Study results showed it possible to analyze quantitatively pore variability in small scale and pore complexity in various soils under different treatments by using the method of digital image. Pore has high variability on 2mm scale as well as high complexity. Pores showed the shapes of various networks in the recon structed soils while showed the shapes of irregular branches or ellipses. There are discrepancies of various extents in pore perimeter, porosity, variability and complexity in different soils under different treatments.
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Li De-cheng, Velde B, Zhang Tao-lin. QUANTITATIVE ESTIMATION OF PORE VARIABILITY AND COMPLEXITY IN SOILS BY DIGITAL IMAGE METHOD[J]. Acta Pedologica Sinica,2003,40(5):678-682.