Table D.7.
Comparison of the annual irrigation of the original FOCUS surface water run‐off scenarios (FOCUS, 2001) against the annual average irrigation based on the proposed new automatic irrigation approach
| Annual irrigation of the current single‐year approach (mm) | Annual average irrigation of the 20‐year approach (mm) | |||||||
|---|---|---|---|---|---|---|---|---|
| Scenario | R1 | R2 | R3 | R4 | R1 | R2 | R3 | R4 |
| Annual average precipitation (mm) (a) | 744 | 1402 | 682 | 756 | 744 | 1402 | 682 | 756 |
| Winter cereals | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Spring cereals | 0 | 0 | ||||||
| Winter oilseed rape | 0 | 0 | 0 | 0 | ||||
| Spring oilseed rape | 0 | 0 | ||||||
| Sugar beets | 60 | 284 | 76 | 269 | ||||
| Potatoes | 87 | 0 | 276 | 106 | 0 | 276 | ||
| Field beans | 0 | 0 | 47 | 108 | 0 | 0 | 58 | 122 |
| Root vegetables | 111 | 0 | 39 | 128 | 133 | 0 | 42 | 101 |
| Leafy vegetables | 131 | 0 | 305 | 492 | 83 | 0 | 243 | 398 |
| Bulb vegetables | 104 | 0 | 54 | 125 | 138 | 0 | 75 | 131 |
| Legumes | 78 | 0 | 305 | 186 | 94 | 0 | 105 | 157 |
| Fruiting vegetables | 0 | 233 | 222 | 0 | 201 | 221 | ||
| Maize | 47 | 0 | 258 | 398 | 63 | 0 | 219 | 382 |
| Vines | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Pome/stone fruit | 0 | 0 | 0 | 317 | 0 | 0 | 0 | 318 |
| Grass/alfalfa | 0 | 0 | 0 | 0 | ||||
| Sunflower | 30 | 176 | 266 | 57 | 159 | 323 | ||
| Hops | 0 | 0 | ||||||
| Soybeans | 282 | 159 | 267 | 484 | ||||
| Citrus | 113 | 110 | ||||||
| Olive | 0 | 0 | ||||||
| Tobacco | 293 | 232 | ||||||
| Cotton | ||||||||
0 (zero) values indicate the crop is present but not irrigated.
Shaded boxes indicate that the crop is not present in the scenario.