Table 3 Comparison of the variances and Cochran’s C test results for AG, BG, BX, CBH, and Cacq (µmol g−1soil h−1) under three N fertilization treatments (NN, LN and HN) in two bioenergy croplands (SG and GG).
Crop | Fertilization | Plot | AG | BG | BX | CBH | Cacq |
|---|---|---|---|---|---|---|---|
SG | NN | P1 | 0.37 | 698.1 | 3.93 | 242.7 | 1459.8 |
P2 | 0.15 | 450.1 | 3.33 | 119.9 | 987.6 | ||
LN | P1 | 0.26 | 539.0 | 3.18 | 98.3 | 1081.9 | |
P2 | 0.13 | 739.9 | 2.56 | 217.8 | 1789.8 | ||
HN | P1 | 0.50 | 338.0 | 5.46 | 210.7 | 1086.6 | |
P2 | 0.24 | 704.2 | 6.51 | 163.7 | 1530.1 | ||
Cochran's test | C value | 0.30 | 0.21 | 0.26 | 0.23 | 0.26 | |
p-value | 0.03 | 0.90 | 0.16 | 0.51 | 0.60 | ||
GG | NN | P1 | 0.15 | 815.5 | 4.09 | 109.1 | 1632.9 |
P2 | 0.17 | 421.9 | 5.05 | 169.6 | 1006.0 | ||
LN | P1 | 0.12 | 750.0 | 3.97 | 136.1 | 1267.2 | |
P2 | 0.16 | 371.4 | 1.03 | 130.4 | 788.1 | ||
HN | P1 | 0.07 | 398.7 | 1.59 | 191.8 | 1119.5 | |
P2 | 0.17 | 792.5 | 3.37 | 186.9 | 1710.1 | ||
Cochran's test | C value | 0.20 | 0.20 | 0.23 | 0.26 | 0.21 | |
p-value | 1.00 | 0.52 | 0.14 | 1.00 | 0.57 | ||
Total Cochran's test | C value | 0.20 | 0.20 | 0.12 | 0.15 | 0.33 | |
p-value | 0.00 | 0.00 | 1.00 | 0.11 | 1.00 | ||