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秸秆覆盖免耕对土壤细菌群落区系的影响

Bacterial Community Structure in Straw Mulch No-tillage Soils

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【Author】 GAO Yun\|chao\+1,ZHU Wen\|shan\+2,CHEN Wen\|xin\+2(1.Institute of Biotechnology, Guangdong Academy of Agricultural Sciences, Guangzhou 510640 2.Department of Microbiology, China Agricultural University, Beijing 100094)

【机构】广东省农业科学院生物技术研究所!广东广州510640；中国农业大学微生物系!北京100094；

【摘要】多年连续秸秆覆盖免耕对土壤细菌群落影响很大 ,免耕可提高 0～ 10cm土层土壤细菌总数、放线菌数、棒状细菌数和贫营养细菌数量 ,特别是免耕土壤能使芽孢杆菌数量增多几倍。更多还原

【Abstract】 After continuous two\|crop winter wheat and summer corn rotation with no\|tillage for many years, the counts of the total bacteria, bacillus spores, fluorescent pseudomonads, coryneform, actinomyces, oligotrophic bacteria was significantly higher than that in conventional tillage and direct drilling The bacillus spores was increased for many times in no\|tillage 0～10 cm soil depth compared to conventional tillage and direct drilling更多还原

【关键词】秸秆覆盖；免耕；细菌群落；
【Key words】 straw mulch； no\|tillage； bacterial community；

【文献出处】生态科学 ,ECOLOGIC SCIENCE , 编辑部邮箱 ,2000年03期

【分类号】S154.3
【被引频次】146
【下载频次】387

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