c    file: cgrow.inc

c     This file contains the declaration of the common block of variables
c     related to conversion of biomass.


c     + + + VARIABLE DECLARATIONS + + +
      character cropname*80
      integer ir, je, daye,dtm , iprint,drmfl
      real be,dm,ddm,slai0,cht,
     & rw,rwt,u,su,yld,
     & pdm,strs,prw,pdmag,pclfwt,pcstwt,pcrpwt,pclfarea,pcstarea,pslai,
     & pssai,pcht,pchty,clfwt,cstwt,crpwt,clfarea,cstarea,ssai,
     & parea,pclfwtx,clfwtx,slai, dmag,
     & clfwtb,cstwtb,crpwtb,dmagb,clfwty,cstwty,crpwty,dmagy,clfwts,
     & cstwts,crpwts,dmags, prd, prdy, chaff,slaix,ssaix

      common / grow / be,dm,ddm,slai0,cht,iprint,
     & ir,rw,rwt(10),u(10),su,yld,je,
     & pdm,strs,prw,pdmag,pclfwt,pcstwt,pcrpwt,pclfarea,pcstarea,pslai,
     & pssai,pcht,pchty,clfwt,cstwt,crpwt,clfarea,cstarea,ssai,
     & parea, pclfwtx,clfwtx, slai, dmag,
     & clfwtb,cstwtb,crpwtb,dmagb,clfwty,cstwty,crpwty,dmagy,clfwts,
     & cstwts,crpwts,dmags, prd, prdy, chaff, slaix, ssaix,daye,dtm,
     & drmfl,cropname

c     + + + VARIABLE DEFINITIONS + + +
c     be - biomass conversion efficiency (kg/mj/ha)
c     chaff - material left on surface after harvest other than leaves
c             and stems (t/ha)
c     cht - actual plant height (m)
c     clfarea - green leaf area per plant
c     clfwt - leaf mass (t/ha)
c     clfwtb - periodic leaf mass (t/ha)
c     clfwts - seasonal leaf mass (t/ha)
c     clfwty - periodic leaf mass (t/ha)
c     cstwt - stem mass (t/ha)
c     cstwtb - periodic stem mass (t/ha)
c     cstwts - seasonal stem mass (t/ha)
c     cstwty - periodic stem mass (t/ha)
c     crpwt - rprd (reproductive) mass (t/ha)
c     crpwtb - periodic rprd mass (t/ha)
c     crpwts - seasonal rprd mass (t/ha)
c     crpwty - periodic rprd mass (t/ha)
c     cropname = name of a crop
c     daye - days after emergence
c     ddm - stress adjusted daily biomass production (t/ha)
c     dm - stress adjusted cummulated biomass (t/ha)
c     dmag - stress adjusted cumulated aboveground biomass (t/ha)
c     dmags - seaonal above-ground biomass (t/ha)
c     dmagy - periodic above-ground biomass (t/ha)
c     drmfl - dormancy flag (local variable)
c     drwt - daily root weight (t/ha)
c     dtm - days from planting to maturity
c     iprint - flag to print end-of-season values: 10/6/99
c     ir - deepest layer # to which roots have grown
c     parea - ground area per plant (cm^2)
c     pcht - potentail plant height (m)
c     pchty - potentail plant height on a previous day (m)
c     pclfarea - potential leaf area per plant (cm^2)
c     pclfwt - potential leaf mass (t/ha)
c     pclfwtx - potential leaf mass (t/ha)
c     crpwt - potential rprd (reproductive) mass (t/ha)
c     pddm - potential daily biomass production (t/ha)
c     pdm - potential cummulated biomass production (t/ha)
c     prd - potential root depth (m)
c     prdy - potential root depth on day i-1 (m)
c     qslai - same as slai (dummy variable)
c     qdmag - same as dmag (dummy variable)
c     rd - root depth (m)
c     rdmx - maximum root depth
c     rprwt  - reproductive weight (t/ha)
c     rw - total root weright (t/ha)
c     rwt - total root weight by layer (t/ha)
c     slai0 - leaf area index when leaf senescence starts
c     slaix - maximum actual leaf area index
c     ssaix - maximum actual stem area index
c     stemfwt - stem weight (t/ha)
c     wavp - parameter relating vapor pressure deficit to be
c     yld - crop yield (t/ha)