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不同覆盖条件下甘蔗土壤微生物区系研究

郑超 谭中文 刘可星 廖宗文 刘月廉 廖愉朗

郑超 谭中文 刘可星 廖宗文 刘月廉 廖愉朗. 不同覆盖条件下甘蔗土壤微生物区系研究[J]. 华南农业大学学报, 2004, 25(2): 5-9. DOI: 10.7671/j.issn.1001-411X.2004.02.002
引用本文: 郑超 谭中文 刘可星 廖宗文 刘月廉 廖愉朗. 不同覆盖条件下甘蔗土壤微生物区系研究[J]. 华南农业大学学报, 2004, 25(2): 5-9. DOI: 10.7671/j.issn.1001-411X.2004.02.002
ZHENG Chao~1,TAN Zhong-wen~2,LIU Ke-xing~3,LIAO Zong-wen~3,LIU Yue-lian~1,LIAO Yu-lang~1. Study on soil micro-organism community of sugarcane field under different mulch conditions[J]. Journal of South China Agricultural University, 2004, 25(2): 5-9. DOI: 10.7671/j.issn.1001-411X.2004.02.002
Citation: ZHENG Chao~1,TAN Zhong-wen~2,LIU Ke-xing~3,LIAO Zong-wen~3,LIU Yue-lian~1,LIAO Yu-lang~1. Study on soil micro-organism community of sugarcane field under different mulch conditions[J]. Journal of South China Agricultural University, 2004, 25(2): 5-9. DOI: 10.7671/j.issn.1001-411X.2004.02.002

不同覆盖条件下甘蔗土壤微生物区系研究

基金项目: 九五"农业部第三批早作农业示范基地建设项目———华南赤燥干热红壤旱作农业示范基地(农计发[1999]24号),广东省科技创新百项工程———节水农业技术研究与示范(99B01001)

Study on soil micro-organism community of sugarcane field under different mulch conditions

  • 摘要: 对不同覆盖条件下甘蔗试验地土壤微生物区系研究的结果表明,不同覆盖条件为微生物提供了特殊的土壤生态环境,使土壤理化性状发生了一定变化.在甘蔗生育期,蔗叶覆盖和地膜覆盖比不覆盖土壤中好气性细菌、真菌和放线菌数量以及微生物总数有明显增加;氮素生理群中的氨化细菌和硝化细菌都有明显增加,好气性自生固氮菌数量变化不明显,厌气性细菌数量明显减少.在所有覆盖条件下,蔗叶覆盖的效果较好.
    Abstract: The results of the study on soil microflora in sugarcane experiment field under different mulching conditions showed that different mulching conditions provided a special ecological environment for microbes and changed some physical and chemical characteristics of the soil. During the period of sugarcane growth, the quantities of aerobic bacterium, fungi and actinomyces, and the total number of microbes in the soil covered by sugarcane leaf and plastic film increased more obviously than that of the soil without mulch. The quantities of ammonifiers and nitrifiers in the nitrogen physiological group increased significantly. The number variation of acrobic nitrogen-fixing bacterium was not obvious while the number of anaerobic bacterium decreased obviously. Under the mulching conditions, the effect of sugarcane leaf mulch was much better.
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出版历程
  • 修回日期:  2003-06-15
  • 刊出日期:  2004-04-09

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    ZHENG Chao~1,TAN Zhong-wen~2,LIU Ke-xing~3,LIAO Zong-wen~3,LIU Yue-lian~1,LIAO Yu-lang~1

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