不同土壤改良措施对机械压实酸化蔗地土壤理化性质及微生物群落结构的影响
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罗俊,林兆里,李诗燕,阙友雄,张才芳,杨仔奇,姚坤存,冯景芳,陈建峰,张华
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Effects of different soil improvement measures on soil physicochemical properties and microbial community structures in mechanically compacted acidified sugarcane field
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Jun LUO,Zhao-Li LIN,Shi-Yan LI,You-Xiong QUE,Cai-Fang ZHANG,Zai-Qi YANG,Kun-Cun YAO,Jing-Fang FENG,Jian-Feng CHEN,Hua ZHANG
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表2 不同土壤改良措施对土壤容重和紧实度的影响
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Table 2 Effects of different soil improvement measures on bulk density and compactness of soil
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土层
Soil layer | 土壤改良措施
Soil improvement measure | 土壤容重 Soil bulk density (g cm-3) | | 土壤紧实度 Soil compactness (N cm-2) | 新植
New planting | 宿根
Perennial root | 新植
New planting | 宿根
Perennial root | | 0-10 cm | 对照 Control (B1) | 1.06±0.10ab | 1.00±0.07a | | 148.13±41.26a | 127.69±30.31b | | 松土精 Loose soil essence (B2) | 1.00±0.05ab | 0.98±0.09a | | 124.94±32.48ab | 113.45±45.04b | | 生物菌肥 Biological bacterial fertilizer (B3) | 1.00±0.10abc | 1.00±0.06a | | 109.40±26.86b | 132.6±36.80ab | | 有机肥 Organic fertilizer (B4) | 0.92±0.08c | 0.95±0.08a | | 109.96±37.08b | 117.86±36.70b | | 生石灰Quick lime(B5) | 0.96±0.07bc | 1.00±0.07a | | 143.52±29.88a | 167.64±50.30a | | 10-20 cm | 对照 Control (B1) | 1.23±0.13a | 1.12±0.11a | | 268.80±73.23a | 176.25±63.21b | | 松土精 Loose soil essence (B2) | 1.19±0.09a | 1.07±0.08a | | 261.47±54.62ab | 170.79±39.58b | | 生物菌肥 Biological bacterial fertilizer (B3) | 1.19±0.11a | 1.07±0.09a | | 207.39±38.46b | 222.87±72.20ab | | 有机肥 Organic fertilizer (B4) | 1.06±0.14b | 1.02±0.10a | | 207.01±53.73b | 172.84±60.37b | | 生石灰Quick lime(B5) | 1.20±0.12a | 1.05±0.11a | | 290.92±75.30a | 260.81±68.30a | | 20-30 cm | 对照 Control (B1) | 1.37±0.10a | 1.29±0.08ab | | 344.48±61.46b | 301.88±30.72bc | | 松土精 Loose soil essence (B2) | 1.34±0.13ab | 1.24±0.11ab | | 331.18±65.45ab | 298.68±33.66bc | | 生物菌肥 Biological bacterial fertilizer (B3) | 1.37±0.10a | 1.31±0.12a | | 302.69±44.68b | 338.14±56.94ab | | 有机肥 Organic fertilizer (B4) | 1.24±0.10b | 1.17±0.16b | | 324.72±60.68b | 257.20±35.27c | | 生石灰Quick lime(B5) | 1.37±0.11a | 1.32±0.14a | | 392.03±59.28a | 348.55±64.48a | | 30-40 cm | 对照 Control (B1) | 1.36±0.10ab | 1.36±0.09ab | | 330.36±77.54ab | 328.53±47.43a | | 松土精 Loose soil essence (B2) | 1.30±0.17ab | 1.34±0.11ab | | 304.68±61.70b | 317.03±51.17a | | 生物菌肥 Biological bacterial fertilizer (B3) | 1.38±0.11a | 1.35±0.07ab | | 310.43±66.98b | 342.33±46.47a | | 有机肥 Organic fertilizer (B4) | 1.24±0.13b | 1.29±0.09b | | 323.96±64.28ab | 327.11±17.38a | | 生石灰Quick lime(B5) | 1.33±0.10ab | 1.38±0.07a | | 382.35±39.98a | 356.09±76.84a | | 平均 | 对照 Control (B1) | 1.25±0.17a | 1.19±0.17a | | 272.94±100.74b | 233.59±99.48c | | Average | 松土精 Loose soil essence (B2) | 1.21±0.18a | 1.16±0.17a | | 255.57±98.67bc | 224.99±103.00c | | 生物菌肥 Biological bacterial fertilizer (B3) | 1.23±0.19a | 1.18±0.18a | | 232.48±95.32c | 258.98±104.29b | | 有机肥 Organic fertilizer (B4) | 1.11±0.18b | 1.11±0.17b | | 241.41±106.12c | 218.76±93.23c | | 生石灰Quick lime (B5) | 1.22±0.19a | 1.19±0.20a | | 302.20±114.55a | 283.27±102.00a | | F值 | 土层Soil layer (A) | 256.15** | 246.90** | | 189.36** | 185.77** | | F-value | 土壤改良措施Soil improvement measures (B) | 21.93** | 9.16** | | 12.02** | 11.95** | | A×B | 0.435 | 0.59 | | 0.88 | 0.83 |
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