Table 1.

Parameters of GREENLAB adjusted by optimization

Parameter	Comment
Pb	Blade sink strength; Pb is set to 1
Ps	Sheath sink strength
Pe	Internode sink strength
Ke	Secondary pith sink for short internodes
	Cob sink strength
PfPm	Tassel sink strength (no expansion variation for this)
Bb	Blade sink variation (parameter for the beta law of organ expansion)
Bs	Sheath sink variation
Be	Pith sink variation
Bf	Cob sink variation
r1	Blade resistance depending on leaf area
r2	Competition factor (i.e. leaf overlapping effect on PET)