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Bioporosity in Thin Sections of Luvic Phaeozems of Southeast of Buenos Aires, Argentina, and Its Possible Role as an Indicator of Soil Quality. An Micromorphological Approach by M. F. Alvarez; R. M. Poch; M. Osterrieth is a Agricultural and Biological Sciences article available to read on EtoBox.

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Soil micromorphology, by means of the description and analysis of soil thin sections, provides information about soil microstructure, which includes, among other features, morphological data on the aggregates and the porosity derived from structure formation. Soil porosity may be due to both abiotic factors and biological activity (biopores). The aim of this study is to validate a methodology for the quantification of bioporosity in thin sections of Luvic Phaeozems of Argentina, for its use as soil quality indicator. Soil samples were taken from the surface horizon in plots with different uses: reserve (R), agricultural (A), Eucalyptus globulus forest plantation (E), and Pinus radiata forest plantation (P). In each site, bulk density, penetration resistance, structural stability, organic matter, and pH were determined. Three undisturbed samples were taken, impregnated with resin, and treated using routine techniques to obtain soil thin sections. Volume percentages of total porosity and biopores were determined in the thin sections using two methodologies (I: irregular polygon on the outline of the biopore and II point counting), in order to obtain an estimation of the biological ac

Who reads Bioporosity in Thin Sections of Luvic Phaeozems of Southeast of Buenos Aires, Argentina, and Its Possible Role as an Indicator of Soil Quality. An Micromorphological Approach?

Author

M. F. Alvarez; R. M. Poch; M. Osterrieth

Publisher

Pleiades Publishing Ltd

Published

2021

Language

EN

Field

Agricultural and Biological Sciences (Physical Sciences)