Table 1. Summary of pyrosequence reads (Mean ± SE, n = 3).
| Samples | Effective Reads |
No. of OTUs* |
Shannon |
Chao1 |
||||
|---|---|---|---|---|---|---|---|---|
| Summer | Winter | Summer | Winter | Summer | Winter | Summer | Winter | |
| CK | 52168 ± 3277ab | 42258 ± 5938a | 1753 ± 34c | 2305 ± 179a | 8.68 ± 0.19c | 9.15 ± 0.03a | 2473 ± 32b | 3033 ± 424a |
| N50 | 70601 ± 9344b | 46590 ± 1751a | 1271 ± 35a | 2063 ± 24a | 7.22 ± 0.08a | 8.76 ± 0.04a | 1892 ± 30a | 2664 ± 42a |
| N80 | 39304 ± 3664a | 41373 ± 7851a | 1333 ± 78ab | 2061 ± 152a | 7.52 ± 0.29ab | 8.74 ± 0.15a | 1941 ± 93a | 2577 ± 260a |
| N100 | 61562 ± 4887b | 50485 ± 457a | 1497 ± 37b | 1959 ± 129a | 7.82 ± 0.04b | 8.57 ± 0.32a | 2269 ± 84b | 2522 ± 157a |
*Operational taxonomic units (OTUs) were defined at 97% sequence identity. 100N: normal application rate of N, P2O5, and K2O was 185, 46, and 185 kg ha−1, respectively; 80N: 0.8 times N a as in the 100N; 50N: 0.5 times N as in the 100N; CK: no N applied. Means followed by the same letter within a column are not significantly different as determined by the LSD test (P = 0.05).