陕北风沙草滩区覆膜对玉米根际土壤微生物群落的影响

李佳奇, 史建国, 陈启航, 常风云, 段义忠, 柴乖强, 贾磊, 陈涛

Effects of Film Mulching on Rhizosphere Soil Microbial Community of Maize in Wind-Sand Grassy Beach Area of Northern Shaanxi Province

Li Jiaqi, Shi Jianguo, Chen Qihang, Chang Fengyun, Duan Yizhong, Chai Guaiqiang, Jia Lei, Chen Tao

表1 各样品根际土壤真菌和细菌多样性指数

Table 1 Diversity indexes of fungus and bacteria in rhizosphere soil of each sample

项目 Item 处理 Treatment 样品 Sample Chao1指数 Chao1 index 观测深度 Observation depth 观测OTU数 Observed OTU species 系谱多样指数 PD whole tree Shannon指数 Shannon index Simpson指数 Simpson index 真菌Fungus M M1 2287.73 1.00 1719.90 267.19 5.88 0.94 M2 2452.34 1.00 1883.00 290.15 6.18 0.95 M3 2365.02 1.00 1824.00 282.20 6.16 0.94 T T1 2227.37 1.00 1739.00 278.99 6.10 0.95 T2 2190.50 1.00 1611.00 261.28 5.83 0.95 T3 2253.29 1.00 1615.00 252.55 5.78 0.94 细菌Bacteria M M1 8258.27 0.99 6926.00 420.85 10.71 1.00 M2 8434.04 0.99 7110.00 429.44 10.73 1.00 M3 8314.83 0.99 7038.00 429.44 10.72 1.00 T T1 8352.32 0.99 6942.00 425.28 10.54 1.00 T2 8420.07 0.99 7008.00 423.80 10.68 1.00 T3 8330.19 0.99 7066.00 426.08 10.72 1.00