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Registro Completo |
Biblioteca(s): |
Embrapa Solos. |
Data corrente: |
22/11/2002 |
Data da última atualização: |
22/11/2002 |
Autoria: |
KAUFFMAN, J. H. |
Título: |
Comparative classification of some deep, well-drained red clay soils of Mozambique. |
Ano de publicação: |
1987 |
Fonte/Imprenta: |
Wageningen: ISRIC, 1987. |
Páginas: |
61 p. |
Série: |
(ISRIC. Technical Paper, 16). |
Idioma: |
Inglês |
Conteúdo: |
Classification according to Soil Taxonomy and FAO-Unesco systems of deep, well drained red clay soils is problematic in many East African countries. This can be in first instance contributed to the uncompleteness of necessary morphological and analytical data. Therefore six soils profiles have been sent to ISRIC for monolith preparation and physical, chemical, mineralogical and micromorphological analysis, according to required methodology. With these data classification appeared to be still problematic. To tes this, all available information of the six profiles have been sent to twenty expert soil scientists, wich were requested to classify these soils. The classification results and additional observation on these soils of eighteen experts are presented and studied in this paper. The variation in results indicates an acute first taxonomic level problem in both systems. Main causes of this variation are the still subjective assessment of diagnostic horizons and - criteria, and inconsistencies in the keying procedure. |
Palavras-Chave: |
Classificação comparativa; FAO-Unesco; Moçambique. |
Thesagro: |
Solo. |
Thesaurus Nal: |
soil taxonomy. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01574nam a2200193 a 4500 001 1328228 005 2002-11-22 008 1987 bl uuuu 00u1 u #d 100 1 $aKAUFFMAN, J. H. 245 $aComparative classification of some deep, well-drained red clay soils of Mozambique. 260 $aWageningen: ISRIC$c1987 300 $a61 p. 490 $a(ISRIC. Technical Paper, 16). 520 $aClassification according to Soil Taxonomy and FAO-Unesco systems of deep, well drained red clay soils is problematic in many East African countries. This can be in first instance contributed to the uncompleteness of necessary morphological and analytical data. Therefore six soils profiles have been sent to ISRIC for monolith preparation and physical, chemical, mineralogical and micromorphological analysis, according to required methodology. With these data classification appeared to be still problematic. To tes this, all available information of the six profiles have been sent to twenty expert soil scientists, wich were requested to classify these soils. The classification results and additional observation on these soils of eighteen experts are presented and studied in this paper. The variation in results indicates an acute first taxonomic level problem in both systems. Main causes of this variation are the still subjective assessment of diagnostic horizons and - criteria, and inconsistencies in the keying procedure. 650 $asoil taxonomy 650 $aSolo 653 $aClassificação comparativa 653 $aFAO-Unesco 653 $aMoçambique
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Embrapa Solos (CNPS) |
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19982. | | LEAL, O. dos A.; JIMÉNEZ-MORILLO, N. T.; GONZÁLEZ-PÉREZ, J. A.; KNICKER, H.; COSTA, F. de S.; JIMÉNEZ-MORILLO, P. N.; CARVALHO JUNIOR, J. A. de; SANTOS, J. C. dos; DICK, D. P. Soil organic matter molecular composition shifts driven by forest regrowth or pasture after slash-and-burn of Amazon Forest. International Journal of Environmental Research and Public Health, v. 20, n. 4, 3485, Feb. 2023.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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