This study based on the observation in the environment and soil profiles which related with developed soil crevice,and using such means as chemical analysis,X-ray diffraction pattern and micromorphology.
根据金沙江干热河谷元谋地区红土层非常发育的裂隙现象,对该地区典型区土壤裂隙形成的环境和土壤剖面进行了调查,并采样进行相关土壤理化性质测定、粘土矿物X-射线衍射分析以及土壤微形态研究。
The results showed that:(1)The soil water infiltration rates in layer A were higher than those in layer B for all kinds of vegetation,which were remarkably related to soil porosity.
结果表明:(1)各森林植被类型林地A层土壤渗透速率和孔隙度均高于B层,土壤渗透速率与土壤孔隙度之间存在显著相关关系。
Soil cracking is a complicated process, which has great influence on soil properties, vegetation growth and soil solute transportation.
本文介绍了目前国际上土壤裂缝的表征指标体系及指标测定方法,并讨论分析了裂缝与土壤属性、裂缝发育与植被生长、裂缝形成与土壤入渗和溶质运输等方面的最新国际研究进展,在此基础上,对我国今后的土壤裂缝研究工作的方向和重点提出了建议。
Design and Realization for Network Model Reconstruction of Soil Pore
土壤孔隙网络模型的程序设计与实现
We may have too large an internal surface area where the particles are too fine and the pore space may be filled up. Pore space depends on the size and arrangement of the particles.
如果土粒太小，土壤内表面积就会过大，致使土壤孔隙被阻塞。孔隙取决于土粒的大小与排列。
Network Model Reconstruction of Soil Pore Based on the Serial Digital Images
基于序列图像的土壤孔隙网络模型构建
Fractal Character of Soil Void in Artificial Chinese Prickly Ash Forest in Eastern Guanzhong Area
关中东部人工花椒林土壤孔隙的分形特征
"Some soils lack porosity, so that they' re hard to cultivate, slow to absorb water, and inclined to puddle. "
有的土壤孔隙少，所以耕作起来很费劲，吸收水分也慢，而且容易粘闭。
The Laboratorial Study and Academic Mathematics Model of a New Pore Water Pressure Instrument;
土壤孔隙水压力检测系统试验研究及关系模型建立
Comparative Study on Predicting Porosity by Different Roughness Indices
不同粗糙度尺度下预测表层土壤孔隙率量化指数比较研究
Comparative Study on the Soil Water Retention Curve between Macroporous Soil and Homogeneous Soil
大孔隙土壤与均质土壤水分特征曲线比较研究
The total porosity and the aerate porosity decrease after the rain while the faster available porosity and the slow available porosity increase .
降雨后土壤的总孔隙度下降，通气孔隙下降较明显，同时速效孔隙和迟效孔隙增多。
Gums and mucilages can reduce the size of some of the soli pores.
细菌胶和粘胶会使某些土壤的孔隙减
Aeration porosity is more sensitive than total and capillary porosity to reflect soil compaction degree.
与总孔隙度和毛管孔隙度相比,通气孔隙度在反映土壤压实时更为敏感。
The compression of the soil under the applied stresses would force some water out of the voids.
施加压力压缩土壤会使一些水从孔隙中排出。
Study on mechanism of water and solute transport in soil with macropores;
水及溶质在有大孔隙的土壤中运移机制研究
Effects of Soil Cornstalk Fertilization on Nutrient Leaching in Soil Macrospore Flow;
秸秆培肥土壤对大孔隙流中养分淋失的影响
Long-term Tillage Effects on Pore Size Distribution within Soil Aggregates
不同粒径土壤团聚体中孔隙分布特征的影响
The Effect of the Infiltration Characteristics Under the Different Macropores' Depth in the soil
不同大孔隙深度对土壤水分入渗特性的影响
Present Research Situation and Developing Trend for the Soil Macropore Flow Experiments and Model
土壤大孔隙流试验和模型研究现状与发展趋势
Study on spatial-temporal changes of soil bulk density and soil porosity of alpine meadow in Tianzhu
天祝高寒草甸土壤容重与孔隙度时空变化研究