Effects of PAM application rate and method on saturated hydraulic conductivity were studied in laboratory through a soil column leaching experiment.
通过室内土柱淋洗试验,研究了PAM施用量和施用方式对不同碱度土壤饱和水力传导度的影响。
Soil hydraulic conductivity is closely related to the movement of water and salts in soil profiles and is highly affected by solution salt concentration and its composition.
水力传导度的变化直接影响土壤剖面的水盐运动,并和土壤溶液的盐分浓度及其组成有很大关系。
Sensitivity analysis of model parameters showed: Saturated hydraulic conductivity is the most sensitive factor for two soil groups, and saturated water content takes second place.
对模型参数的敏感性分析表明:饱和水力传导度是最敏感的参数,饱和含水量的敏感性次之。
The effect of irrigation water quality on unsaturated hydraulic conductivity (k) of undisturbed soil and its mechanism were studied.
本文研究了灌溉水质对田间原状土壤非饱和导水率的影响及其机理。
In this paper, the concept and the method of scaling are described, and some examples of scaling of soil water characteristic curve and unsaturated hydraulic conductivity are given.
本文简述了标定的原理、田间土壤水分特征曲线和非饱和导水率的标定方法,还给出了水分运动参数标定的实例。
The crust method was used to study the unsaturated hydraulic conductivity of three kinds of seashore saline soil.
采用结壳法对三种滨海盐渍土的非饱和导水率进行了研究。
The saturated hydraulic conductivity of undisturbed soil can represent the really case in the field and is significant to study soil moisture balance and soil water conservation.
原状土的饱和导水率能反映田间的实际情况,对研究土壤水分平衡和水土保持有极其重要的意义。
The paper introduces seven factor of DRASTIC model: Depth of water table, Net recharge, Aquifer media, Soil media, Topography, Impact of Vadose Zone and Hydraulic Conductivity.
前言:介绍了DR AST IC模型的七个评价因子:地下水埋深、含水层净补给量、含水层介质类型、土壤类型、地形坡度、包气带介质i的影响和含水层的导水系数。
The soil saturated hydraulic conductivity in different vegetation degeneration type and its influential factors in southwest karst region of China were studied.
通过对西南喀斯特地区典型土壤的饱和导水率的分析,研究了喀斯特地区不同植被退化类型下土壤的饱和导水率及其影响因素。
Effects of different tillage methods on saturated hydraulic conductivity and compactiveness of the surface soil;
研究了不同耕作方式对土壤物理特性、水分状况、甘蔗苗期生长的影响 。
Effects of different tillage methods on saturated hydraulic conductivity and compactiveness of the surface soil;
研究了不同耕作方式对土壤物理特性、水分状况、甘蔗苗期生长的影响 。
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