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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
Identifying soil horizons transitions for ground-truthing and interpreting ground penetrating radar (GPR) imagery of Planosols. Author(s): NASCIMENTO, C. W. R. do; CEDDIA, M. B.; VASQUES, G. M.; RODRIGUES, H. M.; MARTINS, S. S.; OLIVEIRA, R. P. de; TAVARES, S. R. de L. The Ground Penetrating Radar (GPR) has potential to characterize soils both vertically and horizontally. The effectiveness of using GPR relies on the interpretation of soil targets in the radargrams.... ... Repository: BDPA Publication year: 2023
Soils with dark subsurface horizons in saline basins in the Brazilian Pantanal. Author(s): MENEZES, A. R. de; FONTANA, A.; ANJOS, L. H. C. dos; PEREIRA, M. G.; SCHIAVO, J. 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
Resistance of soil organic matter in "humic A horizons" of the mountainous region in the state of Rio de Janeiro. Author(s): FONTANA, A.; PEREIRA, M. G.; BALIEIRO, F. de C.; CHAGAS, C. da S.; DONAGEMMA, G. K.; OLIVEIRA, L. S de Soils with high organic carbon content, such as those with "humic A horizon", occur in different regions of Brazil. This study aimed to determine the quantitative and qualitative characteristics of or... ... Repository: BDPA Publication year: 2020
Chemical of soils with histic horizon of lakes and riparian of the Savanna, Northern Amazonia, Brazil. Author(s): DUARTE, E. D. R. S.; MELO, V. F.; NOVOTNY, E. H.; UCHÔA, S. C. P.; FARIAS, H. L. S.; VELOSO, G. V.; AMORIM, R. J. P.; MATIAS, T. M. de L. C.; CABRAL, J. V. de P. The savanna of the northern Amazon of Brazil is an ecosystem that presents lakes and riparian of buriti (Mauritia flexuosa L.) in its landscape. Although these ecosystems are protected by law, they ar... ... Repository: BDPA Publication year: 2019
Relationships between A and B/A2 horizons of three soils in the context of viticulture. Author(s): FILIPPINI ALBA, J. M.; FLORES, C. A.; MIELE, A. The purpose of this study was a comparison of soil parameters among superficial and sub-superficial horizons of three representative type of soils in Vale dos Vinhedos, Brazil, aiming Viticulture in g... ... Repository: BDPA Publication year: 2021
Creation of fertile soil horizons (anthrosols) in the pre colombian times by using organic wastes. Author(s): TEIXEIRA, W. G. The process of formation and evolution of distinct anthropic horizons found widespread in Brazil will be reviewed and discussed focusing in the waste management. The Amazonian Dark Earths (Terra Preta... ... Repository: BDPA Publication year: 2015
Genesis of textural contrasts in subsurface soil horizons in the northern Pantanal-Brazil. Author(s): NASCIMENTO, A. F. do; FURQUIM, S. A. C.; COUTO, E. G.; BEIRIGO, R. M.; OLIVEIRA JUNIOR, J. C. de O.; CAMARGO, P. B. de; VIDAL-TORRADO, P. O Pantanal caracteriza-se por ser uma planície inundável quaternária, com sedimentação predominantemente na forma de leques aluviais. Na evolução geomorfológica e sedimentar, é inerente a esse sistema... ... Repository: BDPA Publication year: 2013
Organic phosphorus in diagnostic surface horizons of different brazilian soil orders. Author(s): OLIVEIRA, R. I. de; GAMA-RODRIGUES, A. C.; GAMA-RODRIGUES, E. F.; ZAIA, F. C.; PEREIRA, M. G.; FONTANA, A. Em solos tropicais, a disponibilidade de fósforo (P) pode ser regulada pela decomposição e mineralização da fração lábil de P orgânico (Po), tornando necessários estudos para saber a sua real contribu... ... Repository: BDPA Publication year: 2014
Organic carbon determination in histosols and soil horizons with high organic matter content from Brazil. Author(s): PEREIRA, M. G.; VALLADARES, G. S.; ANJOS, L. H. C. DOS; BENITES, V. de M.; ESPÍNDULA JÚNIOR, A. Sistemas taxonômicos distinguem horizontes e/ou camadas minerais das orgânicas baseando-se na quantidade de carbono orgânico. Assim, o procedimento adotado em pesquisas para a quantificação do conteúd... ... Repository: BDPA Publication year: 2006

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