Ken,
Thanks for pointing out a problem with Ritchie et al. (1999) model in
estimating water holding capacity for soils with clay content of 20% or
higher. I would be thankful to you if you provide me with data for soils
that show such a problem.
Yours,
Ayman
Ayman Suleiman, PhD
Research Associate
Civil and Environmental Engineering Dept.
7B DANA Engineering Building
Bucknell University
Lewisburg, PA 17837
Voice: (570) 577-1692
Fax : (570) 577-3415