不同耕作和秸秆还田下褐土真菌群落变化特征

代红翠,张慧,薛艳芳,高英波,钱欣,赵海军,成浩,李宗新,刘开昌

Response of Fungal Community and Function to Different Tillage and Straw Returning Methods

HongCui DAI,Hui ZHANG,YanFang XUE,YingBo GAO,Xin QIAN,HaiJun ZHAO,Hao CHENG,ZongXin LI,KaiChang LIU

表3 不同耕作和秸秆还田方式下土壤真菌高通量测序及群落α多样性指数

Table 3 Illumina MiSeq sequencing results and α-diversity of the fungal community with different tillage and straw returning methods

土层 Layer (cm) 处理 Treatment 序列数 Reads 操作分类单元 OTU 覆盖度 Coverage (%) 香农指数 Shannon index ACE 指数 ACE index Chao 1指数 Chao 1 index 0-10 NTD 22368 160.67±4.73bc 99.86 2.93±0.09b 187.14±12.24a 190.50±17.14a NTS 22368 152.00±3.00c 99.88 2.96±0.05b 171.75±6.00a 170.46±4.52a DTD 22368 154.00±11.27bc 99.82 2.84±0.06b 194.55±45.81a 197.44±51.97a DTS 22368 175.00±1.00a 99.88 2.95±0.11b 203.64±4.26a 202.76±12.03a RTD 22368 167.00±16.52abc 99.87 2.87±0.03b 207.69±26.83a 212.52±23.99a RTS 22368 177.33±3.06a 99.85 3.10±0.08a 194.63±7.08a 194.01±12.00a 耕作方式 Tillage - * - ns ns ns 还田方式 Returning - ns - ** ns ns 交互作用Interaction - * - ns ns ns 10-20 NTD 22368 167.00±4.36a 99.91 3.24±0.09a 184.75±6.58a 190.12±13.69a NTS 22368 131.33±8.14b 99.89 2.49±0.34b 153.34±2.32b 158.04±4.56b DTD 22368 143.67±10.07b 99.86 2.52±0.24b 158.66±11.23b 158.53±11.96b DTS 22368 178.67±2.08a 99.86 3.13±0.06a 193.56±5.18a 197.41±2.47a RTD 22368 163.33±7.64a 99.89 2.97±0.06a 194.48±14.13a 192.32±11.16a RTS 22368 172.33±13.05a 99.89 3.18±0.03a 200.79±16.43a 199.87±12.53a 耕作方式 Tillage - ** - ns ** ** 还田方式 Returning - ns - ns ns ns 交互作用Interaction - *** - *** ** ***