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.
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.
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.
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