TABLE 2.
The effect of long‐term N addition, plant resistant type, and functional group on plant C, N, P, C:N:P stoichiometric characteristics and δ13C in a Cunninghamia lanceolate plantation
| Factors | F (p) values | ||||||
|---|---|---|---|---|---|---|---|
| C | N | P | C:N | C:P | N:P | δ13C | |
| N | 0.61 (0.66) | 0.15 (0.96) | 0.04 (0.99) | 0.23 (0.92) | 0.06 (0.99) | 0.15 (0.96) | 0.80 (0.53) |
| RT | 0.79 (0.46) | 3.83 (0.03) | 4.24 (0.02) | 2.55 (0.09) | 6.93 (<0.01) | 2.34 (0.11) | 8.74 (<0.01) |
| FG | 0.06 (0.81) | 8.07 (0.01) | 3.84 (0.06) | 11.79 (<0.01) | 3.40 (0.07) | 3.87 (0.06) | 0.55 (0.46) |
| N × RT | 1.43 (0.25) | 0.80 (0.46) | 0.63 (0.54) | 1.07 (0.35) | 1.65 (0.21) | 2.07 (0.14) | 2.38 (0.11) |
| N × FG | 0.61 (0.61) | 0.99 (0.41) | 1.15 (0.34) | 1.14 (0.35) | 0.91 (0.45) | 1.32 (0.28) | 0.90 (0.44) |
| RT × FG | 0.29 (0.75) | 0.80 (0.46) | 0.25 (0.78) | 1.51 (0.24) | 0.28 (0.76) | 1.57 (0.22) | 0.38 (0.69) |
| N × RT×FG | 0.02 (0.90) | 1.89 (0.18) | 1.10 (0.30) | 3.02 (0.09) | 1.863 (0.18) | 0.83 (0.37) | 1.23 (0.27) |
F and p values for the effects of three nitrogen treatments (N), plant resistant type (RT), functional group woody or herbaceous (FG), and their interactions on foliar C, N, P, C:N:P stoichiometric characteristics and δ13C after long‐term N addition.