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Characterization of soil structure and porosity under long-term conventional tillage and no-tillage systems Rev. Bras. Ciênc. Solo
Tavares Filho,João; Tessier,Daniel.
Different management systems tend to modify soil structure and porosity over the years. The aim of this study was to study modifications in the morphostructure and porosity of dystroferric Red Latosol (Oxisol) under conventional tillage and no-tillage over a 31- year period. The study began with the description of soil profiles based on the cropping profile method, to identify the most compact structures, define sample collection points for physical and chemical analysis, and determine the water retention curve. A forest soil profile was described and used as reference. The results showed that, under conventional tillage, the microaggregate structure of the Oxisol was fragmented between 0 and 0.20 m, and compact (bulk density = 1.52 Mg m-3) in the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Latosol/Oxisol; Soil management; Cropping profile method; Water retention curve.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832009000600032
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