Table 1 Results of a repeated-measures ANOVA testing for differences in soil N fractions (TN, NO3−, NH4+, MBN, DON) among N additions using depth as the repeated variable.
Source of variation | df | TN | NO3− | NH4+ | MBN | DON | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
F | P | F | P | F | P | F | P | F | P | ||
T | 3 | 34.194 | 0.000 | 4.592 | 0.005 | 278.694 | 0.000 | 34.943 | 0.000 | 94.780 | 0.000 |
S | 2 | 1111.506 | 0.000 | 532.390 | 0.000 | 4578.495 | 0.000 | 1245.854 | 0.000 | 396.978 | 0.000 |
D | 2 | 67.938 | 0.000 | 68.366 | 0.000 | 487.313 | 0.000 | 160.435 | 0.000 | 121.797 | 0.000 |
T×S | 6 | 11.293 | 0.000 | 6.258 | 0.000 | 226.580 | 0.000 | 24.087 | 0.000 | 56.655 | 0.000 |
T×D | 6 | 26.026 | 0.000 | 14.716 | 0.000 | 26.285 | 0.000 | 19.843 | 0.000 | 14.375 | 0.000 |
