The correlations between seedling height, diameter at base, main root length, lateral root number and root range were analysed according to statistical principles.
根据统计学原理对一年生苗木苗高、地径、主根长、侧根数、根幅的测量数据进行了相关性分析。
2
In control group, there is no statistical difference in terms of the mean vessel density and diameter of port wine stain between 8 weeks after and before the first treatment.