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Suscetibilidade Magnética Como Indicador De Qualidade Do Solo Em áreas Sob Cultivo De Cana-de-açúcar
Authors
Barrios M.R.
Marques Junior J.
+4 more
Matias S.S.R.
Panosso A.R.
Scala Junior N.
Siqueira D.S.
Publication date
17 August 2017
Publisher
'Editora da Universidade Federal Rural do Semi-Arido - EdUFERSA'
Abstract
Sugarcane management practices (unburned cane - UC and burned cane - BC) interfere with dynamics of soil magnetic properties. This study focused on determining the potential of magnetic susceptibility as soil quality indicator in areas under sugarcane cultivation. The experiment area is on the limit between basalt from São Bento Group, Serra Geral Formation, and sandstone from Bauru Group - Adamantina Formation. Twenty soil samples were collected from two management areas (burned and unburned sugarcane prior to harvest) at a depth range of 0.0-0.2 m. Local soil was classified as eutroferric Red Latosol (Oxisol), with highly clayey texture. Chemical and physical properties, CO2 emissions and magnetic susceptibility (MS) in air-dried fine earth (MSADFE), total sand fraction (MSTS) and clay fraction (MSCF). The magnetic signature from MS was effective in identifying changes of physical, chemical and mineralogical traits in Latosols under burned and unburned sugarcane crop. The information provided here can guide further studies on the genesis of minerals with magnetic expression in environments and exposed to fire burning. © 2016, Universidade Federal Rural do Semi-Arid. All rights reserved.30228729
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Last time updated on 10/04/2020