On the Visual Evaluation of Soil Structure: The Brazilian experience in Oxisols under no-tillage

被引：38

作者：

Balarezo Giarola, Neyde Fabiola ^{[1
]}

da Silva, Alvaro Pires ^{[2
]}

Tormena, Cassio Antonio ^{[3
]}

Locks Guimaraes, Rachel Muylaert ^{[3
]}

Ball, Bruce C. ^{[4
]}

机构：

[1] Univ Estadual Ponta Grossa, Dept Ciencia Solo & Engn Agr, BR-84030900 Ponta Grossa, PR, Brazil

[2] ESALQ USP, Dept Solos & Nutr Plantas, BR-13418900 Piracicaba, SP, Brazil

[3] Univ Estadual Maringa, Dept Agron, BR-87020900 Maringa, Parana, Brazil

[4] SAC, Crop & Soil Syst Res Grp, Edinburgh EH9 3JG, Midlothian, Scotland

来源：

SOIL & TILLAGE RESEARCH | 2013年 / 127卷

关键词：

Soil physical quality; Soil aggregates; Soil morphology; Mechanical subsoiling; Biological subsoiling; COMPACTION; QUALITY; PARANA;

D O I：

10.1016/j.still.2012.03.004

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

The Visual Evaluation of Soil Structure is a helpful tool for assessing the physical quality of soil, since it allows detailed examination of the soil structure as well as identification of layers modified by soil management. The Visual Evaluation of Soil Structure (VESS) method (Ball et al., 2007) has been applied in Brazil because it is simple and relatively objective, giving semi quantitative results quickly. It was used to determine the physical quality of soils under systems of no-tillage. In the present study, the potential for utilization of the VESS method was studied in three field experiments under no-tillage: (i) a comparison between mechanical and biological soil loosening, (ii) a study of changes in soybean yield and soil structural quality along a transect with a soil textural gradient, and (iii) a comparison with Visual Soil Assessment (VS) method (Shepherd, 2009) along the same transect Overall the use of VESS proved to be an efficient semi quantitative methodology for assessing soil physical quality in Brazilian soils under no-tillage. (c) 2012 Elsevier B.V. All rights reserved.

引用

页码：60 / 64

页数：5

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