  Inversion methodology has been used to obtain, from multi-layer soil probes
records, a complete soil parametrisation, namely water retention curve,
unsaturated conductivity curve and bulk density at 4 depths. The approach
integrates water dynamics, hysteresis and the effect of bulk density on
conductivity to extract soil parameters required from most simulation models.
The method is applied to sub-sets of data collection, allowing to understand
that not every data-sets contains the information required for method
convergence. A comparison with experimental bulk-density values show that
inversion could give information even with a better adherence to model, as it
considers the effect of roots and skeleton. The method may be applied to any
type of multi-layer water content probes giving the opportunity to enrich soil
parameter availability and reliability.
