砂岩发育的土壤主导因子是土层厚度、非毛管孔隙度和腐殖质层厚度。

The major factors of the soil developed from arenite were soil-layer depth, non-capillary porosity and humus depth.

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林地土壤抗蚀指数与其相关因子非毛管孔隙度、毛管孔隙度、稳渗率、有机质含量关系最密切。

The soil erosion resistance indexes have very close relations with non-capillary porosity, soil capillary porosity, final infiltration rate, the content of organic matter.

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芨芨草草地土壤容重较本氏针茅草地和裸地小，各层的总孔隙度和毛管孔隙度明显高于本氏针茅草地和裸地，但非毛管孔隙度较本氏针茅草地和裸地低。

Compared to Stipa Bungeana grassland and fallow ground, the volume weight was smaller, total porosity and capillary porosity were higher, but non-capillary porosity was lower.

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