Table 1.
Model parameters
| Description | Value (range*) | Unit |
|---|---|---|
| Greenhouse (set-up and climate) | ||
| Dimensions of greenhouse compartment (L, W, H) | 12, 12, 5 | m |
| Distance between gutter rows | 1·2 | m |
| Total width of double-row | 0·2 | m |
| Length of a slab | 1 | m |
| Number of plants per slab | 5 | – |
| Number of double-rows | 5 | – |
| Number of slabs per double-row | 8 | – |
| Total number of simulated plants | 400 | – |
| Height of assimilation lamps (from ground) | 3·6 | m |
| Conversion factor daylight [PAR (W) to PPFD] | 4·55 | μmol J−1 |
| Conversion factor SON-T lamp [PAR (W) to PPFD] | 4·79 | μmol J−1 |
| Spacing between lamps within the same row | 2 | m |
| Spacing between lamps in different rows | 3·5 | m |
| Daylight threshold below which assimilation lamps are switched on | 200 | μmol PAR m2 s−1 |
| CO2 concentration in air | 460 | μmol mol−1 |
| Relative humidity of air | 84 | % |
| Daily mean temperature | 20·5 | °C |
| Plant architecture parameters | ||
| LAI of bent canopy | 3·0 | m2 m−2 |
| Default cutting height (above base of cutting) | 0·1 | m |
| Maximum phytomer rank | (19–22) | – |
| Leaf divergence angle | 54·1 ± 16·2 | ° |
| Length of terminal leaflets | (0·0185–0·0541) | m |
| Width of terminal leaflets | (0·013–0·038) | m |
| Length of lateral leaflets | (0·02–0·044) | m |
| Width of lateral leaflets | (0·014–0·03) | m |
| Divergence angle of lateral leaflets | (55–65) | ° |
| Form factor for leaflet area (= area/(length*width)) | 0·7038 | – |
| Number of leaflets per leaf2 | {1,3,5,7} | – |
| Plastochron | 1·5 | d |
| Internode length† | (0·000012–0·0596) | m |
| Internode diameter | 0·004–0·00015*rank | m |
| Phyllotactic angle | 124. ± 39·3 | ° |
* A range of values is understood to follow a uniform distribution.
† Number of leaflets and internode length are a function of the relative acropetal rank rr = rank/maximum rank.