| 土层/cm | 10 cm | 20 cm | 30 cm | 40 cm | 50 cm | 60 cm | 70 cm | 80 cm | 90 cm | 100 cm | ∑ |
| 灌溉用水定额/mm | 10 | 10 | 7 | 5 | 3 | 2 | 1 | 0 | 0 | 0 | 38 |