Research Article
Yield and Water Use Efficiency of Potato under Alternate Furrows and Deficit Irrigation
Table 4
The amount of irrigation water saved, tuber yield reduction, and relative water use efficiency with different irrigation methods and amounts.
| Treatments | Irrigation amount (mm ha−1) | Tuber yield (t ha−1) | WUE (kg m−3) | Water saved (%) | Yield reduction (%) | Relative WUE | Irrigation method | Irrigation level (%) |
| AFI | 50 | 113.03 | 31.65 | 28.06 | 74 | 18 | 3.2 | 75 | 169.54 | 37.96 | 22.49 | 62 | 1 | 2.6 | 100 | 226.06 | 37.42 | 16.58 | 49 | 3 | 1.9 | Mean | 169.54 | 35.67 | 22.38 | 62 | 7 | 2.6 |
| FFI | 50 | 110.08 | 26.54 | 24.31 | 75 | 31 | 2.8 | 75 | 165.12 | 29.39 | 17.99 | 63 | 23 | 2.1 | 100 | 220.17 | 29.72 | 13.59 | 50 | 23 | 1.6 | Mean | 165.12 | 28.55 | 18.60 | 63 | 26 | 2.1 |
| CFI | 50 | 220.85 | 28.35 | 12.9 | 50 | 26 | 1.5 | 75 | 331.28 | 37.75 | 11.41 | 25 | 2 | 1.3 | 100 | 441.71 | 38.41 | 8.73 | 0 | 0 | 1.0 | Mean | 331.28 | 34.84 | 11.04 | 25 | 9 | 1.3 |
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