Leaf area expansion

CropML ›› CropML models ›› Daily time step ›› WOFOST ›› Leaf area expansion ››
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For each time step, two methods for calculating leaf area index (LAI, m2 m-2) are applied, (i) exponential (see topic Exponential leaf area expansion) and (ii) based on specific leaf area (SLA, m2 kg-1, see topic SLA based leaf area expansion), according to the development stage. 

Then the minimum rate obtained by these two methods is taken for the calculation of the new value of LAI:

 

where LAIr is leaf area index rate (m2 m-2), LAIrexp is leaf area index rate calculated with the exponential method (m2 m-2) and LAIrSLA is leaf area index rate calculated with the SLA-based method (m2 m-2).  

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