PARAMETERS
  BOUNDS SURFACE_ELECTRICAL_CONDUCTIVITY 1.d-4 0.01d0
  PARAMETER
    NAME SURFACE_ELECTRICAL_CONDUCTIVITY
    MATERIAL soil1
    INITIAL_VALUE 0.001d0
  /
  PARAMETER
    NAME SURFACE_ELECTRICAL_CONDUCTIVITY
    MATERIAL soil2
    INITIAL_VALUE 0.002d0
  /
/
