But root pressure is not nearly great enough to push water to the tops of tall trees.
但根压完全不足以将水推到树顶。
The positive xylem pressure, often occurs with low transpiration rate, is termed as root pressure.
在植物弱蒸腾情况下，木质部的水分处于正压状态，这种压力叫根压。
At night, the ascent of SAP flow could be observed in the above main tree species owning to the existence of root pressure.
夜间，胡杨同样存在明显的树干液流现象，这主要是由根压引起的。
At night, the ascent of SAP flow could be observed in the above main tree species owning to the existence of root pressure.
夜间，胡杨同样存在明显的树干液流现象，这主要是由根压引起的。
应用推荐