University of Tehran Press Iranian Journal of Soil and Water Research 2008-479X 40 1 2010 02 20 Determination of Minimum Soil Column Length to Determine Soil Hydraulic Diffusivity Function through A Simple Method Determination of Minimum Soil Column Length to Determine Soil Hydraulic Diffusivity Function through A Simple Method 19903 FA Ali Shabani Alireza Sepaskhah Journal Article Cumulative horizontal infiltration diffusivity horizontal Infiltration rate Soil hydraulic https://ijswr.ut.ac.ir/article_19903_981ec2327e01401e552164ed7314d4b0.pdf