耕作方式和绿肥还田对甘蔗土壤细菌群落结构及功能的影响

周灵芝, 周佳, 李艳英, 劳承英, 黄渝岚, 申章佑, 韦本辉, 吴月先

Effects of Cultivation Methods and Green Manure Return on Bacterial Community Structure and Function of Sugarcane Soil

Zhou Lingzhi, Zhou Jia, Li Yanying, Lao Chengying, Huang Yulan, Shen Zhangyou, Wei Benhui, Wu Yuexian

表2 不同处理的土壤细菌群落α多样性指数

Table 2 The α diversity index of soil bacterial communities under different treatments

生育期 Growth stage 处理 Treatment Chao1指数 Chao1 index ACE指数 ACE index Shannon指数 Shannon index Simpson指数 Simpson index 覆盖率 Coverage (%) 分蘖期Tillering stage FLJ 2546.24±49.15a 2534.67±71.02a 9.43±0.40a 0.0043±0.00a 99.27±0.00a FL 2398.76±49.69b 2380.91±85.03ab 9.13±0.11a 0.0052±0.00a 98.97±0.00b CKJ 2479.36±70.49ab 2460.41±38.42ab 9.39±0.11a 0.0049±0.00a 98.90±0.00b CK 2385.55±31.50b 2358.79±47.78b 9.38±0.16a 0.0048±0.00a 99.41±0.00a 伸长期Elongation stage FLJ 2987.34±120.92a 3021.19±107.87a 6.63±0.08ab 0.9963±0.00a 97.18±0.00a FL 3169.00±229.82a 3253.80±286.68a 6.49±0.13b 0.9955±0.00ab 96.61±0.00a CKJ 3383.28±108.55a 3451.48±142.64a 6.78±0.03a 0.9967±0.00a 96.73±0.00a CK 3282.24±193.24a 3375.15±189.19a 6.49±0.12b 0.9945±0.00b 96.93±0.00a 成熟期Maturity FLJ 3156.29±130.91a 3202.54±129.89a 6.80±0.07a 0.9972±0.00a 97.23±0.00a FL 3830.48±326.90a 3852.04±295.79a 7.05±0.20a 0.9971±0.00a 97.08±0.00ab CKJ 3879.41±521.88a 3957.80±588.57a 6.88±0.09a 0.9968±0.00a 96.64±0.00ab CK 3684.35±138.16a 3785.05±42.37a 6.71±0.42a 0.9962±0.00a 96.01±0.00b 耕作Tillage 0.026* 0.019* 0.777 0.251 0.014 绿肥Green manure 0.461 0.414 0.120 0.063 0.171 生育期Growth stage 0.000** 0.000** 0.000** 0.000** 0.000** 耕作×绿肥Tillage×green manure 0.016* 0.026* 0.503 0.049* 0.100 耕作×生育期Tillage×growth stage 0.137 0.099 0.320 0.447 0.007** 绿肥×生育期Green manure×growth stage 0.137 0.163 0.292 0.016* 0.200 耕作×绿肥×生育期Tillage×green manure×growth stage 0.042* 0.080 0.112 0.723 0.038*