| 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 |