Characteristics of rice straw decomposition and bacterial community succession for 2 consecutive years in a paddy field in southeastern China.

The bacterial α-diversity during straw decomposition The OTUs, ACE, Chao1 and Shannon index of straw bacteria increased significantly compared with those in the original straw (before burial in soil) and showed a trend of first increasing and then stabilizing with the passage of test time, and the maximum was all in the 12th month, but the Simpson index shows the opposite trend to the Shannon index (Table 1 ).

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