%0 Journal Article
%T Effects of rice-straw returning to the field on the metabolic diversity of soil microbial communities<br>稻草还田对土壤微生物群落功能多样性的影响
%A ZHOU Wenxin
%A CHEN Donglin
%A BU Yujian
%A TU Naimei
%A <br>周文新
%A 陈冬林
%A 卜毓坚
%A 屠乃美
%J 环境科学学报
%D 2008
%I 
%X To evaluate the effects of returning rice-straw to the field on the soil microbial community, the soil microbial communities under three proportions of rice-straw returning to the field (T1: 33%; T2: 67%; T3:100%; CK: 0) were measured. Bacterial amount and metabolic diversity (BIOLOG) assays were performed and significant differences were found in bacterial amount among the three treatments. The two indicators were the highest in T2, and lowest in CK. In the BIOLOGassays, average well colour development (AWCD) and the indices of richness and diversity indicated differences of microbial metabolic diversity. The indices were significantly higher in the soils of T2 and T3 than in CK, suggesting that the ability to utilize carbon sources and the functional diversity were greater in these soils than in T1 and CK. Altogether, bacterial amount and metabolic diversity patterns in soil T2 were dominant, and returning rice-straw to the field improves the structure and function of soil microbial community, especially at a 67% proportion.
%K soil microbial community
%K metabolic diversity patterns
%K BIOLOG
%K returning application of rice-straw<br>土壤微生物群落
%K 代谢多样性类型
%K BIOLOG检测法
%K 稻草还田
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=03A55E61A8750ACAC6AF81EF9E2AC838&aid=9320E47E53821E107BB36E1942AFE0A3&yid=67289AFF6305E306&vid=D3E34374A0D77D7F&iid=0B39A22176CE99FB&sid=377D325742940769&eid=6C069F4B248105A5&journal_id=0253-2468&journal_name=环境科学学报&referenced_num=0&reference_num=27