The results indicate that the number of the bacteria, epiphyte and actinomycetes in rooting zone are more than those in non-rooting zone, and the means of R/S are respectively 70.3, 9.5, 2.9.

• 根际细菌、真菌和放线菌的数量均比非根际多，R/S平均值分别为70.；3、9