c     ------------------------------------------------------------------
c
c     This common block contains variables representing the
c     decomposition mass properties for each subregion.
c
c     Parameter include files:  p1werm.inc
c
c     + + + VARIABLE DECLARATIONS + + +
c
      real             admres(mnsub)
      real             adma(0:mncz,mnsub)
      real             admb(mnbpls,mnsz,mnsub)
      real             admbt(mnsub)
      real             admr(mnbpls,mnsz,mnsub)
c
      common / d1mass /
     r                  admres, adma, admb, admbt, admr
c
c     + + + VARIABLE DEFINITIONS + + +
c
c     admres - Plant residues on the soil surface (kg/ha)
c
c              range values      min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------
c
c            - This variable contains the
c
c
c     adma   - Decomposition biomass pools above ground by height
c              (kg/m^2) (height = 0 indicates surface)
c
c              range values      min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------
c
c            - This variable contains the
c
c
c     admb   - Decomposition biomass pools below ground by layer
c              (kg/m^2)
c
c              range values      min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------
c
c            - This variable contains
c
c
c     admbt  - Total decomposition biomass below ground
c              (kg/m^2)
c
c              range values      min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------
c
c            - This variable contains
c
c     admr   - Decomposition root biomass pools below ground by layer
c              (kg/m^2)
c
c              range values      min        max
c              ------------   ---------  ---------
c              fixed          fmin       fmax
c              typical        tmin       tmax
c              ------------   ---------  ---------
c
c            - This variable contains
c
c     ------------------------------------------------------------------