Categories of soil structure based on mechanical behaviour and their evaluation using additions of lime and gypsum on a sodic Vertisol

Australian Journal of Soil Research

Volumn 37, Issue 5, 1999, Pages 903-911

  Chan, K Y ^a   Dexter, A R ^b   McKenzie, D C ^c,d  

^a NSW DEPARTMENT OF PRIMARY INDUSTRIES   (Australia)

^b STATE RESEARCH INSTITUTE   (Poland)

^c Biological and Chemical Research Institute   (Australia)

^d NONE   (Australia)

Author keywords

Aggregates; Fractals; Fracture; Friability; Microcracks; Self mulching; Self simila rity; Tensile strength

Indexed keywords

AGGREGATE STABILITY; GYPSUM; LIME; SOIL STRUCTURE; VERTISOL;

EID: 0032850298     PISSN: 00049573     EISSN: None     Source Type: Journal    
DOI: 10.1071/SR98036     Document Type: Article

References (22)

1. Braunack, M. V., Hewitt, J. S., and Dexter, A. R. (1979). Brittle fracture of soil aggregates and the compaction of aggregate beds. Journal of Soil Science 30, 653-67.
2. Dexter, A. R., and Kroesbergen, B. (1985). Methodololgy for determination of tensile strength of soil aggregates. Journal of Agricultural Engineering Research 31, 139-47.
3. Dexter, A. R., and Watts, C. W. (1998). Tensile strength and friability. In 'Soil Analysis: Physical Methods'. 2nd Edn. (Eds K. A. Smith and C. E. Mullins.) pp. 262-80. (Marcel Dekker: New York.) (in press).
4. Freudenthal, A. M. (1968). Statistical approach to brittle fracture. In 'Fracture'. Vol. 2. (Ed. H. Liebowitz.) pp. 591-619. (Academic Press: New York.)
5. Gardner, H. W., and Gardner, H. V. (1953). 'The Use of Lime.' pp. 25-40. (Farmer & Stock Breeder Publications Ltd: London.)
6. Grant, C. D., and Blackmore, A. V. (1991). Self-mulching behaviour of clay soils: its definition and measurement. Australian Journal of Soil Research 29, 155-73.
7. Grant, C. D., and Dexter, A. R. (1989). Generation of microcracks in moulded soils by rapid wetting. Australian Journal of Soil Research 27, 169-82.
8. Grant, C. D., Dexter, A. R., and Huang, C. (1990). Roughness of soil fracture surfaces as a measure of soil microstructure. Journal of Soil Science 41, 95-110.
9. Hallett, P. D., Dexter, A. R., and Seville, J. P. K. (1995a). The application of fracture mechanics to dry soil. European Journal of Soil Science 46, 591-9.
10. Hallett, P. D., Dexter, A. R., and Seville, J. P. K. (1995b). Identification of pre-existing pore space on soil fracture surfaces using dye. Soil and Tillage Research 33, 163-84.
11. Horn, R., and Dexter, A. R. (1989). Dynamics of soil aggregation in an irrigated desert loess. Soil and Tillage Research 13, 253-66.
12. Isbell, R. F. (1996). 'The Australian Soil Classification.' (CSIRO Australia: Melbourne.)
13. Macks, S. P., Murphy, B. W., Cresswell, H. P., and Koen, T. D. (1996). Soil friability in relation to management history and suitability for direct drilling. Australian Journal of Soil Research 34, 343-60.
14. McGarry, D. (1996). The structure and grain size distribution of Vertisols. In 'Vertisols and Technologies for their Management'. (Eds N. Ahmad and A. Mermut.) Developments in Soil Science 24. (Elsevier: Amsterdam.)
15. McKenzie, D. C., and So, H. B. (1989). Effect of gypsum on Vertisols of Gwydir Valley, New South Wales. 2. Ease of tillage. Australian Journal of Experimental Agriculture 29, 63-7.
16. Mandelbrot, B. B. (1975). 'Les Objects Fractals: Forme, Hasard et Dimension.' (Flammarion: Paris.)
17. Mandelbrot, B. B. (1983). 'The Fractal Geometry of Nature.' (W. H. Freeman: New York.)
18. Pillai-McGarry, U. P. P., and Collis-George, N. (1990). Laboratory simulation of the surface morphology of self-mulching and non self-mulching Vertisols. 2. Quantification of visual features. Australian Journal of Soil Research 28, 142-52.
19. Probert, M. E., Fergus, I. F., Bridge, B. J., McGarry, D., Thompson, C. H., and Russell, J. S. (1987). 'The Properties and Management of Vertisols.' (CAB International: Wallingford.)
20. Shanmuganathan, R. T., and Oades, J. M. (1983). Modification of soil physical properties by addition of calcium compounds. Australian Journal of Soil Research 21, 285-300.
21. Utomo, W. H., and Dexter, A. R. (1981). Soil friability. Journal of Soil Science 32, 203-13.
22. Watts, C. W., and Dexter, A. R. (1998). Soil friability: theory, measurement and the effects of management and organic carbon content. European Journal of Soil Science 49, 73-84.