Table 1 Suitability classes for the irrigation capability indices (Ci)
Symbol | Definition | Capability index |
|---|---|---|
S1 | Highly suitable | > 80 |
S2 | Moderately suitable | 60–80 |
S3 | Marginally suitable | 45–60 |
N1 | Currently not suitable | 30–45 |
N2 | Permanently not suitable | < 30 |