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 macropore and its studying methodology.;
土壤大孔隙及其研究方法
The soil macropore could contain some preferential flow, which would lead to groundwater pollution.
土壤大孔隙可导致优先流从而引起地下水污染,植物根孔属于土壤大孔隙的一类,它在导致优先流引起的地下水污染方面有特殊的作用。
It is a key feature in the movement of water through the xylem and through the finer pores of the soil.
毛细现象是水份沿木质部和土壤空隙运输的重要特征。
Small voids and openings occur between grains of soil.
在土壤颗粒之间就有着许多微小的空隙和洞隙。
Ground water is simply water that occupies the open spaces in the soil and rock.
地下水就是那些充填了土壤和岩石空隙中的水。
Sandy soils along the coast have relatively large spaces between the sand grains.
沿海地区的砂质土壤，砂粒间的空隙也相对较大。
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
Spatiotemporal distribution pattern of soil temperature in forest gap of Pinus koraiensis-dominated broadleaved mixed forest in Xiao Xing'an Mountains
小兴安岭红松阔叶混交林林隙土壤温度的时空分布格局
Tromp the soil solidly, leaving no air pockets.
将土踩实，不要留下空隙。
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
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
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。
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。
Air, water and soil are nonliving things.
空气，水和土壤是非事物。
Study of Spatial and Temporal Variability of Top Soil Pore Characteristics of Red Soil during Rainfall;
降雨过程中典型红壤孔隙时空变化规律研究
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