Table 3 Comparison of the variances and cochran’s C test results for LAP, NAG, Nacq, AP and UREA (µmol g− 1soil h− 1) under three N fertilization treatments (NN, LN and HN) in two bioenergy croplands (SG and GG).
Crop | Fertilization | Plot | LAP | NAG | Nacq | AP | UREA |
|---|---|---|---|---|---|---|---|
SG | NN | P1 | 3.42 | 68.13 | 181.06 | 1660.74 | 165538.88 |
P2 | 1.35 | 42.44 | 96.74 | 299.76 | 12022.501 | ||
LN | P1 | 1.40 | 26.87 | 57.71 | 367.67 | 4549.28 | |
P2 | 1.29 | 52.03 | 116.28 | 296.44 | 11715.12 | ||
HN | P1 | 1.36 | 42.31 | 111.76 | 783.12 | 24703.64 | |
P2 | 2.89 | 34.41 | 92.57 | 680.58 | 194747.85 | ||
Cochran’s C test | C value | 0.29 | 0.26 | 0.28 | 0.41 | 0.47 | |
p-value | 0.04 | 0.20 | 0.08 | 0.00 | 0.00 | ||
GG | NN | P1 | 1.21 | 44.32 | 106.03 | 364.03 | 23088.02 |
P2 | 1.58 | 19.02 | 112.01 | 219.58 | 10760.55 | ||
LN | P1 | 2.87 | 30.62 | 165.07 | 462.35 | 63017.49 | |
P2 | 0.81 | 29.47 | 38.73 | 515.67 | 4976.66 | ||
HN | P1 | 1.36 | 42.36 | 76.21 | 272.07 | 10778.14 | |
P2 | 0.54 | 82.24 | 84.43 | 313.43 | 19587.55 | ||
Cochran’s C test | C value | 0.34 | 0.33 | 0.28 | 0.24 | 0.48 | |
p-value | 0.00 | 0.00 | 0.06 | 0.36 | 0.00 | ||
Total Cochran’s C test (SG and GG) | C value | 0.17 | 0.16 | 0.15 | 0.27 | 0.36 | |
p-value | 0.01 | 0.04 | 0.12 | 0.00 | 0.00 | ||
