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Author(s): SOUZA, S. F. F. de; ARAÚJO, M. do S. B. de; DEMATTÊ, J. A. M.; ARAUJO FILHO, J. C. de

Knowing particularities of soils allows the adoption of sustainable management practices. The most efficient method to obtain data on the soil is through its characterization, essential for planning l... ...

Repository: BDPA     Publication year: 2020

Author(s): SANTOS, H. G. dos; ANJOS, L. H. C. dos; LUMBRERAS, J. F.; OLIVEIRA, V. A. de; JACOMINE, P. K. T.; ALMEIDA, J. A. de; COELHO, M. R.; ARAUJO FILHO, J. C. de; POLIDORO, J. C.

The first edition of SiBCS was published in 1999, with an Executive Committee that has the goal of validating, and evaluating proposal of new classes. Regional groups contribute to development of the... ...

Repository: BDPA     Publication year: 2019

Author(s): TAVARES, O. C. H.; TAVARES, T. R.; PINHEIRO JUNIOR, C. R.; SILVA, L. M. da; WADT, P. G. S.; PEREIRA, M. G.

The southwestern region of the Amazon has great environmental variability, presents a great complexity of pedoenvironments due to its rich variability of geological and geomorphological environments,... ...

Repository: BDPA     Publication year: 2022

Author(s): VILLAS BOAS, P. R.; FRANCO, M. A. M.; MARTIN NETO, L.; GOLLANY, H. T.; MILORI, D. M. B. P.

In-field soil health assessments, including plant nutrients and toxic elements, are needed and could improve the sustainability of agriculture production. Among the available analytical techniques for... ...

Repository: BDPA     Publication year: 2019

Author(s): SANTOS, H. G. dos; JACOMINE, P. K. T; ANJOS, L. H. C. dos; OLIVEIRA, V. A. de; LUMBRERAS, J. F.; COELHO, M. R.; ALMEIDA, J. A. de; ARAUJO FILHO, J. C. de; OLIVEIRA, J. B. de; CUNHA, T. J. F.

Diagnostic attributes and other attributes; Diagnostic surface horizons and diagnostic subsurface horizons; Categorical levels of the system, nomenclature of classes, bases and criteria, concept and d... ...

Repository: BDPA     Publication year: 2018

Author(s): MORAIS, P. A. O.; SOUZA, D. M.; MADARI, B. E.; CARVALHO, M. T. M.

O objetivo deste trabalho é propor uma metodologia de classificação textural através de MIR e do método de calibração multivariado máquinas de vetores de suporte por mínimos quadrados.

Repository: BDPA     Publication year: 2018

Author(s): CORDEIRO, F. R.; CESÁRIO, F. V.; FONTANA, A.; ANJOS, L. H. C. dos; CANTO, A. C. B. do; TEIXEIRA, W. G.

Chemical soil analysis data can be expressed by weight (i.e., gravimetric basis) or volume (i.e., volumetric basis) of the fine earth (sieved >=2 mm), resulting in different units, cmolc kg-1 and cmol... ...

Repository: BDPA     Publication year: 2020

Author(s): ARAUJO FILHO, J. C. de; MARQUES, F. A.; SILVA, K. E. da

The objective of this work is to present taxonomic information on soil great groups not yet cataloged in the SiBCS.

Repository: BDPA     Publication year: 2019

Author(s): SILVA NETO, L. de F. da; INDA, A. V.; NASCIMENTO, P. C. do; GIASSON, E.; SCHMITT, C.; CURI, N.

In the Porto Alegre metropolitan region (PAMR) there are a significant proportion of floodplain soils, mainly Planosols and Gleysols, in relation to upland soils. This study aimed to evaluate the morp... ...

Repository: BDPA     Publication year: 2015

Author(s): VASQUES, G. de M.; DEMATTE, J. A. M.; LOPEZ, L. R.; TERRA, F. da S.

Abstract : Visible/near-infrared diffuse reflectance spectroscopy (VNIRS) offers an alternative to conventional analytical methods to estimate various soil attributes. However, the use of VNIRS in soi... ...

Repository: BDPA     Publication year: 2011

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