长期施肥条件下菜田土壤微生物特征变化

生态学杂志

长期施肥条件下菜田土壤微生物特征变化

张恩平;高巍;张淑红;李天来

沈阳农业大学园艺学院，沈阳 110161

收稿日期:2008-10-17 修回日期:1900-01-01 出版日期:2009-07-10 发布日期:2009-07-10

Effects of long-term fertilization on vegetable field soil microbial characteristics.

ZHANG En-ping;GAO Wei;ZHANG Shu-hong;LI Tian-lai

Department of Horticulture, Shenyang Agricultural University, Shenyang 110161, China

Received:2008-10-17 Revised:1900-01-01 Online:2009-07-10 Published:2009-07-10

摘要/Abstract

摘要： 对蔬菜地长期施肥土壤的8个主要处理进行了分析，探求不同培肥方式对土壤微生物生态特征的影响。结果表明：有机无机肥配施较单施无机肥可显著增加土壤细菌和放线菌的数量，提高土壤真菌的多样性;有机肥和低浓度氮肥配施处理的土壤细菌数量、真菌群落的多样性和均匀性显著高于其他处理;单施高浓度的氮肥显著降低土壤细菌的数量，真菌群落的多样性和均匀性也明显低于对照。

关键词: 红壤, 酶活性, 相关分析, 聚类分析

Abstract: Soil samples were collected from a long-term fertilized vegetable field to study the effects of different fertilization treatments on the ecological characteristics of soil microbes. Comparing with applying inorganic fertilizers alone, a combined application of organic manure and inorganic fertilizers increased the amounts of soil bacteria and actinomycetes significantly, and enhanced the fungal diversity. The amount of soil bacteria and the diversity and evenness of soil fungi were significantly higher in treatment organic manure plus low level nitrogen than in other treatments. Applying high level nitrogen alone decreased the amount of bacteria significantly, and the diversity and evenness of soil fungi were obviously lower than the control.

Key words: Red soil, Enzyme activity, Correlation analysis, Cluster analysis

张恩平;高巍;张淑红;李天来. 长期施肥条件下菜田土壤微生物特征变化[J]. 生态学杂志.

ZHANG En-ping;GAO Wei;ZHANG Shu-hong;LI Tian-lai . Effects of long-term fertilization on vegetable field soil microbial characteristics.[J]. cje.

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