土层/cm | 冬麦畦灌 | 葡萄滴灌 | 棉花膜下滴灌 | 甜菜膜下滴灌 | 滴灌平均 |
10 | 20 | 10 | 23 | 7 | 13 |
20 | 14 | 10 | 14 | 8 | 11 |
30 | 9 | 7 | 6 | 7 | 6 |
40 | 5 | 5 | 3 | 4 | 4 |
50 | 4 | 3 | 1 | 4 | 3 |
60 | 2 | 2 | 0 | 2 | 1 |
70 | 1 | 1 | 0 | 2 | 1 |
80 | 0 | 0 | 0 | 1 | 0 |
90 | 0 | 0 | 0 | 1 | 0 |
100 | 0 | 0 | 0 | 1 | 0 |
∑ | 57 | 38 | 46 | 37 | 40 |