根水势变化趋势与叶水势相反。
该模型除能预报根系吸水的一些水分动态和水势动态外，还能预报有效根密度的时空变化。
The model can predict not only the soil water dynamic profiles and the soil water potential profiles, but the changes of the effective root density with depth and time.
苗木根系水势和根生长潜力回归极显著，是苗木质量评价重要的生理指标和活力指标。
Root water potential and root growth potential had strongly correlated, and should be considered as the main indicators for physiological and vigor.
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