Table 2. The significant of different sites, N and P to functional groups.
Response | Term | Df | F | P |
---|---|---|---|---|
Gramineae | Biomass in July | 1 | .070 | .792 |
Site (S) | 1 | .451 | .504 | |
N–treatment (N) | 2 | 9.255 | < 0.01 | |
P-treatent (P) | 3 | 1.843 | .147 | |
S×N | 2 | .088 | .916 | |
S×P | 3 | .519 | .670 | |
N×P | 6 | .577 | .747 | |
S×N×P | 6 | .134 | .991 | |
Compositae | Biomass in July | 1 | 2.107 | .151 |
Site (S) | 1 | 17.465 | < 0.01 | |
N–treatment (N) | 2 | 5.852 | < 0.01 | |
P-treatent (P) | 3 | 3.980 | < 0.05 | |
S×N | 2 | 3.862 | < 0.05 | |
S×P | 3 | .366 | .778 | |
N×P | 6 | .706 | .646 | |
S×N×P | 6 | .593 | .735 | |
Other | Biomass in July | 1 | .354 | .554 |
Site (S) | 1 | 26.706 | < 0.01 | |
N–treatment (N) | 2 | 1.316 | .275 | |
P-treatent (P) | 3 | 2.110 | .107 | |
S×N | 2 | .954 | .390 | |
S×P | 3 | .725 | .541 | |
N×P | 6 | 1.244 | .295 | |
S×N×P | 6 | .934 | .476 | |
Total | Biomass in July | 1 | 3.952 | .051 |
Site (S) | 1 | 85.557 | < 0.01 | |
N–treatment (N) | 2 | 20.750 | < 0.01 | |
P-treatent (P) | 3 | 9.967 | < 0.01 | |
S×N | 2 | 4.039 | .022 | |
S×P | 3 | 1.535 | .213 | |
N×P | 6 | 1.723 | .128 | |
S×N×P | 6 | .759 | .604 |
Note: There are 71 degrees of freedom for error.