Table 1.

Parameters definitions for our plant–soil feedback model.

parameter	definition
A, B, … I	plant name
A, B, … I	mass of each plant type
At, Bt, … It	mass of each plant type at time t
at	growth rate of plant A at time t
αA, βA, … ,IA	plant A's growth rate on each soil type
Cix	biomass of species i in community x
Cx	biomass of community x
Dix	species-level overyielding of species i in community x
Dx	community-level overyielding of community x
PAtx	proportion of soil type A at time t in community x
MCi	monoculture biomass of plant i on ‘control’ soils
MOix	mean monoculture biomass of plant i on the ‘other’ soils found in community x
MSi	monoculture biomass of plant i on ‘self’ soils
C-PSFx	community-level plant–soil feedback value of community x
SAt + SBt + … SIt	mass of soil types A through I at time t
S-PSFix	species-level plant–soil feedback value for species i in community x
μ	conversion factor for microbial biomass growth rates