Simulated values versus observed values for the 2012–13 data set. In (A) red symbols represent plant whole biomass, green symbols the mass of internodes, black symbols the mass of leaves and blue symbols the mass of pods. In (B) main symbols represent the individual leaf masses of the main stem. Circles represent day 181 after emergence, + represents day 223 after emergence and squares represent day 255. The continuous line is the first bisector.