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 Author(s): MENDONÇA, B. A. F. de; SCHAEFER, C. E. G. R.; FERNANDES-FILHO, E. I.; SIMAS, F. N. B.; AMARAL, E. F. do 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... ... |
 Author(s): OLIVEIRA JUNIOR, J. C. de; CHIAPINI, M.; NASCIMENTO, A. F. do; COUTO, E. G.; BEIRIGO, R. M.; VIDAL-TORRADO, P. The simultaneous occurrence of high levels of exchangeable sodium percentage (ESP) and alkalinity in soils imposes restrictions on plant development and affects physical properties such as porosity, b... ... |
 Author(s): DORTZBACK, D.; PEREIRA, M. G.; ANJOS, L. H. C. dos; FONTANA, A.; SILVA NETO, E. de C. Soils formed in high mountainous regions in southern Brazil are characterized by great accumulation of organic matter (OM) in the surface horizons and variation in the degree of development. We hypoth... ... |
 Author(s): ROLIM NETO, F. C.; SCHAEFER, C. E. G. R.; CAMÊLO, D. de L.; CORRÊA, M. M.; PARAHYBA, R. da B. V.; CALDAS, A. M.; IBRAIMO, A. S. M. The micromorphology of deeply weathered soils (Ferralsols/Latossolos) from the Central Plateau of Brazil remains little studied, and its affiliation to different parent materials, poorly known. To cla... ... |
 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... ... |
 Author(s): CARVALHO FILHO, A. de; MOTTA, P. E. F. da; CARVALHO, A. L. L. de Aiming to contribute to the development and improvement of modern soil mapping techniques, an analysis of the basic concepts and practices adopted by the Digital Soil Mapping was performed, under the... ... |
 Author(s): OLIVEIRA, F.; SCHAEFER, C.; ABRAHÃO, W.; ALMEIDA, E. de P. C.; SIMAS, F. The formation of highly phosphatized soils on sites of avian activity is a common feature of oceanic islands. We characterized a toposequence of phosphatic soils on Rata Island, to evaluate the soil g... ... |
 Author(s): SARAIVA, S. M.; FRAGA, V. da S.; ARAUJO FILHO, J. C. de; SANTOS, R. F. dos; DIAS, B. de O.; FELIX, E. dos S.; SOUSA, J. I. de; CARNEIRO, K. A. A. There is still little information about Neossolos Regoliticos ( Neosols) , therefore, generating information about fertility, genesis and mineralogy is important to define the proper use and managemen... ... |
 Author(s): NEVES, L. V. de M. W.; SANTOS, J. C. B. dos; SOUZA JÚNIOR, V. S. de; CORRÊA, M. M.; ARAUJO FILHO, J. C. de Nitisols are livelihood sources of agricultural and socio-economic development in several underdeveloped countries worldwide, including Brazil. Brazilian Nitisols are usually associated with basaltic... ... |
 Author(s): SIMOES, F. R.; TOLEDO, R. A. de; RODRIGUES, J. L.; VAZ, C. M. P.
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