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6 不同土壤改良措施对土壤养分的影响
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Table 6 Effects of different soil improvement measures on soil nutrients
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作物季/土壤改良措施
Crop season/soil improvement measure | pH值
pH value | 有机质含量
Organic matter
(g kg-1) | 全氮含量
Total nitrogen
(g kg-1) | 有效磷含量
Available phosphorus
(mg kg-1) | 速效钾含量
Available potassium
(mg kg-1) | | 新植New planting | | | | | | | 对照 Control (B1) | 3.57±0.13c | 24.11±4.12ab | 1.01±0.13ab | 97.84±10.67bc | 194.70±76.77a | | 松土精 Loose soil essence (B2) | 3.76±0.25abc | 24.74±2.64ab | 1.02±0.17ab | 138.84±78.99abc | 205.80±74.75a | | 生物菌肥 Biological bacterial fertilizer (B3) | 3.72±0.05bc | 23.64±3.49b | 1.01±0.17ab | 152.01±57.51ab | 229.38±79.64a | | 有机肥 Organic fertilizer (B4) | 3.78±0.13ab | 27.83±2.91a | 1.17±0.14a | 83.31±20.77c | 202.40±68.44a | | 生石灰 Quick lime (B5) | 3.94±0.14a | 22.60±4.14b | 0.91±0.04b | 162.69±125.10a | 224.42±82.59a | | 宿根Perennial root | | | | | | | 对照 Control (B1) | 3.63±0.03b | 23.05±2.35b | 1.51±0.23ab | 188.62±55.87ab | 181.23±37.84a | | 松土精 Loose soil essence (B2) | 3.67±0.08b | 25.80±3.81b | 1.46±0.30ab | 160.38±51.33ab | 183.65±55.33a | | 生物菌肥 Biological bacterial fertilizer (B3) | 3.65±0.06b | 24.47±4.80b | 1.50±0.23ab | 210.69±70.20a | 202.57±42.20a | | 有机肥 Organic fertilizer (B4) | 3.68±0.08b | 29.21±1.98a | 1.60±0.17a | 151.84±41.74b | 205.88±59.27a | | 生石灰 Quick lime (B5) | 5.44±1.04a | 24.36±4.42b | 1.42±0.20b | 192.48±86.61ab | 228.48±109.51a |
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