铵态氮水平运移的浓度受非饱和土壤水扩散率的影响，并随非饱和土壤水扩散率的升高而呈幂函数曲线下降。
The concentration of ammonium nitrogen in horizontal migration decreased with the increase in unsaturated soil water diffusivity in power function.
本文以我国北方平原的土壤次生盐化为背景，对土壤中饱和—非饱和水的水—热—盐一维运动模型进行了数值模拟。
With the background of soil salinity in the plain of North China, a water-heat-salt movement of soil water in unsaturated-saturated region is studied by numerical simulation.
该模式不仅能够反映可变初始土壤含水量对入渗的影响，而且能够进行饱和与非饱和入渗的连续过程计算。
The formula can reflect the affect of variance of initial soil moisture and evaluate the continuous process of saturated and unsaturated.
该模式不仅能够反映可变初始土壤含水量对入渗的影响，而且能够进行饱和与非饱和入渗的连续过程计算。
The formula can reflect the affect of variance of initial soil moisture and evaluate the continuous process of saturated and unsaturated.
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