the difference of the meteorological factor or their water condition in this region, and this factor should not control the influence of parent materiais derived from basic rocks. The TRE soils were developed under the condition of laterite genesis, and were regarded claymineralogically as a kind of the lateritic soils. |
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Palavras-Chave: |
Fertility; Fração argila; Terra roxa. |
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Thesagro: |
Solo. |
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Thesaurus NAL: |
soil. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01420naa a2200193 a 4500
001 2093807
005 2018-08-03
008 1979 bl uuuu u00u1 u #d
100 1 $aKITAGAWA, Y.
245 $aClay mineralogy of the "terra roxa estruturada" soils from forest/savannah transition in the Amazon Region.
260 $c1979
520 $aThe clay mineral composition of two "terra roxa estruturada" (TRE) soils occurring in the tropical rain forest and tropical forest(savannah transition zone, and a reddish brunizem in the savannah(semi-arid transition zone was studied comparatively in the southeast Amazon region. Kaolin mineraIs were dominant in these soils, and hematite and goethite were found in the clay fraction. A small amount of 2 : 1-type clay minerais was found in two soils. The mineral composition of the clay fraction in the TRE soils was hardly influenced by the difference of the meteorological factor or their water condition in this region, and this factor should not control the influence of parent materiais derived from basic rocks. The TRE soils were developed under the condition of laterite genesis, and were regarded claymineralogically as a kind of the lateritic soils.
650 $asoil
650 $aSolo
653 $aFertility
653 $aFração argila
653 $aTerra roxa
700 1 $aMÖLLER, M. R. F.
773 $tSoil Science and Plant Nutrition$gv. 25, n. 3, p. 397-405, Sep. 1979.
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Embrapa Amazônia Oriental (CPATU) |
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