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Stock of organic carbon in spodic horizons of Brazilian Spodosols. Author(s): FONTANA, A. Soils classified as Spodosols in Brazil occur at different landscapes, from coastal plains to high altitude areas. Although they are present in different environments, these soils are formed mainly un... ... Repository: BDPA Publication year: 2019
Old anthropicsoil horizons in the tropics - amazonian dark earths (terra preta do índio), shell mounds (sambaquis) and earthworks (geoglifos): its characterization and lessons to be learned from the past. Author(s): TEIXEIRA, W. G. Repository: BDPA Publication year: 2010
Comparison of total nitrogen methods applied for histosols and soil horizons with high organic matter content. Author(s): PEREIRA, M. G.; ESPINDULA JÚNIOR, A.; VALLADARES, G. S.; ANJOS, L. H. C. DOS; BENITES, V. de M.; SCHULTZ, N. This study was carried out to correlate total nitrogen analyzed by two different methods: Kjeldahl (wet oxidation) and Perkin-Elmer 2.400 Series II?CHN Mode (dry oxidation or combustion) in Histosols... ... Repository: BDPA Publication year: 2006
Pedogenesis on coastal tablelands area with low range altimetry in Paraíba state. Author(s): ARAUJO FILHO, J. C. de Small variations of relief may change drainage and runoff and hence promote the formation of sandy surface horizons and hardened subsurface horizons (fragipans and/or duripans) in Coastal Tablelands s... ... Repository: BDPA Publication year: 2019
Comparing methods for extracting heavy metals from Histosols for establishing quality reference values. Author(s): LIMA, E. S. A.; AMARAL SOBRINHO, N. M. B. do; PEREZ, D. V.; COUTINHO, I. B. The diversity of methods for heavy metal extraction from soils complicates comparison of results used by environmental agencies to establish quality reference values. The aim of this study was to eval... ... Repository: BDPA Publication year: 2016
Participação da matéria orgânica na capacidade de troca catiônica em solos antrópicos no Brasil: avaliação de dados secundários. Author(s): FONTANA, A.; TEIXEIRA, W. G. O presente trabalho apresenta uma avaliação de dados secundários, oriundos de diversas pesquisas com as TPI no Brasil, partindo da análise de dados quantitativos com vista a discussões qualitativas no... ... Repository: BDPA Publication year: 2017
Soils with dark subsurface horizons in saline basins in the Brazilian Pantanal. Author(s): FONTANA, A. Soils in the Brazilian Pantanal classified as Espodossolos and registered in the literature diverge from the central concept of pedogenesis by podzolization, especially due to the high values of pH an... ... Repository: BDPA Publication year: 2022
Cemented horizons and hardpans in the coastal tablelands of Northeastern Brazil. Author(s): GOMES, J. B. V.; ARAUJO FILHO, J. C. de; VIDAL-TORRADO, P.; COOPER, M.; SILVA, E. A. da; CURI, N. Horizons with varying degrees of cementation are a common feature of the soils from the coastal tablelands of Northeastern Brazil. In most cases, these horizons are represented by the following subsur... ... Repository: BDPA Publication year: 2017
Organossolos e outros solos com horizontes orgânicos no Brasil: abrangência e área manejada entre os anos de 1994 a 2020. Author(s): FONTANA, A. A quantificação dos solos orgânicos (Organossolos e outros solos com horizontes orgânicos) quanto à área de ocorrência e manejados no Brasil é feita com intuito de elaborar o Inventário Nacional de Em... ... Repository: BDPA Publication year: 2020
Resposta de vetiver à aplicação de calcário e fósforo em três classes de solo. Author(s): TEIXEIRA, P. C.; TEIXEIRA, W. G.; LIMA, W. A. A. de O vetiver tem sido bastante utilizado para controle de erosão, principalmente em áreas degradadas em que o horizonte superficial do solo foi removido. O manejo do solo pode influenciar a eficiência de... ... Repository: BDPA Publication year: 2015

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