介绍了一种田间定量测定土壤渗透性的新方法——圆盘入渗仪法。
A new kind of soil infiltration measurement method in field, i. e., disc permeameter, was introduced in this paper.
须根还能有效地增强土壤渗透性，减少径流，从而达到减少土壤冲刷的目的。
Fine roots could also improve soil permeability effectively to decrease runoff and weaken soil erosion.
细颗粒泥沙的絮凝或分散对土壤渗透性、土壤可蚀性有重要作用，是水土保持研究的重要内容。
Fine sediment flocculation and deflocculation play an important role in soil penetrability and soil erodibility, and are one of the primary contents of soil and water conservation.
建立模拟降雨装置，研究降雨条件下功能性材料与聚合物对降水土壤渗透性与地表径流污染负荷的影响。
The researches on decreasing the pollution loads in rainfall runoff with PAM and functional materials of zeolite to improve the soil was accomplished using the simulated set.
格田面积受限于地面高度的变化、现有水量均匀覆盖于渗透性土壤的面积大小及耕作因素。
The area of a basin may be limited by elevation changes, by the size that can be covered uniformly by the available water supply on permeable soils, or by cropping factors.
田间土壤的容重常在1.0到1.4克；立方厘米范围内，且具有均匀的孔隙度和渗透性。
Field soils often have bulk densities ranging from 1.0 to 1.4gcc; with commensurate porosities and infiltration characteristics.
有效的压实可以显著改善土壤的承载能力，提高不渗透性。
Effective compaction can improve the bearing capacity of the soil, improve not permeability.
格田里的水可以完全渗入土壤，或对一些渗透性较差的土壤，在保持一段特定的时间后，把多余的水排到较低的格田里。
The water in the basin may be allowed to completely infiltrate or, in some low permeability soils, the excess may be drained onto a lower basin after a specified time.
分析结果表明，排土场土壤质地差、无任何结构、渗透性差、土壤坚实、有效水分及营养元素含量低。
The results show that the soil quality is poor, with low effective moisture and nutritional elements, without no structure.
试验结果指出：(1)压实度较小、渗透性较佳之土壤，因地下水渗透，在坡脚产生瞬间坍方。
The test results show that: (1) For low degree of compaction and moderate permeability of soil, sudden-ly landslides will occur at toe of slope due to the seepage of groundwater.
旧轮胎改造的互锁的橡胶地板覆盖了所有的娱乐区域，这种互锁系统维持土壤的渗透性。
Interlocked rubber floor from old tyres covers all the recreational areas. that interlock system maintains the soil pearmeable.
本文介绍本院野外试验场包气带土壤结构和渗透性参数实验分析的主要方法及其结果。
Measurement of soil grain and pore size distribution, observation of soil microstructure and permeability test are used to study soil structure and permeability.
本文介绍本院野外试验场包气带土壤结构和渗透性参数实验分析的主要方法及其结果。
Measurement of soil grain and pore size distribution, observation of soil microstructure and permeability test are used to study soil structure and permeability.
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