吕德国;侯爽;秦嗣军;刘灵芝;马怀宇;刘国成;

• 1:沈阳农业大学园艺学院
• 2:沈阳农业大学土地与环境学院

摘要(Abstract)：

利用Biolog生态微平板法,分析了大连地区黏土、沙壤土、粗骨土3种不同质地土壤樱桃园微生物代谢活性及其功能多样性。结果表明,土壤微生物的数量、群落代谢活性、底物碳源利用数(S)、多样性指数(H)及均匀度指数(J)均为黏土>沙壤土>粗骨土,3种质地的土壤细菌碳源均以利用碳水化合物为主,而对芳香化合物和胺类化合物的利用喜好不同,其中黏土对芳香化合物的利用率相对较高,沙壤土和粗骨土对胺类化合物的利用率相对较高。说明,土壤质地可影响樱桃园的土壤微生物功能多样性,其中以黏土最丰富,沙壤土次之,粗骨土最差。3种土壤质地樱桃园的表土与根际土之间的土壤微生物群落代谢活性、土壤细菌碳源利用情况以及土壤细菌代谢功能多样性差异并不显著。由此可见,土壤质地是决定樱桃园土壤细菌群落功能多样性的主要因素。

关键词(KeyWords)： 樱桃园;土壤质地;土壤微生物;功能多样性

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(30871688、30900967);; 辽宁省教育厅项目(2008631)

作者(Author): 吕德国;侯爽;秦嗣军;刘灵芝;马怀宇;刘国成;

Email:

DOI: 10.13925/j.cnki.gsxb.2011.05.001

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