%0 Journal Article
%T Effects of different fertilization and plastic-mulching on functional diversity of soil microbial community<br>不同施肥处理与地膜覆盖对土壤微生物群落功能多样性的影响
%A HOU Xiao-Jie
%A WANG Jing-Kuan
%A LI Shi-Peng
%A <br>侯晓杰
%A 汪景宽
%A 李世朋
%J 生态学报
%D 2007
%I 
%X Soil managements such as fertilization and plastic-film mulching can affect soil quality,whilst biology diversity is a sensitive indicator of it.The paper deals with the effect of long-term fertilization and mulching on the functional diversity of soil microbial community using Biolog technique.The main results showed that the reasonable fertilization in uncovered soil could increase the utilization ability of communities for carbon(AWCD) and improve the functional diversity(Shannon Index).There was a remarkable reciprocation between plastic-film mulching and fertilization,which led to the decreases of utilization rate for carbon sources and richness of microbe and the changes of its evenness.Principal component analysis(PCA) and cluster analyses of substrate reactions were analyzed after 48h of incubation.The results indicated that there were different carbon substrate utilization patterns among different treatments and plastic-film mulching increased the variance.Carbohydrates and Amino acids were the main carbon resources of microbe utilization and mainly affected by pH and available K in soil.Organic carbon,available N and C/N in soil also had a closed relationship to the microbial functional diversity.
%K fertilization
%K film mulching
%K community functional diversity
%K carbon source<br>施肥
%K 地膜覆盖
%K 群落功能多样性
%K 碳源
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=FE163E5DB2274E5937319DE98913EC37&aid=8EABC53F8DE4FFC4&yid=A732AF04DDA03BB3&vid=DB817633AA4F79B9&iid=0B39A22176CE99FB&sid=6C1478E0C21F2E74&eid=3E9A3E85890C15896B70D513E712F673&journal_id=1000-0933&journal_name=生态学报&referenced_num=14&reference_num=30