Droughtpractice sharply decreased critical saturation deficiency and plant humidity needed (PHN) which made the plant water content improved under the condition of the same soil moisture.
干旱锻炼能明显降低临界饱和亏和植株需水度，使植株含水量在相同的土壤水分条件下得到改善。
Internal friction Angle has a strong nonlinear relation with moisture state related saturation and a weak nonlinear relation with density state related saturation respectively.
内摩擦角和与水分状态相关的饱和度的关系是强非线性的，和与密度状态相关的饱和度的关系是弱非线性的。
There are two patterns of varying process of saturation, one is related with variation of moisture state, other is related with density state.
存在因应水分状态变化和因应密度状态变化的两类饱和度变化过程。
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