Table 2.
List and values of crop model parameters for scenario analyses. Parameters in combination are the parameters that change among the virtual varieties considered. The Resilience parameter (R) is the rate of decrease of photosynthesis and transpiration at the point when a 50% reduction occurs (aSalt). The Tolerance parameter (T) is the level of salinity at which the crop transpiration (bTR) and the photosynthesis (bPN) are reduced by 50%. The Phenology parameters (P) are the durations during vegetative (Vg) and reproductive (Rp) stages. Virtual combinations are the possible combinations (RxTxP) obtained with the 5 values of R, the 10 values of T and the 6 values of P. Reference varieties are characterized by values of parameters related to their responses to salinity.
| Variety and combinations | Resilience (R) aSalt |
Tolerance (T) bTR-bPN |
Phenology Vg-Rp (P, DAS) |
|---|---|---|---|
| Virtual combinations (RxTxP) |
0.11 0.21 0.31 0.41 0.51 |
2.17–5.08 4.17–7.08 5.17–8.08 6.17–9.08 7.17–10.08 8.17–11.08 9.17–12.08 10.17–13.08 11.17–14.08 12.17–15.08 13.17–16.08 |
80–30 (P1, 110) 90–30 (P2, 120) 80–40 (P3, 120) 80–20 (P4, 100) 70–20 (P5, 90) 60–30 (P6, 90) 60–40 (P7, 100) |
| IR64 | 0.21 | 7.83–11.17 | |
| IR29 | 0.31 | 4.17–7.08 | |
| BRRI dhan47 | 0.19 | 12.3–16.15 |