| 年份 | 处理 | 0~15 cm | 15~30 cm | 30~45 cm | 45~60 cm | |
| g∙kg−1 | ||||||
| 种植前 | T0 | 4.11 | 4.43 | 6.20 | 5.82 | |
| 2015 | T0 | 3.66c | 5.17b | 6.17ab | 5.32bc | |
| T3 | 6.51b | 5.37b | 6.82ab | 6.38b | ||
| T1 | 4.54bc | 5.53b | 6.74ab | 8.29a | ||
| T2 | 13.7a | 10.6a | 6.27ab | 6.56b | ||
| T6 | 6.62b | 5.31b | 6.89ab | 7.43ab | ||
| T4 | 12.2a | 9.75a | 6.32ab | 6.37b | ||
| T5 | 13.1a | 10.2a | 7.23a | 6.86b | ||
| 2016 | T0 | 4.31d | 5.23b | 6.50ab | 6.08b | |
| T3 | 7.42c | 5.68b | 7.23ab | 6.23b | ||
| T1 | 4.83d | 5.65b | 8.00a | 9.51a | ||
| T2 | 19.8a | 14.6a | 6.95ab | 6.53b | ||
| T6 | 7.26c | 5.97b | 7.46ab | 8.00ab | ||
| T4 | 17.2b | 13.9a | 7.49ab | 6.96b | ||
| T5 | 19.4a | 14.5a | 7.95a | 6.67b | ||
| 处理 |
| 0.0000 | 0.0510 | 0.0520 | 0.0020 | |
| 年份 |
| 0.0000 | 0.0000 | 0.0030 | 0.3150 | |
| 处理 × 年份 | 0.0000 | 0.2000 | 0.1030 | 0.0730 | ||