The effect of intrinsic soil properties on soil quality assessments

Revista Brasileira de Ciência do Solo. 2013;37(5):1236-1244 DOI 10.1590/S0100-06832013000500013


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Journal Title: Revista Brasileira de Ciência do Solo

ISSN: 0100-0683 (Print); 1806-9657 (Online)

Publisher: Sociedade Brasileira de Ciência do Solo

Society/Institution: Sociedade Brasileira de Ciência do Solo

LCC Subject Category: Agriculture: Agriculture (General)

Country of publisher: Brazil

Language of fulltext: English, Portuguese

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Alessandro Samuel-Rosa

Ricardo Simão Diniz Dalmolin

Pablo Miguel

Jovani Zalamena

Deborah Pinheiro Dick


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Time From Submission to Publication: 32 weeks


Abstract | Full Text

The assessment of soil quality is based on indicators and indices derived from soil properties. However, intrinsic soil properties may interfere with other soil properties that vary under different land uses and are used to calculate the indices. The aim of this study was to assess the extent to which intrinsic soil properties (clay and iron oxide contents) explain variable soil properties (sum of bases, potential acidity, organic carbon, total porosity, and bulk density) under different land uses (native forest, no-tillage and conventional agriculture) on small family farms in Southern Brazil. The results showed that the five properties evaluated can be included in soil quality assessments and are not influenced by the clay and iron oxide contents. It was concluded that for little weathered 1:1 and 2:1 phyllosilicate rich-soils, if the difference between the maximum and the minimum clay content under the different land uses is less than about 200 g kg-1 and the iron oxide content less than about 15 g kg-1, the physico-chemical soil properties in the surface layer are determined mostly by the land use.