Research Article
Yield Response of Drip-Irrigated Onion under Full and Deficit Irrigation with Saline Water in Arid Regions of Tunisia
Table 3
Water supply (mm) under different irrigation treatments.
| Treatments | Irrigation (I)* | Irrigation water saved (%) | Precipitation (P) | (I + P) |
| 2008 |
| SWB-100 | 492 | — | 38 | 530 | DI-80 | 394 | 19.9 | 38 | 432 | DI-60 | 295 | 40.0 | 38 | 333 | SWB100-MDI60 | 413 | 16.1 | 38 | 451 | Farmer method | 712 | — | 38 | 750 |
| 2009 |
| SWB-100 | 474 | — | 47 | 521 | DI-80 | 379 | 20.0 | 47 | 426 | DI-60 | 285 | 39.9 | 47 | 332 | SWB100-MDI60 | 405 | 14.6 | 47 | 452 | Farmer method | 631 | — | 47 | 678 |
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*An irrigation of 75 mm supplied just before planting is not included in these totals.
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