2.6. Statistical analyses
Statistical evaluation of the data sets was performed on SPSS version
20.0 (SPSS Inc., Chicago, USA). Significant differences between treatments
at different times of incubation were tested using the one-way
analysis of variance (ANOVA). The principle component analysis (PCA)
was performed to evaluate the difference in microbial community
change of soil PLFAs. The statistically significant level was set to 0.05.