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Characterization of an Amazon Soil Profile by Laser-Induced Breakdown, Raman, and Fluorescence Spectroscopies. Author(s): HUAMÁN, J. L. C.; TADINI, A. M.; SENESI, G. S.; MOUNIER, S.; MILORI, D. M. B. P.; NICOLODELLI, G. This work aimed to investigate, in detail, the elemental and molecular composition of soil samples collected from the various horizons of an Amazon spodosol profile by combining the atomic technique l... ... Repository: BDPA Publication year: 2023
Soil fertility, mineral nitrogen and microbial biomass in upland soils of the Central Amazon under different plant covers. Author(s): MOREIRA, A.; FAGERIA, N. K. Amazon is the largest State of Brazil and major area of the State is covered by a largest tropical rainforest of the world. Most soils of the Amazon region soils are characterized as acidic and infert... ... Repository: BDPA Publication year: 2009
Carbon sequestration in agricultural soils in the Cerrado region of the brazilian Amazon. Author(s): CARVALHO, J. L. N.; CERRI, C. E. P.; FEIGL, B. P.; PÍCCOLO, M. C.; GODINHO, V. de P. C.; CERRI, C. C. The introduction of crop management practices after conversion of Amazon Cerrado into cropland influences soil C stocks and has direct and indirect consequences on greenhouse gases (GHG) emissions. Th... ... Repository: BDPA Publication year: 2009
Intentional creation of carbon-rich dark earth soils in the Amazon. Author(s): SCHMIDT, M. J.; GOLDBERG, S. L.; HECKENBERGER, M.; FAUSTO, C.; FRANCHETTO, B.; WATLING, J.; LIMA, H.; MORAES, B.; DORSHOW, W. B.; TONEY, J.; KUIKURO, Y.; WAURA, K.; KUIKURO, H.; KUIKURO, T. W.; KUIKURO, T.; KUIKURI, Y.; KUIKURO, A.; TEIXEIRA, W. G.; ROCHA, B.; HONORATO, V.; TAVARES, H.; MAGALHÃES, M.; BARBOSA, C. A.; FONSECA, J. A. da; MENDES, K.; ALLEONI, L. R. F; CERRI, C. E. P.; ARROYO-KALIN, M.; NEVES, E.; PERRON, J. T. Fertile soil known as Amazonian dark earth is central to the debate over the size and ecological impact of ancient human populations in the Amazon. Dark earth is typically associated with human occupa... ... Repository: BDPA Publication year: 2023
Potential of Brazilian Amazon soils for food and fiber production. Author(s): MOREIRA, A.; FAGERIA, N. K. The Amazon region has the world's largest tropical forest. Its conservation is of high importance to maintain the balance of climatic conditions and the diversity of the flora and fauna of this still... ... Repository: BDPA Publication year: 2008
Geochemical background for potentially toxic elements in forested soils of the state of Pará, Brazilian Amazon. Author(s): GONÇALVES, D. A. M.; PEREIRA, W. V. da S.; JOHANNESSON, K. H.; PEREZ, D. V.; GUILHERME, L. R. G.; FERNANDES, A. R. The objectives of this study were to establish geochemical background values of aluminum (Al), iron (Fe), arsenic (As), barium (Ba), cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), manganese (M... ... Repository: BDPA Publication year: 2022
Soil organic matter and fertility of anthropogenic dark earths (Terra Preta de Índio) in the Brazilian Amazon basin. Author(s): CUNHA, T. J. F.; MADARI, B. E.; CANELLAS, L. P.; RIBEIRO, L. P.; BENITES, V. de M.; SANTOS, G. de A. The Brazilian Amazon basin in soil organic matter and fertility of anthropogenic dark earths (Terra Preta de Índio). Repository: BDPA Publication year: 2009
Soil organic matter molecular composition shifts driven by forest regrowth or pasture after slash-and-burn of Amazon Forest. Author(s): 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. Slash-and-burn of Amazon Forest (AF) for pasture establishment has increased the occurrence of AF wildfires. Recent studies emphasize soil organic matter (SOM) molecular composition as a principal dri... ... Repository: BDPA Publication year: 2023
Soil enzyme activity in conservation systems in the Southwestern Brazilian Amazon. Author(s): COSTA, F. de S.; AMANCIO, M. C. A. de A.; MENDES, I. de C. Conservation agriculture in family production in the sandy soil of Mâncio Lima municipality, western Acre State, has a positive effect on its biological attributes. Repository: BDPA Publication year: 2022
Soil carbon in integrated agricultural production systems in the Cerrado-Amazon transition area. Author(s): OLIVEIRA, J. de M.; MADARI, B. E.; ASSIS, P. C. R.; SILVEIRA, A. L. R.; WRUCK, F. J. The objective of this scientific research was to identify the origin and quantify C accumulation in the soil after 3.5 years of implantation of a crop-livestock-forest integration system (ICLF) in the... ... Repository: BDPA Publication year: 2021

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