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1 不同处理对土壤养分的影响

Table 1 Effects of different treatments on soil nutrients

生育期 Growth stage 处理 Treatment 碱解氮 AN (mg/kg) 有效磷 AP (mg/kg) 速效钾 AK (mg/kg) 有机质 SOM (g/kg) pH 分蘖期Tillering stage FLJ 89.03±4.14ab 116.19±3.80a 400.58±12.36a 30.93±1.09a 5.21±0.01a FL 90.41±1.99a 123.98±3.08a 406.46±26.91a 30.62±0.41a 4.82±0.12b CKJ 80.54±3.81b 125.96±3.14a 399.51±31.06a 30.22±0.36a 5.38±0.08a CK 90.07±3.01a 131.53±8.86a 419.70±4.01a 30.24±0.36a 4.85±0.18b 伸长期Elongation stage FLJ 82.01±7.22a 127.68±11.86a 394.92±7.90b 32.48±0.77a 4.54±0.15a FL 83.07±6.51a 125.61±5.05a 386.94±30.20b 30.22±0.60b 4.53±0.10a CKJ 95.03±5.84a 137.28±10.82a 333.63±5.59c 29.44±0.91b 4.61±0.03a CK 87.85±7.41a 134.33±5.82a 462.40±18.08a 28.62±0.15b 4.71±0.02a 成熟期Maturity FLJ 97.91±4.95a 124.57±12.42a 331.62±7.70bc 31.18±3.15a 4.46±0.00a FL 71.83±1.90c 119.13±7.75a 352.18±8.25ab 30.81±0.73a 4.41±0.00b CKJ 84.46±6.84b 131.67±10.30a 328.07±3.23c 31.29±0.35a 4.38±0.02b CK 74.65±3.49bc 132.49±7.39a 367.89±10.87a 27.89±0.23a 4.23±0.02c 耕作Tillage 0.873 0.127 0.267 0.001** 0.280 绿肥Green manure 0.006** 0.918 0.000** 0.003** 0.000** 生育期Growth stage 0.034* 0.642 0.000** 0.777 0.000** 耕作×绿肥Tillage×green manure 0.128 0.930 0.000** 0.559 0.472 耕作×生育期Tillage×growth stage 0.003** 0.994 0.996 0.159 0.003** 绿肥×生育期Green manure×growth stage 0.000** 0.772 0.008** 0.138 0.000** 耕作×绿肥×生育期Tillage×green manure×growth stage 0.023* 0.952 0.000** 0.048* 0.216