秸秆添加量对土壤生物固氮速率和固氮菌群落特征的影响
李旭(
),董炜灵,宋阿琳,李艳玲,卢玉秋,王恩召,刘雄舵,王萌,范分良()
),董炜灵,宋阿琳,李艳玲,卢玉秋,王恩召,刘雄舵,王萌,范分良()
Effects of Straw Addition on Soil Biological N2-Fixation Rate and Diazotroph Community Properties
Xu LI(),WeiLing DONG,ALin SONG,YanLing LI,YuQiu LU,EnZhao WANG,XiongDuo LIU,Meng WANG,FenLiang FAN()
),WeiLing DONG,ALin SONG,YanLing LI,YuQiu LU,EnZhao WANG,XiongDuo LIU,Meng WANG,FenLiang FAN()
图1. 不同秸秆添加量土壤固氮微生物群落结构差异的PCoA分析（A）,nifH基因拷贝数（B）及其香农-威尔指数（C）,门水平下相对丰度（D）及优势功能菌属相对丰度（>1%）（E）
不同字母表示不同秸秆添加量处理差异达到显著水平（P<0.05）,*表示P<0.05
Fig. 1. Diazotroph community structure assessed by principal coordinate analysis (A), nifH gene copy number (B) and Shannon-Wiener index (C) of soil diazotroph (>1%); Relative abundance of phylum (%) (D), relative abundance (%) of most abundant genera (>1%) (E) under different straw additions
Values followed by different letters means significant differences in different straw additions (P<0.05), * Mean P<0.05
