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Cemented horizons and hardpans in the coastal tablelands of Northeastern Brazil. 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
Morphology, mineralogy and micromorphology of soils associated to summit depressions of the Northeastern Brazilian coastal plains. The scarcity of comprehensive characterizations of soils associated to gentle summit depressions of the Northeastern Brazilian Coastal Plains justifies this work, which had as objective to provide bas... ... Repository: BDPA Publication year: 2012
Soils with dark subsurface horizons in saline basins in the Brazilian Pantanal. 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
Baseline and quality reference values for natural radionuclides in soils of Rio de Janeiro State, Brazil. A first large-scale systematic survey of natural radioactivity contents of soils of the state of Rio de Janeiro is presented, focused on the establishment of Quality Reference Values (QRVs). Undisturb... ... Repository: BDPA Publication year: 2018
Stock of organic carbon in spodic horizons of Brazilian Spodosols. 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
Insights into the composition of humin from an irish grassland soil. Humin is defined as the fraction of the humic substances (HS) that is insoluble in aqueous solution at any pH value (1). Because of its insolubility it has been the least studied of all the humic frac... ... Repository: BDPA Publication year: 2008
Genesis and micropedology of soils at Serra do Divisor and Moa river floodplain, northwestern Acre, Brazilian Amazonia. The northwestern part of the Acre State (Brazil) possesses singular soils in Brazilian Amazonia, but have been very little studied. This study aimed to discuss the genesis and some micropedological as... ... Repository: BDPA Publication year: 2020
Geographic patterns of tree dispersal modes in Amazonia and their ecological correlates. Aim: To investigate the geographic patterns and ecological correlates in the geographic distribution of the most common tree dispersal modes in Amazonia (endozoochory, synzoochory, anemochory and hydr... ... Repository: BDPA Publication year: 2023
Pedogenesis on coastal tablelands area with low range altimetry in Paraíba state. 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

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