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|metadata.revistascielo.dc.title:||STRUCTURE SUSTAINABILITY EVALUATION OF ARGISSOLS IN FOREST SYSTEMS|
|metadata.revistascielo.dc.creator:||Junior, Moacir de Souza Dias|
Gomes, Antônio do Nascimento
Andrade, Sebastião da Cruz
Azevedo, Moisés Rabela
|metadata.revistascielo.dc.subject:||Compaction, preconsolidation pressure, mechanical operations|
|metadata.revistascielo.dc.description:||One of the limitations to reach sustainable forest development is related to mechanical harvest operations which may cause soil structure degradation. The objectives of this study were: to propose a structure sustainability model of soils cultivated with Eucalyptus spp. and to determine the effect of harvest operations on soil structure. This study was conducted in a Yellow Argisols (PA) cul-tivated with Eucalyptus. The depth 0,125-0,175 m of the PA texture loam/clay presented σp values larger than those of the 0,05-0,10 m depth, for any moisture content (U). In the depth 0,05-0,10 m the equations were statically different and the PA texture sand/loam presented σp values larger than the PA texture loam/clay for larger values of moisture content of 9 kg kg-1. Thus, it is expected that the superficial layer of the PA texture sand/loam supports larger pressures than the one of the PA texture loam/clay. The traffic made using the cart with two axes caused structure degradation in some sampled places.|
|Appears in Collections:||CERNE|
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