diff --git a/src/biogeochem/CNDriverMod.F90 b/src/biogeochem/CNDriverMod.F90
index f672d5eeb1..ba2a803719 100644
--- a/src/biogeochem/CNDriverMod.F90
+++ b/src/biogeochem/CNDriverMod.F90
@@ -699,7 +699,8 @@ subroutine CNDriverNoLeaching(bounds,
 
     call t_startf('SoilBiogeochemStateUpdate1')
     call SoilBiogeochemNStateUpdate1(num_bgc_soilc, filter_bgc_soilc,  &
-         soilbiogeochem_state_inst, soilbiogeochem_nitrogenflux_inst, soilbiogeochem_nitrogenstate_inst)
+         soilbiogeochem_state_inst, soilbiogeochem_nitrogenflux_inst, soilbiogeochem_nitrogenstate_inst, &
+         cnfunmimicsplus_inst)
     call t_stopf('SoilBiogeochemStateUpdate1')
 
 
diff --git a/src/biogeochem/CNFUNMIMICSplusMod.F90 b/src/biogeochem/CNFUNMIMICSplusMod.F90
index de5a2191e8..1c8ef8ae96 100644
--- a/src/biogeochem/CNFUNMIMICSplusMod.F90
+++ b/src/biogeochem/CNFUNMIMICSplusMod.F90
@@ -1111,6 +1111,12 @@ subroutine CNFUNMIMICSplus (bounds, num_soilc, filter_soilc, num_soilp ,filter_s
             npp_to_paths(p,j,ipnmno3) =  n_from_paths(p,j,ipnmno3) * costs_paths(p,j,ipnmno3)
             npp_to_paths(p,j,ipnmnh4) =  n_from_paths(p,j,ipnmnh4) * costs_paths(p,j,ipnmnh4)
 
+            ! switch units to gN/m3/s for use in other routines
+            sminno3_to_am_vr_patch(p,j)  = sminno3_to_am_vr_patch(p,j)/(dzsoi_decomp(j)*dt)
+            sminno3_to_ecm_vr_patch(p,j) = sminno3_to_ecm_vr_patch(p,j)/(dzsoi_decomp(j)*dt)
+            sminnh4_to_am_vr_patch(p,j)  = sminnh4_to_am_vr_patch(p,j)/(dzsoi_decomp(j)*dt)
+            sminnh4_to_ecm_vr_patch(p,j) = sminnh4_to_ecm_vr_patch(p,j)/(dzsoi_decomp(j)*dt)
+
             N_acquired     =  sum(n_from_paths(p,j,ipano3:ipnmnh4))        ! How much N did we end up with
                               
             C_spent        =   sum(npp_to_paths(p,j,ipano3:ipnmnh4))       ! How much did it actually cost? 
@@ -1156,6 +1162,10 @@ subroutine CNFUNMIMICSplus (bounds, num_soilc, filter_soilc, num_soilp ,filter_s
             do j = 1,nlevdecomp
                n_active_vr(p,j)      =  n_active_vr(p,j)      + sum(n_from_paths(p,j,ipano3:ipanh4))
                n_nonmyc_vr(p,j)      =  n_nonmyc_vr(p,j)      + sum(n_from_paths(p,j,ipnmno3:ipnmnh4))
+               n_active_no3_vr(p,j)  =  n_active_no3_vr(p,j)  + n_from_paths(p,j,ipano3)
+               n_active_nh4_vr(p,j)  =  n_active_nh4_vr(p,j)  + n_from_paths(p,j,ipanh4)
+               n_nonmyc_n03_vr(p,j)  =  n_nonmyc_no3_vr(p,j)  + n_from_paths(p,j,ipnmno3)
+               n_nonmyc_nh4_vr(p,j)  =  n_nonmyc_nh4_vr(p,j)  + n_from_paths(p,j,ipnmnh4)
             end do
           end if !unmet demand`
          
@@ -1179,6 +1189,8 @@ subroutine CNFUNMIMICSplus (bounds, num_soilc, filter_soilc, num_soilp ,filter_s
              do j = 1, nlevdecomp
              !RF change. The N fixed doesn't actually come out of the soil mineral pools, it is 'new'... 
              sminn_to_plant_fun_vr(p,j)    =  n_active_vr(p,j) + n_nonmyc_vr(p,j)/(dzsoi_decomp(j)*dt)
+             sminn_to_plant_fun_no3_vr(p,j)    = (n_nonmyc_no3_vr(p,j))/(dzsoi_decomp(j)*dt)
+             sminn_to_plant_fun_nh4_vr(p,j)    = (n_nonmyc_nh4_vr(p,j))/(dzsoi_decomp(j)*dt)
              end do
     
