覆膜方式 | 模拟降雨量/mm | 沙壤土 | 粘壤土 | ||
产流效率/% | 蓄墒增加率/% | 产流效率/% | 蓄墒增加率/% | ||
垄作全覆膜 | 4 | 22.50 | 81.82 | 42.50 | 89.47 |
8 | 27.50 | 95.65 | 35.00 | 75.68 | |
12 | 20.00 | 75.00 | 45.83 | 88.71 | |
16 | 21.25 | 89.47 | 42.50 | 95.77 | |
20 | 10.50 | 36.21 | 31.00 | 78.48 | |
垄作半覆膜 | 4 | 15.00 | 54.55 | 35.00 | 73.68 |
8 | 13.75 | 47.83 | 15.00 | 32.43 | |
12 | 13.33 | 50.00 | 21.67 | 41.94 | |
16 | 13.13 | 55.26 | 25.63 | 57.75 | |
20 | 5.00 | 17.24 | 21.00 | 53.16 |