Johan Arvidsson, Thomas Keller, Karin Gustafsson. Specific draught for moldboard plough, chisel plough and disc harrow at different water contents[J]. Soil & Tillage Research, 2004, 79(2), 221-231.
[5]
Watts C W, Dexter A R, Dumitru E Arvidsson. An assessment of the vulnerability of soil structure to destabilization during tillage, part 1. a laboratory test[J]. Soil & Tillage Research, 1996, 37(2-3):161-174.
[6]
Hoogmoed W B, Cadena-Zapata M, Perdok U D. Laboratory assessment of the workable range of soils in the tropical zone of Veracruz, Mexico[J]. Soil & Tillage Research, 2003, 74(2): 169-178.
[7]
Diaz-Zorita M, Perfect E, Grove J H. Disruptive methods for assessing soil structure[J]. Soil & Tillage Research, 2002, 64(2): 3-22.
[8]
Munkholm L J, Schjonning P, Kay B D. Tensile strength of soil cores in relations to aggregate strength, soil fragmentation and pore characteristics[J]. Soil & Tillage Research, 2002, 64(2): 125-135.
[9]
Turcotte D L. Fractals and fragmentation[J]. Journal of Geophysical Research, 1986, 91(B2):1921-1926.
[10]
Perfect E, Rasiah V, Kay B D. Fractal dimensions of soil aggregate-size distributions calculated by number and mass[J]. Soil Sei. Soc. Am. J., 1992,56(5):1 407-1 409.
[11]
Gimenez D Perfect, Rawls E, Pachepsky W J, et al. Fractal models for predicting soil hydraulic properties: a review [J]. Engineering Geology, 1997, 48(3-4) : 161- 183.
[12]
Braunack M V, Hewitt J S, Dexter A R. Brittle fracture of soil aggregates and the compaction of aggregate beds[J]. J. Soil Sci., 1979, 30: 653-667.
[13]
Hadas A. Long-term tillage practice effects on soil aggregation modes and strength[J]. Soil Sci. Soc. Am. J., 1987, 51(1) :191 - 197.
[14]
Millan H, Gonzalez-posad M, Benito R M. Fragmentation fractal dimensions of Verisol samples: influence of sieving time and soil pretreatment[J]. Geoderma, 2002, 109(1-2) :75-83.
[15]
Pirmoradian N, Sepaskhah A R, Hajabbasi M A. Application of fractal theory to quantify soil aggregate stability as influenced by tillage treatments[J]. Bio-systems Engineering, 2005, 90(2):227-234.
Ding Qishuo, Ding Weimin. Stress wavelets: multi-scale and multi-resolution assessment of soil structure by the drop-shatter method[J]. Soil & Tillage Research, 2006, 88(1-2): 168-179.
[23]
Hallett P D, Dexter A R, Seville J K. Identification of pre-existing cracks on soil fracture surfaces using dye[J]. Soil & Tillage Research, 1995, 33(3- 4) : 163- 184.
[24]
Gulser C. Effect of forage cropping treatments on soil structure relationships with fractal dimensions[J]. Geoderma, 2006, 131(1-2) :33-44.