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Effects of three different parameterisation schemes of soil water stress factor in response to water shortage, β on single cereal plant variables: A: CO2 assimilation (μmol CO2 m-2 s-1), B: transpiration (mm.day-1), C: plant biomass, D: root biomass (g), E: shoot-root ratio, and F: yield (g) for the dough development stage (day 60 after sowing).
