Soil moisture curve is elementary curve that shows the relation between potential energy and the content of water soil and analyses retaining and transporting in soil water belt.
土壤水分特征曲线是表征土壤中水的含量与势能之间的关系，是研究包气带土壤水分的保持和运移所用到的基本特性曲线。
There exists a multi linearship between the stem sap flow velocity and the soil moisture, soil water potential.
油松树干液流速率与土壤容积含水量和土壤水势呈明显线性相关关系。
When soil moisture contents were above 9.5%, there was no apparent change in leaf water potential with a drop in soil moisture contents.
当土壤含水量在9.5％以上时，随土壤含水量的下降叶水势变化不明显。
Sometime the matrix potential of soil water, moisture capacity and the total content of salt capacity in the soil have the same trends of change with depth.
在包气带剖面中，在某时刻水土势、含水量、含盐量随深度变化的趋势相同。
When soil moisture contents were below 9.5%, leaf water potential dropped rapidly with a decrease in soil moisture contents.
当土壤含水量在9.5%以上时，随土壤含水量的下降叶水势变化不明显。
When soil moisture contents were below 9.5%, leaf water potential dropped rapidly with a decrease in soil moisture contents.
当土壤含水量在9.5%以上时，随土壤含水量的下降叶水势变化不明显。
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