              !SPLIT TO NO3 and NH4 like in original fun
diff --git a/src/soilbiogeochem/SoilBiogeochemNStateUpdate1Mod.F90 b/src/soilbiogeochem/SoilBiogeochemNStateUpdate1Mod.F90
index 2d7bc45bbc..da12774455 100644
--- a/src/soilbiogeochem/SoilBiogeochemNStateUpdate1Mod.F90
+++ b/src/soilbiogeochem/SoilBiogeochemNStateUpdate1Mod.F90
@@ -17,6 +17,7 @@ module SoilBiogeochemNStateUpdate1Mod
   use CNSharedParamsMod                  , only : use_fun
   use SoilBiogeochemDecompCascadeConType , only : mimicsplus_decomp, decomp_method
   use ColumnType                         , only : col 
+  use CNFUNMIMICSplusMod                 , only : cnfunmimicsplus_type
   !
   implicit none
   private
@@ -29,7 +30,7 @@ module SoilBiogeochemNStateUpdate1Mod
 
   !-----------------------------------------------------------------------
   subroutine SoilBiogeochemNStateUpdate1(num_bgc_soilc, filter_bgc_soilc,  &
-       soilbiogeochem_state_inst, soilbiogeochem_nitrogenflux_inst, soilbiogeochem_nitrogenstate_inst)
+       soilbiogeochem_state_inst, soilbiogeochem_nitrogenflux_inst, soilbiogeochem_nitrogenstate_inst,cnfunmimicsplus_inst)
     !
     ! !DESCRIPTION:
     ! On the radiation time step, update all the prognostic nitrogen state
@@ -41,6 +42,7 @@ subroutine SoilBiogeochemNStateUpdate1(num_bgc_soilc, filter_bgc_soilc,  &
     type(soilbiogeochem_state_type)         , intent(in)    :: soilbiogeochem_state_inst
     type(soilbiogeochem_nitrogenflux_type)  , intent(inout) :: soilbiogeochem_nitrogenflux_inst
     type(soilbiogeochem_nitrogenstate_type) , intent(inout) :: soilbiogeochem_nitrogenstate_inst
+    type(cnfunmimicsplus_type),               intent(in)    :: cnfunmimicsplus_inst
     !
     ! !LOCAL VARIABLES:
     integer :: c,p,j,l,k ! indices
@@ -239,6 +241,13 @@ subroutine SoilBiogeochemNStateUpdate1(num_bgc_soilc, filter_bgc_soilc,  &
                   ns%smin_nh4_vr_col(c,j) = ns%smin_nh4_vr_col(c,j) - nf%smin_nh4_to_plant_vr_col(c,j)*dt
 
                   ns%smin_no3_vr_col(c,j) = ns%smin_no3_vr_col(c,j) - nf%smin_no3_to_plant_vr_col(c,j)*dt
+               else if (decomp_method == mimicsplus_decomp) then
+               ! we treat mycorrhiza differently in mimics plus
+                  ns%smin_nh4_vr_col(c,j) = ns%smin_nh4_vr_col(c,j) -  nf%sminn_to_plant_fun_nh4_vr_col(c,j)*dt - &
+                  (cnfunmimicsplus_inst%sminnh4_to_am_vr_col(c,j) + cnfunmimicsplus_inst%sminnh4_to_ecm_vr_col(c,j)) * dt
+
+                  ns%smin_no3_vr_col(c,j) = ns%smin_no3_vr_col(c,j) -  nf%sminn_to_plant_fun_no3_vr_col(c,j)*dt - &
+                  (cnfunmimicsplus_inst%sminno3_to_am_vr_col(c,j) + cnfunmimicsplus_inst%sminno3_to_ecm_vr_col(c,j)) * dt
                else 
                   ns%smin_nh4_vr_col(c,j) = ns%smin_nh4_vr_col(c,j) -  nf%sminn_to_plant_fun_nh4_vr_col(c,j)*dt