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Aggregation of subtropical soil under liming: a study using laser diffraction Rev. Bras. Ciênc. Solo
Bortoluzzi,Edson Campanhola; Poleto,Cristiano; Baginski,Álvaro José; Silva,Vanderlei Rodrigues da.
Laser diffraction (LD) provides detailed analysis of particle size distribution. Its application to testing the stability of soil aggregates can assist studies on the aggregation of soils with contrasting electrochemical properties. The objectives of the present work were: (a) to propose a protocol for using LD to study soil aggregation, (b) to study the aggregation of an Acrisol under the influence of different doses and forms of lime. Samples were collected in 2005 from a Brazilian Acrisol that in 1994 had received 0.0; 2.0; 8.5 and 17.0 Mg ha-1 of lime, left on the soil surface or incorporated. Aggregates from 4.76 to 8.00 mm diameters were studied using the traditional method proposed by Kemper & Chepil (1965), with wet sieving, while...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Laser granulometry; Aggregate stability; Particle cohesion.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832010000300014
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